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Bacharach N2O Portable Monitor Instruction

Manual is about: N2O Portable Monitor, Portable Area Gas Monitor (PAGM) with Infrared Sensor for N2O Gas

Summary of N2O Portable Monitor

  • Page 1

    N 2 o portable monitor portable area gas monitor (pagm) with infrared sensor for n 2 o gas instruction 3015-4787 operation & maintenance rev. 8 – february 2013 product leadership • training • service • reliability patent 6,590,690

  • Page 2: Warranty

    Ii instruction 3015-4787 warranty bacharach, inc. Warrants to buyer that at the time of delivery this product will be free from defects in material and manufacture and will conform substantially to bacharach inc.'s applicable specifications. Bacharach's liability and buyer's remedy under this warran...

  • Page 3: Table Of Contents

    N 2 o portable monitor table of contents instruction 3015-4787 iii table of contents 1 introduction ....................................................................................................................................... 1 1.1 how to use this manual ......................................

  • Page 4

    Table of contents n 2 o portable monitor iv instruction 3015-4787 3.14.2 keypad functions............................................................................................................ 18 3.14.3 screen display ................................................................................

  • Page 5: 1 Introduction

    N 2 o portable monitor introduction instruction 3015-4787 1 1 introduction 1.1 how to use this manual this manual provides important information on how to operate and service bacharach’s nitrous oxide (n 2 o) portable monitor. To assure operator safety and the proper use of the monitor, please read,...

  • Page 6

    Introduction n 2 o portable monitor 2 instruction 3015-4787 1.5.2 combustible/flammable gas warning combustible/flammable gas warning: this is not a safety device. Some gases which this instrument can detect may be combustible/ flammable. When properly configured, this instrument is designed to alar...

  • Page 7: 1.7  Shipping Precaution

    N 2 o portable monitor introduction instruction 3015-4787 3 1.7 shipping precaution when shipping the instrument by air, deflate the purge-air bag to prevent it from bursting due to changes in air pressure. Deflate the bag by selecting the emtybag function as described on page 11. 1.8 features and c...

  • Page 8: 2 Specifications

    Specifications n 2 o portable monitor 4 instruction 3015-4787 2 specifications product type ..................... Portable n 2 o gas monitor measuring range ............. 0 to 1,000 ppm warm-up time ................. 15 minutes detector type.................... Infrared, non-dispersive sensitivity ....

  • Page 9: 3 Operation

    N 2 o portable monitor operation instruction 3015-4787 5 3 operation 3.1 front panel display and controls 3.2 connecting gas-sample & exhaust lines 3.2.1 overview a single gas-sample line needs to be run from the n 2 o monitor to the area to be monitored. If desired, an optional exhaust line can be ...

  • Page 10

    Operation n 2 o portable monitor 6 instruction 3015-4787 3.2.3 connecting the exhaust line (optional) the optional exhaust line carries the exhausted gas sample away from the monitor. The exhaust line can be up to 50 ft (15.2 m) in length. Ideally this line should terminate outdoors in a location th...

  • Page 11

    N 2 o portable monitor operation instruction 3015-4787 7 4. Observe that the new twa/twa screen may appear, depending on the configuration of the monitor’s twa/twa function (refer to section 3.4 for detailed twa operation). 5. Observe the monitor starts counting down its warm-up period of 900 second...

  • Page 12

    Operation n 2 o portable monitor 8 instruction 3015-4787 3.4 time weighted average (twa) operation 3.4.1 overview in addition to displaying the current n 2 o level, the monitor can also calculate and display a time weighted average ppm value. This value is available in two formats (8 hour or continu...

  • Page 13: 3.7  Standby Mode

    N 2 o portable monitor operation instruction 3015-4787 9 3.5 peak reading operation in addition to displaying the current n 2 o level, the monitor can also be set up to display its peak ppm measurement. The peak reading display is selected by using the 2ndunit function (page 13). The display above s...

  • Page 14: 3.9  Display Screens

    Operation n 2 o portable monitor 10 instruction 3015-4787 3.8 battery – charging and using 3.8.1 charging the battery the monitor is powered by a rechargeable battery pack located in a pouch on the side of the monitor’s soft carrying case. The battery pack can be recharged at any time, regardless of...

  • Page 15

    N 2 o portable monitor operation instruction 3015-4787 11 during normal operation the data display screen shows when the monitor is performing the following two functions: measure indicates that the monitor is actively measuring gas. In the screen shown above the monitor is currently detecting 100 p...

  • Page 16

    Operation n 2 o portable monitor 12 instruction 3015-4787 • alarm/fault – alarm sounds when either the detected gas level exceeds the alrmlvl value, or if a system fault occurs, as evidenced by the front panel alarm (red) light or fault (yellow) light turning on. • leak detector – when selected, the...

  • Page 17

    N 2 o portable monitor operation instruction 3015-4787 13 p-chk – the pressure check function displays the current manifold pressure and the stored ambient pressure in psia, along with the difference between these two pressures and the current fault code. Refer to section 3.14. Gas – displays nitrou...

  • Page 18

    Operation n 2 o portable monitor 14 instruction 3015-4787 3.10 working with system faults 3.10.1 functional overview if a system malfunction occurs (see fault code list, page 15), the front panel fault light will flash and the audible alarm, if activated (refer to audalrm function page 11), will sta...

  • Page 19

    N 2 o portable monitor operation instruction 3015-4787 15 3.10.4 fault codes fault codes are additive. For example: a fault code of indicates that both a box temperature fault and a bench temper- ature fault have occurred. Box temperature fault: enclosure temperature is outside normal range (or ir d...

  • Page 20

    Operation n 2 o portable monitor 16 instruction 3015-4787 3.11 working with the gas alarm 3.11.1 gas-alarm light if the detected gas level reaches the gas-alarm level as set by the alrmlvl function, the front panel alarm (red) light will flash and the audible alarm, if activated (refer to audalrm fu...

  • Page 21

    N 2 o portable monitor operation instruction 3015-4787 17 3.13.3 first diagnostic screen in the first diagnostic screen, the user can toggle between displaying bench voltage / detector temperature, and noise / box temperature by pressing the keypad right button. Bench voltage – this is the current p...

  • Page 22

    Operation n 2 o portable monitor 18 instruction 3015-4787 3.14 working with the p-chk function 3.14.1 overview the p-chk function (pressure check function) (page 13) is useful to a service technician for troubleshooting a flow-fault problem. The monitor will trigger a flow fault if the pressure drop...

  • Page 23

    N 2 o portable monitor operation instruction 3015-4787 19 3.15 print/plot logged gas levels a printout or plot of the last 200 n 2 o ppm measurements can be made by connecting the optional bacharach printer and printer cable to the monitor as follows (refer to section 5.1 for printer and cable part ...

  • Page 24

    Operation n 2 o portable monitor 20 instruction 3015-4787 3.16 downloading stored data to a personal computer using the monitor’s pc dump feature (page 13), the last 200 n 2 o gas readings that were stored in memory can be downloaded to a personal computer in ascii text, comma-delimited format, whic...

  • Page 25

    N 2 o portable monitor operation instruction 3015-4787 21 4. From the data display screen, press boththe keypad left and right buttons at the same time to display the first function menu screen. Next, use the keypad buttons to move the arrow (>) until it points to pc-dump, and then press the enter b...

  • Page 26: 4 Maintenance

    Maintenance n 2 o portable monitor 22 instruction 3015-4787 4 maintenance 4.1 disassembly when servicing the parts inside the n 2 o monitor, disassemble the monitor’s metal chassis as follows: items required: • medium phillips head screwdriver procedure: 1. Remove monitor and its battery pack from t...

  • Page 27

    N 2 o portable monitor maintenance instruction 3015-4787 23 4.2 internal particulate / hydrophobic filter replacement items required: • replacement filter (p/n 0007-1654) • medium phillips head screwdriver procedure: 1. Disassemble the monitor’s metal chassis per section 4.1. 2. See illustration bel...

  • Page 28: 5 Parts and Service

    Parts and service n 2 o portable monitor 24 instruction 3015-4787 5 parts and service 5.1 replacement parts & optional items replacement parts item description part number n 2 o monitor 3015-4790 replacement battery kit 3015-5739 soft carrying case with shoulder strap 3015-5700 bladder bag kit 3015-...

  • Page 29: 5.2  Service Centers

    N 2 o portable monitor parts and service instruction 3015-4787 25 5.2 service centers service and replacement parts can be obtained by contacting any of the following bacharach service centers: united states bacharach, inc. 621 hunt valley circle new kensington, pa 15068 phone: 724-334-5051 fax: 724...

  • Page 30

    Declaration of conformity n 2 o portable monitor 26 instruction 3015-4787 6 declaration of conformity.

  • Page 31

    N 2 o portable monitor instruction 3015-4787 27 notes:.

  • Page 32

    Headquarters: 621 hunt valley circle, new kensington, pa 15068-7074 toll free: 800-736-4666 • tel: +1-724-334-5000 • fax: +1-724-334-5001 website: www.Mybacharach.Com • e-mail: help@mybacharach.Com printed in u.S.A. ® registered trademark of bacharach inc..