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Vaisala HUMICAP HMT330 SERIES User Manual - Inputs and Outputs
User's Guide ______________________________________________________________________
170 _________________________________________________________________ M210566EN-J
Inputs and Outputs
Operating voltage
10 ... 35 VDC, 24 VAC
with optional power supply module
100 ... 240 VAC, 50/60 Hz
Start-up time after power-up
3 s
Power consumption at 20 °C (Uin 24VDC)
RS-232
max 25 mA
Uout 2 × 0 ... 1V / 0 ... 5V / 0 ... 10V
max 25 mA
Iout 2 × 0 ... 20 mA
max 60 mA
display and backlight
+ 20 mA
during sensor purge
+ 110 mA max
Analog outputs (2 standard, 3rd optional)
current output
0 ... 20 mA, 4 ... 20 mA
voltage output
0 ... 1 V, 0 ... 5 V, 0 ... 10 V
Accuracy of analog outputs at 20 °C
± 0.05 % full scale
Temperature dependence of the analog outputs
± 0.005 %/°C full scale
External loads
current outputs
RL
0 ... 1V output
RL > 2 kohm
0 ... 5V and 0 ... 10V outputs
RL > 10 kohm
Max wire size
0.5 mm2 (AWG 20)
stranded wires recommended
Digital outputs
RS-232
RS-422/485
(optional)
LAN
(optional)
WLAN
(optional)
Protocols
ASCII commands
MODBUS
RTU
MODBUS
TCP
Relay outputs (optional)
0.5 A, 250 VAC, SPDT
Display (optional)
LCD with backlight, graphic
trend display
Menu languages
Chinese, English, Finnish,
French, German, Japanese,
Russian, Spanish, Swedish
Mechanics
Cable bushing
M20x1.5 for cable diameter
8 ... 11mm/0.31..0.43"
Conduit fitting
1/2"NPT
User cable connector (optional)
M12 series 8- pin (male)
option 1
with plug (female) with 5 m /
16.4 ft black cable
option 2
with plug (female) with screw
terminals
Probe cable diameter
HMT333
80ºC
6.0
mm
Other
probes
5.5
mm
Probe cable lengths
2 m, 5 m or 10 m
Probe tube material
HMT331
Chromed ABS plastic
Other probes
AISI 316L
Housing material
G-AlSi 10 Mg (DIN 1725)
Housing classification
IP 65 (NEMA 4)
Summary of HUMICAP HMT330 SERIES
Page 1
User's guide vaisala humicap® humidity and temperature transmitter series hmt330 m210566en-j.
Page 2
Published by vaisala oyj phone (int.): +358 9 8949 1 p.O. Box 26 fax: +358 9 8949 2227 fi-00421 helsinki finland visit our internet pages at http://www.Vaisala.Com/ © vaisala 2011 no part of this manual may be reproduced in any form or by any means, electronic or mechanical (including photocopying),...
Page 3: Table of Contents
________________________________________________________________________________ vaisala ________________________________________________________________________ 1 table of contents chapter 1 general information .......................................................................... 11 about this...
Page 4
User's guide ______________________________________________________________________ 2 ___________________________________________________________________ m210566en-j hmt334 for high pressure and vacuum applications........43 hmt335 for high temperatures..........................................45 hm...
Page 5
________________________________________________________________________________ vaisala ________________________________________________________________________ 3 web configuration for lan and wlan............................... 89 terminal program settings ............................................
Page 6
User's guide ______________________________________________________________________ 4 ___________________________________________________________________ m210566en-j deleting the recorded files ..............................................118 undelete ..................................................
Page 7
________________________________________________________________________________ vaisala ________________________________________________________________________ 5 chapter 6 maintenance ......................................................................................... 149 periodic maintenance...
Page 8
User's guide ______________________________________________________________________ 6 ___________________________________________________________________ m210566en-j transmitter weight .......................................................171 technical specifications of optional modules...............
Page 9: List of Figures
________________________________________________________________________________ vaisala ________________________________________________________________________ 7 list of figures figure 1 transmitter body ...................................................................... 21 figure 2 inside the ...
Page 10
User's guide ______________________________________________________________________ 8 ___________________________________________________________________ m210566en-j figure 53 network interface menu ...........................................................84 figure 54 ip configuration menu...........
Page 11: List of Tables
________________________________________________________________________________ vaisala ________________________________________________________________________ 9 list of tables table 1 manual revisions ..................................................................... 12 table 2 application, lo...
Page 12
User's guide ______________________________________________________________________ 10 __________________________________________________________________ m210566en-j this page intentionally left blank..
Page 13: General Information
Chapter 1 ________________________________________________________ general information vaisala _______________________________________________________________________ 11 chapter 1 general information this chapter provides general notes for the manual and the product. About this manual this manual pr...
Page 14: Version Information
User's guide ______________________________________________________________________ 12 __________________________________________________________________ m210566en-j - appendix b, calculation formulas, presents the equations used in hmt330 to calculate values of dewpoint, mixing ratio, absolute humi...
Page 15: Safety
Chapter 1 ________________________________________________________ general information vaisala _______________________________________________________________________ 13 safety the vaisala humicap® humidity and temperature transmitter series hmt330 delivered to you has been tested for safety and app...
Page 16: Recycling
User's guide ______________________________________________________________________ 14 __________________________________________________________________ m210566en-j recycling recycle all applicable material. Dispose of batteries and the unit according to statutory regulations. Do not dispose of wit...
Page 17: Dnv Type Approval
Chapter 1 ________________________________________________________ general information vaisala _______________________________________________________________________ 15 dnv type approval the vaisala humicap® humidity and temperature transmitter series hmt330 is found to comply with det norske verit...
Page 18: Patent Notice
User's guide ______________________________________________________________________ 16 __________________________________________________________________ m210566en-j the user is encouraged to try to correct the interference by one or more of the following measures: - reorient or relocate the receivi...
Page 19: License Agreement
Chapter 1 ________________________________________________________ general information vaisala _______________________________________________________________________ 17 license agreement all rights to any software are held by vaisala or third parties. The customer is allowed to use the software onl...
Page 20
User's guide ______________________________________________________________________ 18 __________________________________________________________________ m210566en-j this page intentionally left blank..
Page 21: Product Overview
Chapter 2 __________________________________________________________ product overview vaisala _______________________________________________________________________ 19 chapter 2 product overview this chapter introduces the features, advantages, and the product nomenclature of the vaisala humicap® h...
Page 22: Basic Features and Options
User's guide ______________________________________________________________________ 20 __________________________________________________________________ m210566en-j basic features and options - several probes for various applications - user-friendly display - calculated output quantities available ...
Page 23: Structure of The Transmitter
Chapter 2 __________________________________________________________ product overview vaisala _______________________________________________________________________ 21 structure of the transmitter 1104-001 figure 1 transmitter body the following numbers refer to figure 1 above: 1 = signal + powerin...
Page 24
User's guide ______________________________________________________________________ 22 __________________________________________________________________ m210566en-j 0508-010 figure 2 inside the transmitter the following numbers refer to figure 2 above: 1 = service port (rs-232) 2 = dip switches for...
Page 25: Probe Options
Chapter 2 __________________________________________________________ product overview vaisala _______________________________________________________________________ 23 probe options the hmt331 is intended for demanding wall-mounted applications. The standard version has a fixed probe. 1102-025 figu...
Page 26
User's guide ______________________________________________________________________ 24 __________________________________________________________________ m210566en-j 0911-066 figure 5 probe options the following numbers refer to figure 5: 1 = hmt333 for ducts and tight spaces 2 = hmt334 for high pre...
Page 27: Warmed Probe Hmt337
Chapter 2 __________________________________________________________ product overview vaisala _______________________________________________________________________ 25 warmed probe hmt337 temperature difference between the probe and external environment can cause a risk of condensation on the senso...
Page 28
User's guide ______________________________________________________________________ 26 __________________________________________________________________ m210566en-j this page intentionally left blank..
Page 29: Installation
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 27 chapter 3 installation this chapter provides you with information that is intended to help you install the product. Mounting the h...
Page 30
User's guide ______________________________________________________________________ 28 __________________________________________________________________ m210566en-j wall mounting with wall mounting kit when mounting with wall mounting kit the mounting plate (vaisala order code 214829) can be instal...
Page 31
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 29 the hmt331 short cable probe is designed to be wall mounted with the probe holder plate (vaisala order code 226252). The probe hol...
Page 32: Pole Or Pipeline
User's guide ______________________________________________________________________ 30 __________________________________________________________________ m210566en-j mounting with din rail installation kit din rail installation kit includes a wall mounting kit, 2 clip-fasteners and 2 screws m4 × 10 ...
Page 33
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 31 0503-007 figure 12 horizontal pole the following number refers to figure 12 above: 1 = mounting nuts m8 (4 pcs) metal mounting pla...
Page 34
User's guide ______________________________________________________________________ 32 __________________________________________________________________ m210566en-j 0509-151 figure 14 dimensions of the metal mounting plate (mm/inch) mounting rain shield with installation kit 0503-008 figure 15 moun...
Page 35: Panel Mounting Frame
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 33 panel mounting frame to enable a neat and dirt free embedded installation of the transmitter, a panel mounting frame is available ...
Page 36: Wiring
User's guide ______________________________________________________________________ 34 __________________________________________________________________ m210566en-j 0804-083 figure 17 panel mounting dimensions (mm/inch) wiring cable bushings a single electrical cable with screen and three to ten wi...
Page 37: Note
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 35 note when there is high electric noise level (for example, near a powerful electric motor) in the operating environment it is reco...
Page 38
User's guide ______________________________________________________________________ 36 __________________________________________________________________ m210566en-j refer to figure 19 on page 35 when performing the procedure below. 1. Cut back outer sheath to desired length. 2. Cut back screen brai...
Page 39: Warning
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 37 signal and power supply wiring when connecting the transmitter with 8-pin connector, see section 8-pin connector on page 67. When ...
Page 40: Caution
User's guide ______________________________________________________________________ 38 __________________________________________________________________ m210566en-j 5. Connect the power supply wires to the connectors: power 10 ... 35v+ 24v~ (+) and (-) terminals. If you are using 24 vac power suppl...
Page 41
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 39 0703-041 figure 21 connections to 24 vac power supply.
Page 42: Probe Mounting
User's guide ______________________________________________________________________ 40 __________________________________________________________________ m210566en-j probe mounting in humidity measurement and especially in calibration it is essential that temperature of the probe and measuring envir...
Page 43: Cable
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 41 general instructions for probes with a cable mount the probes with a cable horizontally ; this way, any water condensing on the tu...
Page 44: Note
User's guide ______________________________________________________________________ 42 __________________________________________________________________ m210566en-j when there is no alternative but to install the probe in the process vertically, the point of entry must be carefully insulated. The c...
Page 45: Applications
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 43 hmt333 for ducts and tight spaces the hmt333 is a small size (ø = 12mm) general-purpose probe suitable for ducts and channels with...
Page 46: Note
User's guide ______________________________________________________________________ 44 __________________________________________________________________ m210566en-j 0506-029 figure 25 hmt344 probe the following numbers refer to figure 25 above: 1 = tightening cone 2 = nut 3 = fitting screw, m22x1.5...
Page 47: Caution
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 45 0503-033 figure 27 cleaning of tightening cone the following numbers refer to figure 27 above: 1 = fitting screw 2 = sealing washe...
Page 48: Temperature Probe (Optional)
User's guide ______________________________________________________________________ 46 __________________________________________________________________ m210566en-j hmt337 for high humidity applications the hmt337 is for environment where relative humidity is very high, near saturation. The warmed ...
Page 49
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 47 0508-077 figure 28 hmt338 probe the following numbers refer to figure 28 above: 1 = clasp nut, 24 mm hex nut 2 = fitting body, 27 ...
Page 50: Tightening The Clasp Nut
User's guide ______________________________________________________________________ 48 __________________________________________________________________ m210566en-j tightening the clasp nut 1. Adjust the probe to a suitable depth according to the type of installation. 2. Tighten the clasp nut first...
Page 51: Note
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 49 note when installed in a process with a pressure differing from normal atmospheric pressure, please enter the pressure value of th...
Page 52: Installation
User's guide ______________________________________________________________________ 50 __________________________________________________________________ m210566en-j installation 1. Disconnect the power and open the transmitter cover. 2. Remove the protective plug from the cable gland and thread the...
Page 53: Warnings
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 51 warnings dieses produkt entspricht der niederspannungsrichtlinie (2006/95/ewg). - das netzmodul darf nur von einem dazu befugten e...
Page 54
User's guide ______________________________________________________________________ 52 __________________________________________________________________ m210566en-j dette produkt er i overensstemmelse med direktivet om lavspænding (2006/95/eØs). - netstrømskoblingen til må kun tilsluttes strømforsy...
Page 55
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 53 Šis produktas atitinka direktyv ą d ė l žemos į tampos prietais ų (2006/95/eb). - elektros tinkl ą su energijos tiekimo moduliu su...
Page 56: Note
User's guide ______________________________________________________________________ 54 __________________________________________________________________ m210566en-j galvanic isolation for output if galvanic isolation of the power supply line from the output signals is needed, hmt330 can be ordered ...
Page 57: Installation and Wiring
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 55 installation and wiring 1. Disconnect the power. In case the analog output module is installed in the factory, continue with the s...
Page 58: Relays
User's guide ______________________________________________________________________ 56 __________________________________________________________________ m210566en-j relays hmt330 can be equipped with one or two configurable relay modules. Each module contains two configurable relays. See the contac...
Page 59: Warning
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 57 0503-037 figure 35 relay module the following numbers refer to figure 35 above: 1 = indication led for the relay 1 or 3 2 = relay ...
Page 60: Note
User's guide ______________________________________________________________________ 58 __________________________________________________________________ m210566en-j note rs-232 user port on hmt330 main board cannot be used and connected when rs-485 module is connected. Service port is operating nor...
Page 61: Note
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 59 5. Connect the twisted pair wires (1 or 2 pairs) to the screw terminals as presented in table 6 below: table 6 connecting the twis...
Page 62
User's guide ______________________________________________________________________ 60 __________________________________________________________________ m210566en-j stub termination termination termination termination junction box junction box junction box twisted pair 120r 120r 120r 120r twisted p...
Page 63
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 61 termination termination junction box junction box junction box 120r d0- d1+ common switch term off term off 2/4 wire off rs422 off...
Page 64: Lan Interface
User's guide ______________________________________________________________________ 62 __________________________________________________________________ m210566en-j lan interface the optional lan interface enables an ethernet connection to the transmitter. The user can establish a virtual terminal ...
Page 65: Wlan Interface
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 63 0709-003 figure 39 lan interface module the following numbers refer to figure 39 above: 1 = flat cable connector 2 = rj45 connecto...
Page 66: Caution
User's guide ______________________________________________________________________ 64 __________________________________________________________________ m210566en-j caution the wlan interface is designed to be used in trusted network environments (trusted corporate lan or vpn-based connection over ...
Page 67: Data Logger Module
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 65 data logger module the optional data logger module extends the data storage for the measurement data. When the data logger is pres...
Page 68
User's guide ______________________________________________________________________ 66 __________________________________________________________________ m210566en-j serial port. The timestamps in the data logger's memory remain as they were originally stored. You can compensate for the clock drift ...
Page 69: 8-Pin Connector
Chapter 3 _______________________________________________________________ installation vaisala _______________________________________________________________________ 67 8-pin connector 1104-126 figure 42 pinout of the optional 8-pin connector table 10 wiring of the optional 8-pin connector serial s...
Page 70
User's guide ______________________________________________________________________ 68 __________________________________________________________________ m210566en-j this page intentionally left blank..
Page 71: Operation
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 69 chapter 4 operation this chapter contains information that is needed to operate this product. Getting started within a few seconds a...
Page 72: Note
User's guide ______________________________________________________________________ 70 __________________________________________________________________ m210566en-j 0705-209 figure 43 basic display the following numbers refer to figure 43 above: 1 = info shortcut button; see section device informat...
Page 73
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 71 table 11 periods for trend and max/min calculations observation period period for trend/max/min calculations (resolution) 20 minutes...
Page 74: Menus and Navigation
User's guide ______________________________________________________________________ 72 __________________________________________________________________ m210566en-j table 12 graph information messages in cursor mode message interpretation power outage power failure (marked also with dashed vertical...
Page 75: Changing The Language
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 73 some menu items, such as purge in the measuring menu, are only shown if supported by the transmitter and the installed options. Chan...
Page 76: Display Contrast Setting
User's guide ______________________________________________________________________ 74 __________________________________________________________________ m210566en-j display contrast setting display contrast is automatically adjusted based on the ambient temperature. However, depending on the instal...
Page 77: Note
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 75 note you can also disable the keypad completely with serial command lock . See section locking menu/keypad using serial line on page...
Page 78: Configuring A Display Alarm
User's guide ______________________________________________________________________ 76 __________________________________________________________________ m210566en-j 1102-012 figure 47 alarm limits shown on graph screen when an alarm is activated, an alarm note is displayed on the display, and the l...
Page 79: Note
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 77 0802-069 figure 49 display alarms 3. Use the arrow keys to select an alarm to configure. The alarm editing page opens. Note changes ...
Page 80
User's guide ______________________________________________________________________ 78 __________________________________________________________________ m210566en-j mi70 link program for data handling the real-time window function of the mi70 link program allows you to monitor transmitter readings ...
Page 81: Serial Line Communication
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 79 serial line communication connect the serial interface by using either the user port or the service port. For permanent interfacing ...
Page 82: User Port Connection
User's guide ______________________________________________________________________ 80 __________________________________________________________________ m210566en-j user port connection use a suitable serial cable between the user port rxd, gnd and txd screw terminals and the pc serial port, see fi...
Page 83: Service Port Connection
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 81 service port connection connection cables to connect to the service port, you need a suitable cable with an rj45 connector. Dependin...
Page 84: Using The Service Port
User's guide ______________________________________________________________________ 82 __________________________________________________________________ m210566en-j using the service port 1. Unfasten the screws on the transmitter cover, and open the transmitter. 2. Connect the desired cable (serial...
Page 85: Ip Configuration
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 83 ip configuration the ip settings of the lan and wlan interfaces are described in table 15. The current settings can be viewed on the...
Page 86: Using Display/keypad
User's guide ______________________________________________________________________ 84 __________________________________________________________________ m210566en-j using display/keypad you can configure the ip settings of the lan and wlan interfaces using the display/keypad as follows: 1. Press an...
Page 87: Using Serial Line
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 85 using serial line use the serial line command net to view or set the network settings for the lan and wlan interfaces. You can also ...
Page 88: Wireless Lan Configuration
User's guide ______________________________________________________________________ 86 __________________________________________________________________ m210566en-j > net off 192.168.0.101 255.255.255.0 192.168.0.1 off dhcp : off ip address : 192.168.0.101 subnet mask : 255.255.255.0 default gatewa...
Page 89: Using Display/keypad
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 87 using display/keypad you can configure the wireless lan settings using the display/keypad as follows: 1. Press any of the arrow butt...
Page 90: Using Serial Line
User's guide ______________________________________________________________________ 88 __________________________________________________________________ m210566en-j 7. If you have selected an encrypted network type (wep or wpa), you must enter the security key to be used. Select the key/passphrase ...
Page 91: Communication Protocol
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 89 communication protocol when a connection is established via the lan or wlan interface, the session has the same communication mode, ...
Page 92: Terminal Program Settings
User's guide ______________________________________________________________________ 90 __________________________________________________________________ m210566en-j 1102-017 figure 58 web configuration interface for lan terminal program settings the instructions below describe how to connect to the...
Page 93: Note
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 91 0810-070 figure 59 opening a serial connection 4. Click the open button to open the connection window and start using the serial lin...
Page 94
User's guide ______________________________________________________________________ 92 __________________________________________________________________ m210566en-j 0810-071 figure 60 opening a telnet connection 4. Click the open button to open the connection window and start using the telnet sessi...
Page 95: List of Serial Commands
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 93 list of serial commands all commands can be issued either in uppercase or lowercase. In the command examples, the keyboard input by ...
Page 96
User's guide ______________________________________________________________________ 94 __________________________________________________________________ m210566en-j table 20 data recording commands command description dir display recorded files play [0 ... 28] [start end] output recorded data file....
Page 97
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 95 table 25 other commands command description ? Output information about the device ?? Output information about the device in poll mod...
Page 98: Outputting Reading Once
User's guide ______________________________________________________________________ 96 __________________________________________________________________ m210566en-j stopping continuous outputting use the s command to end the run mode. After this command all other commands can be used. You can also ...
Page 99: Mode
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 97 communicating with a transmitter in poll mode open when all transmitters on the rs-485 bus are in poll mode the open command sets on...
Page 100: Note
User's guide ______________________________________________________________________ 98 __________________________________________________________________ m210566en-j formatting serial line message note instead of using the ftime , fdate and fst commands described in this section, you can use the for...
Page 101: Fst
Chapter 4 ________________________________________________________________ operation vaisala _______________________________________________________________________ 99 fst to output the state of optional probe heating and chemical purge in connection with send and r commands enter: fst [ x ] where x...
Page 102: General Settings
User's guide ______________________________________________________________________ 100 _________________________________________________________________ m210566en-j general settings changing quantities and units to change quantities and units use serial commands or the optional display/keypad. See ...
Page 103: Using Serial Line
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 101 using serial line use the serial line command form to change the format, and the command unit to select metric or non-metric output ...
Page 104
User's guide ______________________________________________________________________ 102 _________________________________________________________________ m210566en-j table 26 form command modifiers modifier description x.Y length modifier (number of digits and decimal places) #t tabulator #r carriag...
Page 105: Note
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 103 unit use the unit command to select metric or non-metric output units, and change the unit for the h2o quantity: unit [ x ] where x ...
Page 106: Note
User's guide ______________________________________________________________________ 104 _________________________________________________________________ m210566en-j pressure compensation setting the pressure has an effect on humidity calculations and accuracy. Therefore, accurate calculations can b...
Page 107: Date and Time
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 105 example: > pres pressure : 1013.00 hpa ? > pres 2000 pressure : 2000.00 hpa > table 27 conversion factors for pressure units from to...
Page 108: Using Serial Line
User's guide ______________________________________________________________________ 106 _________________________________________________________________ m210566en-j using serial line to set time enter the time command. To set date enter the date command. Time date these time and date settings are s...
Page 109: Filt
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 107 filt use the serial line command filt [ xxx ] to set the filtering level. Filt [ xxx ] where xxx = off, on, or ext (default = off) d...
Page 110: Light
User's guide ______________________________________________________________________ 108 _________________________________________________________________ m210566en-j ? Use the serial line command ? To check the current transmitter configuration. Command ?? Is similar but can also be used if the tran...
Page 111: Help
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 109 help use the help command to list the currently available commands. The available commands are determined by the device configuratio...
Page 112: Lock
User's guide ______________________________________________________________________ 110 _________________________________________________________________ m210566en-j locking menu/keypad using serial line lock use the lock command to prevent the user from entering the menu using the keypad, or to loc...
Page 113: Using Display/keypad
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 111 using display/keypad 1. Press any of the arrow buttons to open the main menu . 2. Select interfaces and press the ► arrow button to ...
Page 114: Using Serial Line
User's guide ______________________________________________________________________ 112 _________________________________________________________________ m210566en-j using serial line note you can use the serial commands to change/view the user port settings even if you are currently connected to th...
Page 115: Smode
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 113 smode use the smode command to set the user port start-up operating mode. Smode [ xxxx ] where xxx = stop, send, run, poll, or modbu...
Page 116: Intv
User's guide ______________________________________________________________________ 114 _________________________________________________________________ m210566en-j intv use the intv command to set the run mode output interval. The time interval is used only when the run mode is active. Intv [ xxx ...
Page 117: Echo
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 115 echo use the echo command to set the user port echo. The command either enables or disables echo of characters received. Echo [ x ] ...
Page 118: View Recorded Data
User's guide ______________________________________________________________________ 116 _________________________________________________________________ m210566en-j enter the command without parameters and press enter to display the current recording parameters. View recorded data if the device is ...
Page 119: Play
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 117 example (without data logger module): > dir file description oldest data available no. Of points 1 rh (10 s intervals) 2008-04-11 23...
Page 120: Note
User's guide ______________________________________________________________________ 118 _________________________________________________________________ m210566en-j example: > play 3 2007-05-05 00:00:00 2007-05-06 00:00:00 rh (12 min intervals) 2007-05-05 00:00:00 121 date time trend min max yyyy-m...
Page 121: Undelete
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 119 undelete similarly to the delete command, the undelete command is used without any arguments. It will recover all deleted data that ...
Page 122: Note
User's guide ______________________________________________________________________ 120 _________________________________________________________________ m210566en-j 0503-045 figure 62 current/voltage switches of output modules the following numbers refer to figure 62 above: 1 = current/voltage sele...
Page 123: Note
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 121 example: 0 ... 5 v voltage output selected for channel 1 and 4 ... 20 ma selected for channel 2. Off on selection 1 █ 2 █ voltage ou...
Page 124: Amode/asel
User's guide ______________________________________________________________________ 122 _________________________________________________________________ m210566en-j 8. Select the upper limit by pressing the ▲▼ arrow buttons. Use the arrow buttons to set the upper limit value. Press set to confirm y...
Page 125: Analog Output Tests
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 123 analog output tests use the display/keypad for testing to test the operation of the analog by forcing the outputs to known values. M...
Page 126: Aerr
User's guide ______________________________________________________________________ 124 _________________________________________________________________ m210566en-j analog output fault indication setting factory default state for analog outputs during error condition is 0 v/ 0 ma. Please be careful...
Page 127: Operation of Relays
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 125 operation of relays quantity for relay output a relay monitors the quantity chosen for the relay output. Any of the quantities avail...
Page 128: Note
User's guide ______________________________________________________________________ 126 _________________________________________________________________ m210566en-j 1102-007 figure 63 measurement-based relay output modes mode 4 is usually used if an alarm needs to be triggered when the measured val...
Page 129: Hysteresis
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 127 hysteresis hysteresis function is to prevent the relay switching back and forth when the measured value is near to the setpoint valu...
Page 130: Note
User's guide ______________________________________________________________________ 128 _________________________________________________________________ m210566en-j 1102-040 figure 64 fault/online status relay output modes fault/online status relays are usually used in conjunction with an analog ou...
Page 131: Enabling/disabling Relays
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 129 table 30 relay state examples criterion for relay activation transmitter operation status nc-c connected no-c connected not chosen p...
Page 132: Rsel
User's guide ______________________________________________________________________ 130 _________________________________________________________________ m210566en-j 0706-003 figure 65 relay indicators on display the following number refers to figure 65 above: 1 = lists enabled relays. Activation st...
Page 133
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 131 use the quantity abbreviations presented above. See table 3 on page 19 and table 4 on page 19. Example of window limit switch: selec...
Page 134: Testing Operation of Relays
User's guide ______________________________________________________________________ 132 _________________________________________________________________ m210566en-j testing operation of relays testing activates relays even if they are disabled. Use the module push buttons to activate the relays. Pr...
Page 135: Sensor Functions
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 133 sensor functions chemical purge (optional) in some specific applications the sensor gain may decrease gradually due to an interferen...
Page 136: Manual Chemical Purge
User's guide ______________________________________________________________________ 134 _________________________________________________________________ m210566en-j before starting the chemical purge, note the following: - the sensor is protected with a pps grid with stainless steel netting, a stai...
Page 137: Using Buttons On Motherboard
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 135 starting and configuring chemical purge using buttons on motherboard start manual chemical purge by pressing simultaneously two purg...
Page 138: Using Serial Line
User's guide ______________________________________________________________________ 136 _________________________________________________________________ m210566en-j - if you have the data logger module installed, you can also specify the date and time when the purge is performed next. 4. Press exit...
Page 139: Note
Chapter 4 ________________________________________________________________ operation vaisala ______________________________________________________________________ 137 example (no data logger module installed): > pur interval purge : off ? Interval : 720 min ? Power-up purge : off ? Duration : 120 s...
Page 140: Note
User's guide ______________________________________________________________________ 138 _________________________________________________________________ m210566en-j note during the sensor heating the outputs are locked to the values measured before the heating cycle. Setting humidity sensor heating...
Page 141: Modbus
Chapter 5 ________________________________________________________________ modbus vaisala ______________________________________________________________________ 139 chapter 5 modbus this chapter contains information that is needed when operating the transmitter using the modbus protocol. Overview of...
Page 142: Taking Modbus Into Use
User's guide ______________________________________________________________________ 140 _________________________________________________________________ m210566en-j taking modbus into use to take the modbus protocol into use on the hmt330, you must perform some configuration tasks using the built-i...
Page 143: Enabling Serial Modbus
Chapter 5 ________________________________________________________________ modbus vaisala ______________________________________________________________________ 141 enabling serial modbus in addition to enabling the modbus protocol in the device, modbus over rs-232 or rs-485 needs the following soft...
Page 144: Note
User's guide ______________________________________________________________________ 142 _________________________________________________________________ m210566en-j 5. Open a terminal program, and connect to the service port. The fixed settings serial line settings of the service port are 19200, 8,...
Page 145: Enabling Ethernet Modbus
Chapter 5 ________________________________________________________________ modbus vaisala ______________________________________________________________________ 143 enabling ethernet modbus in addition to enabling the modbus protocol in the device; modbus tcp needs the following software settings: i...
Page 146: Using Serial Line
User's guide ______________________________________________________________________ 144 _________________________________________________________________ m210566en-j 7. On the communication protocol screen, enable the modbus protocol. Press the exit button to save the changes. Note that the device a...
Page 147
Chapter 5 ________________________________________________________________ modbus vaisala ______________________________________________________________________ 145 a. Use the net command to configure the networking parameters of both lan and wlan interface. You can, for example, enter the command w...
Page 148: Diagnostic Modbus Counters
User's guide ______________________________________________________________________ 146 _________________________________________________________________ m210566en-j diagnostic modbus counters hmt330 has diagnostic counters that can be used to pinpoint modbus problems. The counters are always active...
Page 149: Disabling Modbus
Chapter 5 ________________________________________________________________ modbus vaisala ______________________________________________________________________ 147 modbus rtu only: if the last received message was rejected because of bad crc checksum, the modbus command displays the message with co...
Page 150
User's guide ______________________________________________________________________ 148 _________________________________________________________________ m210566en-j this page intentionally left blank..
Page 151: Maintenance
Chapter 6 ______________________________________________________________ maintenance vaisala ______________________________________________________________________ 149 chapter 6 maintenance this chapter contains information that is needed in basic maintenance of the product. Periodic maintenance cle...
Page 152: Changing The Sensor
User's guide ______________________________________________________________________ 150 _________________________________________________________________ m210566en-j changing the sensor the user can change the humicap180 and humicap180r sensors. If the transmitter has the chemical purge and/or warme...
Page 153: Error States
Chapter 6 ______________________________________________________________ maintenance vaisala ______________________________________________________________________ 151 error states in error state the affected quantities are not measured and the output is shown as follows: - analog channel outputs 0 ...
Page 154
User's guide ______________________________________________________________________ 152 _________________________________________________________________ m210566en-j table 32 error messages error code error message action e0 humidity sensor measurement malfunction. E1 humidity sensor short circuit c...
Page 155: Technical Support
Chapter 6 ______________________________________________________________ maintenance vaisala ______________________________________________________________________ 153 technical support for technical questions, contact the vaisala technical support by e-mail at helpdesk@vaisala.Com . Provide at leas...
Page 156
User's guide ______________________________________________________________________ 154 _________________________________________________________________ m210566en-j this page intentionally left blank..
Page 157: Calibration and Adjustment
Chapter 7 ___________________________________________________calibration and adjustment vaisala ______________________________________________________________________ 155 chapter 7 calibration and adjustment the hmt330 is fully calibrated and adjusted as shipped from factory. Typical calibration int...
Page 158: Note
User's guide ______________________________________________________________________ 156 _________________________________________________________________ m210566en-j 0508-013 figure 77 adjustment and purge buttons the following numbers refer to figure 77 above: 1 = indicator led 2 = adjustment butto...
Page 159: Relative Humidity Adjustment
Chapter 7 ___________________________________________________calibration and adjustment vaisala ______________________________________________________________________ 157 relative humidity adjustment using push buttons a simple push-button adjustment is carried out by using two relative humidity ref...
Page 160: Using Display/keypad
User's guide ______________________________________________________________________ 158 _________________________________________________________________ m210566en-j using display/keypad note that the difference between the two humidity references must be at least 50 %rh. 1. Carry out the chemical p...
Page 161: Using Serial Line
Chapter 7 ___________________________________________________calibration and adjustment vaisala ______________________________________________________________________ 159 using serial line note that the difference between the two humidity references must be at least 50 %rh. 1. Connect the hmt330 to ...
Page 162: Change
User's guide ______________________________________________________________________ 160 _________________________________________________________________ m210566en-j rh : 75.45 ref2 ? C rh : 75.57 ref2 ? C rh : 75.55 ref2 ? C rh : 75.59 ref2 ? 75.5 ok > 12. Ok indicates that the adjustment has succe...
Page 163: Temperature Adjustment
Chapter 7 ___________________________________________________calibration and adjustment vaisala ______________________________________________________________________ 161 temperature adjustment using display/keypad 1. Press the adj button on the motherboard to open the adjustment menu . If using a w...
Page 164
User's guide ______________________________________________________________________ 162 _________________________________________________________________ m210566en-j 4. Type c and press enter a few times to check if the reading is stabilized. Let the reading stabilize, give the reference temperature...
Page 165: Analog Output Adjustment
Chapter 7 ___________________________________________________calibration and adjustment vaisala ______________________________________________________________________ 163 analog output adjustment in the analog output calibration the analog output is forced to the following values: - current output: ...
Page 166: Using Display/keypad
User's guide ______________________________________________________________________ 164 _________________________________________________________________ m210566en-j feeding adjustment information this information is shown on the device information fields. See section device information on page 107....
Page 167: Technical Data
Chapter 8 ____________________________________________________________ technical data vaisala ______________________________________________________________________ 165 chapter 8 technical data this chapter provides the technical data of the product. Specifications performance relative humidity meas...
Page 168: Optional Temperature Probe
User's guide ______________________________________________________________________ 166 _________________________________________________________________ m210566en-j temperature (+ operating pressure ranges) hmt331 -40 ... +60 °c (-40 ... +140 °f) hmt333 80 ºc -40 ... +80 °c (-40 ... +176 °f) hmt333...
Page 169: Calculated Variables
Chapter 8 ____________________________________________________________ technical data vaisala ______________________________________________________________________ 167 calculated variables table 34 calculated variables (typical ranges) variable hmt331 probe hmt333 probe hmt334/335/337/338 probes de...
Page 170
User's guide ______________________________________________________________________ 168 _________________________________________________________________ m210566en-j accuracy of wet bulb temperature °c relative humidity temp. 10 20 30 40 50 60 70 80 90 100 -40 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20...
Page 171: Probe Option)
Chapter 8 ____________________________________________________________ technical data vaisala ______________________________________________________________________ 169 dewpoint temperature (hmt337 warmed probe option) find the intersection of the dewpoint temperature curve and the dewpoint differen...
Page 172: Inputs and Outputs
User's guide ______________________________________________________________________ 170 _________________________________________________________________ m210566en-j inputs and outputs operating voltage 10 ... 35 vdc, 24 vac with optional power supply module 100 ... 240 vac, 50/60 hz start-up time a...
Page 173: Transmitter Weight
Chapter 8 ____________________________________________________________ technical data vaisala ______________________________________________________________________ 171 transmitter weight table 35 transmitter weight (in kg/lb) probe cable length probe type 2 m 5 m 10 m hmt333 1.1/2.4 1.2/2.6 1.5/3.3...
Page 174: Relay Module
User's guide ______________________________________________________________________ 172 _________________________________________________________________ m210566en-j relay module operating temperature range -40 ... +60 ºc (-40 ... +140 ºf) operating pressure range 500 ... 1300 mmhg power consumption...
Page 175: Data Logger Module
Chapter 8 ____________________________________________________________ technical data vaisala ______________________________________________________________________ 173 data logger module operating temperature range -40 ... +60 ºc (-40 ... +140 ºf) storage temperature range -55 ... +80 ºc (-67 ... +...
Page 176
User's guide ______________________________________________________________________ 174 _________________________________________________________________ m210566en-j description order code swagelok for 12mm probe 1/2" npt thread swg12npt12 swagelok for 6mm probe 1/2" iso thread swg6iso12 swagelok fo...
Page 177: Dimensions (Mm/inch)
Chapter 8 ____________________________________________________________ technical data vaisala ______________________________________________________________________ 175 dimensions (mm/inch) 0506-035 figure 82 transmitter body dimensions.
Page 178
User's guide ______________________________________________________________________ 176 _________________________________________________________________ m210566en-j 0804-035 figure 83 wlan antenna dimensions.
Page 179: Hmt331
Chapter 8 ____________________________________________________________ technical data vaisala ______________________________________________________________________ 177 hmt331 12 (0.47) 120 (4.72) 0508-030 figure 84 hmt331 fixed probe dimensions 0911-060 figure 85 hmt331 short cable probe dimensions.
Page 180: Hmt333
User's guide ______________________________________________________________________ 178 _________________________________________________________________ m210566en-j hmt333 0804-060 figure 86 hmt333 probe dimensions hmt334 0804-059 figure 87 hmt334 probe dimensions.
Page 181: Hmt335
Chapter 8 ____________________________________________________________ technical data vaisala ______________________________________________________________________ 179 hmt335 0508-020 figure 88 hmt335 probe dimensions the flange is available as an option for the hmt335 probe. Hmt337 0804-061 figure...
Page 182: Hmt338
User's guide ______________________________________________________________________ 180 _________________________________________________________________ m210566en-j hmt338 0508-078 figure 90 hmt338 probe dimensions temperature probe 0804-062 figure 91 optional temperature probe dimensions.
Page 183: Probe Installation Kits and
Appendix a _________________________________ probe installation kits and installation examples vaisala ______________________________________________________________________ 181 appendix a probe installation kits and installation examples duct installation kits (for hmt333/337/335) duct installation...
Page 184: Hmt337)
User's guide ______________________________________________________________________ 182 _________________________________________________________________ m210566en-j duct installation kit for temperature probe (for hmt337) vaisala duct installation kit for the t-probe includes flange, supporting bar...
Page 185: Hmt337)
Appendix a _________________________________ probe installation kits and installation examples vaisala ______________________________________________________________________ 183 pressure tight swagelok installation kits (for hmt337) rh probe installation swagelok installation kit for the relative hu...
Page 186: Cable Gland
User's guide ______________________________________________________________________ 184 _________________________________________________________________ m210566en-j examples of vapor tight installations with cable gland rh-probe installations (for hmt333/337) cable gland agro is available from vais...
Page 187
Appendix a _________________________________ probe installation kits and installation examples vaisala ______________________________________________________________________ 185 t- probe installations (hmt337) 0508-015 figure 98 vapor tight installation vapor tight installation is not available from...
Page 188: Note
User's guide ______________________________________________________________________ 186 _________________________________________________________________ m210566en-j example of climate chamber installation 0507-016 figure 100 climate chamber installation (not available from vaisala) the following nu...
Page 189
Appendix a _________________________________ probe installation kits and installation examples vaisala ______________________________________________________________________ 187 example of installation through roof outdoor environment 1 2 3 4 5 6 7 8 9 10 11 12 process: for example +85 ºc, 85 %rh 05...
Page 190
User's guide ______________________________________________________________________ 188 _________________________________________________________________ m210566en-j ball valve installation kit for hmt338 the ball valve installation kit (vaisala order code: ballvalve-1) is preferred when connecting ...
Page 191: Note
Appendix a _________________________________ probe installation kits and installation examples vaisala ______________________________________________________________________ 189 note the probe can be installed in the process through the ball valve assembly provided that the process pressure is less ...
Page 192
User's guide ______________________________________________________________________ 190 _________________________________________________________________ m210566en-j meteorological installation kit (for hmt337) the vaisala meteorological installation kit hmt330mik (vaisala order code: hmt330mik) ena...
Page 193: Calculation Formulas
Appendix b ______________________________________________________ calculation formulas vaisala ______________________________________________________________________ 191 appendix b calculation formulas this appendix contains the formulas used for the calculated output quantities. The hmt330 series t...
Page 194
User's guide ______________________________________________________________________ 192 _________________________________________________________________ m210566en-j enthalpy: x x t h 5 . 2 ) 00189 . 0 01 . 1 ( ) 15 . 273 ( (4) the water vapor saturation pressure p ws is calculated by using two equa...
Page 195
Appendix b ______________________________________________________ calculation formulas vaisala ______________________________________________________________________ 193 parts per million by volume is calculated using: w w v p p p ppm 6 10 (8) symbols: t d = dewpoint temperature (°c) p w = water vap...
Page 196
User's guide ______________________________________________________________________ 194 _________________________________________________________________ m210566en-j this page intentionally left blank..
Page 197: Modbus Reference
Appendix c ______________________________________________________ modbus reference vaisala ______________________________________________________________________ 195 appendix c modbus reference this appendix describes the modbus functions and data of the transmitter. Function codes hmt330 supports a...
Page 198: Register Map
User's guide ______________________________________________________________________ 196 _________________________________________________________________ m210566en-j register map all data available via the modbus interface is grouped in six contiguous blocks of registers as described in table 37 bel...
Page 199: Note
Appendix c ______________________________________________________ modbus reference vaisala ______________________________________________________________________ 197 a “quiet nan” value is returned for unavailable values. Writing any nan or infinite value is silently ignored. A quiet nan is, for exa...
Page 200: Note
User's guide ______________________________________________________________________ 198 _________________________________________________________________ m210566en-j note if your modbus master supports 32-bit floating point values, always use them instead of 16-bit integer registers. The use of 16-b...
Page 201: Status Registers (Read-Only)
Appendix c ______________________________________________________ modbus reference vaisala ______________________________________________________________________ 199 status registers (read-only) table 39 status registers name address description fault status 0513 1 = no errors online status 0514 1 =...
Page 202: Exception Status Outputs
User's guide ______________________________________________________________________ 200 _________________________________________________________________ m210566en-j configuration flags are used to select some basic options of the instrument and to manually start the sensor operations. Table 41 conf...
Page 203: Diagnostic Sub-Functions
Appendix c ______________________________________________________ modbus reference vaisala ______________________________________________________________________ 201 diagnostic sub-functions hmt330 supports some of the modbus diagnostic functions described in the modbus application protocol specific...
Page 204: Exception Responses
User's guide ______________________________________________________________________ 202 _________________________________________________________________ m210566en-j device identification objects hmt330 modbus conforms to the extended identification level defined in the modbus application protocol s...
Page 206
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