Larson Davis HVM100 Manual
Summary of HVM100
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Model hvm100 human vibration meter manual.
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Ihvm100.01 rev k larson davis hvm100 manual.
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Copyright copyright 2006-2015 by pcb piezotronics, inc. This manual is copyrighted, with all rights reserved. The manual may not be copied in whole or in part for any use without prior written consent of pcb piezotronics, inc. Icp ® is a registered trademark of pcb group, inc. Blaze ® is a registere...
Page 4: Table of Contents
Hvm100 manual ii-i table of contents chapter 1 introduction 1-1 about this manual .................................................................................................1-1 accessories ............................................................................................................
Page 5: Chapter 3
Ii-ii hvm100 manual chapter 3 tools menu 3-1 tools key................................................................................................................3-1 accelerometer ....................................................................................................3-1 display unit...
Page 6: Chapter 7
Hvm100 manual ii-iii recalling setup register s0 at power-on .........................................................6-7 recalling a file ..................................................................................................6-8 chapter 7 taking measurements/ viewing data on the hvm100 7...
Page 7: Appendix A Specifications
Ii-iv hvm100 manual appendix a specifications a-1 general characteristics ..........................................................................................A-1 type precision..............................................................................................A-1 effects of temperatu...
Page 8: Appendix B Glossary
Hvm100 manual ii-v whole body - wm .....................................................................................A-23 whole body - wc.......................................................................................A-24 whole body - wd, we ...................................................
Page 9: F-1
Ii-vi hvm100 manual typical measurement ranges for hand-arm and whole body measurements ... E-5 icp ® accelerometers ........................................................................................ E-5 typical measurement ranges for general purpose vibration measurements...... E-7 icp accele...
Page 10: About This Manual
Hvm100 manual introduction 1-1 c h a p t e r 1 introduction thank you for purchasing the human vibration meter from larson davis. The hvm100 is a powerful but small vibra- tion measurement tool. This handheld vibration analyzer will allow a variety of applications to be performed includ- ing; whole ...
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1-2 hvm100 manual chapter 4 - the range menu this chapter will describe in detail the functionality and selections contained in the range menu. This includes calibration of the hvm100. Chapter 5 - printing this chapter will describe how to download data from the hvm100. Chapter 6 - storing and recal...
Page 12: Accessories
Hvm100 manual 1-3 accessories selection of the proper accessories for use with your hvm100 is one of the most important functions you can perform. The transducer is especially critical to obtaining good results. Standard accessories the hvm100 is delivered with the following standard accessories: • ...
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1-4 hvm100 manual • cbl120 (cable, 3 x 10-32 male to 4-pin lemo ® female) • cbl121 (cable, 3 x bnc male to 4-pin lemo female) • cbl124 (cable, ac/dc output, 3 x bnc to switchcraft ® ) • cbl125 (cable, mini 4-pin to 4-pin lemo female) • cbl158 (cable, 4-pin microtech to 4-pin lemo male) adaptors • ad...
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Hvm100 manual 1-5 • hvm programmer software, available from larson davis, can be used to programs the languages and update the firmware when new versions are available for the hvm100. Selecting the proper transducer there are several important considerations when selecting a transducer to perform yo...
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1-6 hvm100 manual the next item to consider is the sensitivity of the transducer. The sensitivity of the accelerometer will depend on the application being performed. If the application is a high vibration level application, a low sensitivity should be selected. For low vibration level applications ...
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Hvm100 manual 1-7 triaxial accelerometers . Specification unit sen020 sen21f sen026 voltage sensitivity mv/g 1 10 10 frequency range (+/-5%) hz 0.5 to 5,000 0.5 to 2,500 1 to 9,000 frequency range (+/-10%) hz 0.3 to 6,000 0.5 to 12,000 mounted resonant frequency khz 25 25 25 measurement range +/-...
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1-8 hvm100 manual . Specification unit sen027 sen040f sen041f voltage sensitivity mv/g 100 1 10 frequency range (+/-5%) hz 0.5 to 1,000 2 to 4,000 2 to 4,000 frequency range (+/-10%) hz mounted resonant frequency khz 27 55 55 measurement range +/-g pk 10 5,000 500 broadband resolution (1 hz to 10...
Page 18: About The Hvm100
Hvm100 manual 1-9 single axis accelerometers . About the hvm100 the hvm100 is a powerful, all digital, vibration analyzer. It features simultaneous 3 channel measurements, small lightweight design, easy to read display, portability utilizing 2 aa batteries, 115.2 kbps rs-232 interface, three modes o...
Page 19: Modes of Operation
1-10 hvm100 manual operation: hand-arm, whole body, and vibration, and the capability to display and print text in a variety of languages. Modes of operation the hvm100 is divided into three modes of operation. The standard mode is the vibration mode. This is the mode included with the instrument. T...
Page 20: Band Limiting Filters
Hvm100 manual 1-11 frequency weighting curve is defined in british standard 6841:1987. Band limiting filters in addition to defining the frequency weightings for hand- arm and whole body, iso 8041:2005 also defines a band- limiting filter to be used with each of the frequency weightings. Each band-l...
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1-12 hvm100 manual.
Page 22: Switching Hvm100 On
Hvm100 manual getting started 2-1 c h a p t e r 2 getting started this section will introduce you to the keypad and functionality of the hvm100. Switching hvm100 on if any displays appear during the boot process which refer to serial number or sn, see section "serial number backup" on page f-1. To s...
Page 23: Alpha Numeric Menu Function
2-2 menu navigation hvm100 manual alpha numeric menu function the alpha numeric menu screens include the header screens and the calibrator sensitivity screen. These are settings that require the user to enter letters of the alphabet or numerals into the field. To change an alpha numeric menu setting...
Page 24: Indexed Menu Function
Hvm100 manual menu navigation 2-3 even if you don’t hit the check key. You can accept the change just by moving to another section of the hvm100. Indexed menu function the following is an example of how to make a change to an indexed menu item. (an item that has a specific list of choices.) step 1 g...
Page 25: Key Board Functions
2-4 key board functions hvm100 manual step 5 to accept the change, either hit the c key or move to the next menu item or to another part of the hvm100. Key board functions the keyboard on the front of the hvm100 is the main interface to the instrument. The keyboard consists of 11 dedicated function ...
Page 26: Mode Selection
Hvm100 manual setup key 2-5 circular menu. You can scroll through and return to the top by continuously pressing the d or u arrow key. Mode selection hint: this setting is in the setupmenu. To access the setup menu press the setup key and then use the u and d arrow keys to navigate through the menu ...
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2-6 setup key hvm100 manual note: an exponential detector is defined as a detector that maintains a moving average of the signal. The only exponential detector in the hvm100 is the slow detector. This detector will begin by taking a 1 second average. As time moves, the exponential detector will disc...
Page 28: Store Time
Hvm100 manual setup key 2-7 store time hint: this setting is in the setupmenu. To access the setup menu press the setup key and then use the u and d arrow keys to navigate through the menu items. Note: to change the store time param- eters, press the c key , use the u and d arrows to select the desi...
Page 29: 2Nd History
2-8 vibration mode weighting hvm100 manual the auto store is turned off with this setting. The auto store feature will store each time the store time is reached. This will continue until all file registers are full. The auto store-autostop feature will allow you to take a fixed length measurement. T...
Page 30: Hand Arm Mode Weighting
Hvm100 manual hand arm mode weighting 2-9 note: to view each selection, first press the c key , and then press the r or l arrow key to scroll through each selec- tion. In the vibration mode you can select from the following weighting selections. Please see the appendix at the end of this manual for ...
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2-10 whole body weighting mode hvm100 manual for all channels. Here we only depict the x channel data, but the other channels screens would be the same: w e i g h t i n g x w m w e i g h t i n g x w b w e i g h t i n g x w c w e i g h t i n g x w d w e i g h t i n g x w e w e i g h t i n g x w g w e...
Page 32: Tools Key
Hvm100 manual tools menu 3-1 c h a p t e r 3 tools menu the tools menu has settings relating to the transducer and setup information relevant to the instrument. Selections include communications, printing, headers, etc. Tools key the tools menu functions in exactly the same manner as the setup menu ...
Page 33: Display Units
3-2 tools key hvm100 manual transducer. When the transducer is not connected, this voltage will read 25 to 26 volts. If you have a transducer connected and it is working properly, it should be reading between 2 and 12 volts depending upon the transducer. The following table shows the typical bias vo...
Page 34: Integration
Hvm100 manual tools key 3-3 note: the hvm100 uses a reference acceleration of 10 -6 m/s 2 (velocity refer- ence = 10 -9 m/s, displacement reference = 10 -12 m) or a reference of 10 -5 m/s 2 (velocity reference = 10 -8 m/s, displace- ment reference = 10 -11 m) to display acceleration, velocity and di...
Page 35: Sum Factor X,y, Z
3-4 tools key hvm100 manual note: to view each selection, first press the c key , and then press the r or l arrow key to scroll through each selec- tion. Single integration will express the units in velocity, and double integration will express the units in displacement. Sum factor x,y, z hint: this...
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Hvm100 manual tools key 3-5 note: to view each selection, first press the c key , and then press the r or l arrow key to scroll through each selec- tion. Ac output is useful for frequency analysis by an external analyzer or for recording in a tape recorder. The dc output is useful for a chart record...
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3-6 tools key hvm100 manual the signal that is output on each pin is selectable for each channel. The selections are the same for each channel. We will list the x channel selections, however the available selections will be the same for all operating modes as well. The ac output will produce a signa...
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Hvm100 manual tools key 3-7 ac/dc output settings setting description ac: weighted this will weight the output pin for the selected channel according to the weighting selected for that channel. If channel x has a weighting of ws, then the output pin for channel x will produce a ws weighted ac signal...
Page 39: Baud Rate
3-8 tools key hvm100 manual only one selection can be made for each channel. Channels y and z will have the same selection of settings. The weighting selected can be independent for each channel. Baud rate hint: this setting is in the tools menu. To access the tools menu press the tools key and then...
Page 40: Erase All Files
Hvm100 manual tools key 3-9 the print history selection will determine whether or not the hvm100 will send the history buffer information when the print key is pressed. Note: to view each selection, first press the c key , and then press the r or l arrow key to scroll through each selec- tion. This ...
Page 41: Erase Setups
3-10 tools key hvm100 manual step 3 the following screen will now be showing and the’yes’ will be flashing. Press the c key to erase the files. Step 4 after pressing the c key, the screen will display the following message. After about 3 seconds the display will return to the erase all files screen....
Page 42: Header 1,2,3
Hvm100 manual tools key 3-11 step 3 the following screen will now be showing and the ‘yes’ will be flashing. Press the c key to erase the setups. Step 4 after pressing the c key, the screen displays the following message. The display will return to the erase setups screen after about 3 to 10 seconds...
Page 43: Language
3-12 tools key hvm100 manual hint: you can use the reset key to erase all of the existing entries in an alpha- numeric entry. Position the cursor on the left most position you want erased. Press the r key, and all positions to the right of the cursor, including the cursor position will be erased. If...
Page 44: Date and Time
Hvm100 manual tools key 3-13 date and time hint: this setting is in the tools menu. To access the tools menu press the tools key and then use the u and d arrow keys to navigate through the menu items. Note: to change the date and time parameter, press the c key , use the u and d arrows to select the...
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3-14 tools key hvm100 manual.
Page 46: Range Key
Hvm100 manual range menu 4-1 c h a p t e r 4 range menu the range key functions are concerned with the level of input signals coming into the hvm100. Range key in this menu, gain is added, calibration is performed, auto- ranging is enabled, and accelerometer sensitivity is entered. Auto range hint: ...
Page 47: Gain X, Y, Z
4-2 range key hvm100 manual once the gain selection is stable, press the c key to save the settings. The hvm100 must be stopped and reset before the auto-range function can be used. Gain x, y, z hint: this setting is in the range menu. To access the range menu press the range key and then use the u ...
Page 48: Calibrate X, Y, Z
Hvm100 manual range key 4-3 note: calibrators operate at a variety of frequencies. In order to ensure that the frequency weighting selection does not affect the level of the calibration, during calibration the frequency weighting is automatically changed to fc frequency weighting which applies a ban...
Page 49: Sensitivity X, Y, Z
4-4 range key hvm100 manual step 4 press the c key on the hvm100. The screen will start to flash values. When the level of your calibrator appears in the screen, and the reading is stable, press the c key again. Note: after a given channel has been calibrated using the shaker type calibra- tor, the ...
Page 50: Reference Acceleration
Hvm100 manual range key 4-5 units for icp ® and direct are mv/g (rms), the units for charge accelerometers are pc/g (rms). Reference acceleration hint: this setting is in the range menu. To access the range menu press the range key and then use the u and d arrow keys to navigate through the menu ite...
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4-6 range key hvm100 manual note: the united kingdom specified the 2.8 m/s 2 action value for single axis measurements (x, y or z). The physical agents directive (2002/44/ec) for the european union calls for a measurement of the vector sum of all three axes ( . In this directive, 2.5 m/s 2 is specif...
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Hvm100 manual printing 5-1 c h a p t e r 5 printing the print key is the most efficient method for download- ing data from the hvm100. Pressing the print key will cause the hvm100 to stream formatted ascii text to the instrument’s serial port connector. Note: the print key only works if you are curr...
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5-2 printing to a windows hyperterminal hvm100 manual step 1 collect the data in the hvm100. Step 2 use the print history setting (located in the tools menu), to select whether or not to include time history data in the printed report. Step 3 connect cbl006 to the i/o port on the hvm100, and to the ...
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Hvm100 manual printing to a windows hyperterminal 5-3 step 4 locate hyperterminal on your computer. Hyperterminal is usually found in the start menu, under programs, and in the accessories folder..
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5-4 printing to a windows hyperterminal hvm100 manual step 5 select hyperterminal from the menu. A new connection dialog box will appear..
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Hvm100 manual printing to a windows hyperterminal 5-5 step 6 enter a name, and choose an icon for your hyperterminal connection..
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5-6 printing to a windows hyperterminal hvm100 manual step 7 press the ok button..
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Hvm100 manual printing to a windows hyperterminal 5-7 step 8 the connect to dialog box will appear..
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5-8 printing to a windows hyperterminal hvm100 manual step 9 the last selection in this box is the ‘connect using’ selection box. This will allow you to select the com port you will use to communicate with the hvm100. Select the com port you plugged your hvm100 into. Press ok..
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Hvm100 manual printing to a windows hyperterminal 5-9 step 10 the communications properties screen will appear. Select the baud rate (bits per second) that matches the baud rate on your hvm100. The other settings are: • data bits: 8 • parity: none • stop bits: 1 • flow control: hardware.
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5-10 printing to a windows hyperterminal hvm100 manual step 11 press the ok button. You have now established a connection for the hvm100. You will notice that in the lower left corner of the hyperterminal screen it states that there is a connection, and will show how long the connection has been in ...
Page 62: Properties
Hvm100 manual printing to a windows hyperterminal 5-11 left click the properties button . Properties settings.
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5-12 printing to a windows hyperterminal hvm100 manual left click the settings tab at the top of the window to open the setting dialog box..
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Hvm100 manual printing to a windows hyperterminal 5-13 configure the items as shown above and click asci setup to open the asci dialog box. Configure the items as shown above and press ok to close the ascii dialog box. Press ok to close the properties window. Left click transfer box which will open ...
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5-14 printing to a windows hyperterminal hvm100 manual this will open the following menu use the browse function to identify the file into which you want the data transferred and press start. After the connection has been established, press the print key on the hvm100
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Hvm100 manual printing to a windows hyperterminal 5-15 left click transfer, highlight stop on the drop-down menu and left click. The data can now be found as a test file in the folder designated for saving the transferred file..
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5-16 printing to a windows hyperterminal hvm100 manual.
Page 68: Store Key
Hvm100 manual storing and recalling data files and setups 6-1 c h a p t e r 6 storing and recalling data files and setups this chapter will describe the process of storing data and setup information in the hvm100’s internal memory. Store key the store key on the hvm100 has two functions. It will all...
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6-2 store key hvm100 manual step 2 press the store key. Step 3 the display will prompt you to store a setup. The flashing number in the lower right corner is refer- ring to the setup register you are currently select- ing. Note: to purge all setup registers, go to the tools menu, use the u and d arr...
Page 70: Storing A File
Hvm100 manual store key 6-3 step 5 press the l arrow key to scroll to the naming sec- tion of the screen. You can now enter a name for the setup. Use the uandd arrows to select characters for the positions and the r and l arrow keys to move to the different positions. Step 6 press the c key. This wi...
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6-4 store key hvm100 manual step 3 the store file screen will appear. The number in the bottom right of the screen is referring to the file register where the data will be stored. Step 4 use the uandd arrow keys to select the desired file register. Step 5 press the l arrow key to scroll over to the ...
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Hvm100 manual store key 6-5 store the hvm100’s current data and setup in file register 00, and then turn off. Data storage - file registers 01 thru 99 once all files have been purged (see chapter 3, tools menu), automatic and manual storing of files begins with file register 01. For example, if all ...
Page 73: Recall Key
6-6 recall key hvm100 manual recall key in order to use a setup, or to print a stored file they must be recalled into the current memory of the hvm100. The recall key is again dependent on the menu being viewed when the key is pressed. If you are in the tools, setup or range menu and press the recal...
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Hvm100 manual recall key 6-7 step 2 press the recall key. Step 3 you will now be prompted to recall a setup. Step 4 use the uandd arrow keys to scroll through the setups until the desired setup appears on the screen. Step 5 press the c key to recall the setup. Recalling setup register s0 at power-on...
Page 75: Recalling A File
6-8 recall key hvm100 manual register s0, and the hvm100 will automatically recall that setup every time the hvm100 is turned on. If for some reason, the hvm100 needs to be reset to its original factory default settings, the user can erase all setup registers (see chapter 3, tools menu). This will r...
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Hvm100 manual recall key 6-9 step 4 use the uandd arrow keys to move to the desired selection. Step 5 press the c key to recall the file into the current memory. All setup information was stored when the data file was stored. That setup information is recalled with the data file, and can be reviewed...
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6-10 recall key hvm100 manual.
Page 78: Run/stop Key
Hvm100 manual 7-1 c h a p t e r 7 taking measurements/ viewing data on the hvm100 this chapter will describe how to take a measurement and view the data on the display of the hvm100. Run/stop key the run/stop key is used to start and stop the measurement. There are several screen indicators that wil...
Page 79: Under-Range Indicator (?)
7-2 run/stop key hvm100 manual • the hvm100 indicates when an overload is currently occurring on any of the three inputs. The hvm100 flashes the following screen. • the hvm100 uses an * to indicate that an overload has occurred since the last reset. The * is displayed on all channels regardless of w...
Page 80: History Key
Hvm100 manual history key 7-3 more times during the collection of the data. An example of a data display with the “!” indicator is shown below. History key note: to view each selection, first press the c key , and then press the rlu or d arrow key to scroll through each selec- tion. The hvm100 will ...
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7-4 history key hvm100 manual the history key works much the same as the other menus in the hvm100. To view the time history data, press the history key. You will now be presented with the history data from the first history record. The data is presented in the following format: a r m s 0 : 0 0 : 0 ...
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Hvm100 manual history key 7-5 use the uandd arrow keys to select additional history records, and use the r and l arrow keys to select data from the different channels. U u u viewing time history with 2nd history turned on if the 2nd history selection is turned on, the history buffer will alternate b...
Page 83: Data Key
7-6 data key hvm100 manual u data key note: to view each selection, first press the c key , and then press the rlu or d arrow key to scroll through each selec- tion. The data key is used to view the overall data being gath- ered by the instrument. There are 8 screens available in the data menu. To s...
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Hvm100 manual data key 7-7 additional data view screens for hand arm mode the 6th and 7th screens report the energy equivalent levels averaged over the run time. 1, 2, 4, and 8 refer to the run time in hours. (a (8) is the energy equivalent level projected over 8 hours) a ( 1 ) . 0 0 1 0 4 a ( 2 ) ....
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7-8 data key hvm100 manual when the measurement is finished, the points display for the hand arm mode will appear as show to the right. The bar symbol in the upper right changes to the standard “stopped” symbol. P e 0 : 0 1 : 0 0 : 2 ( 8 ) : 8 7 8 note that both the points accumulated during the tes...
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Hvm100 manual data key 7-9 note: the vibration dose value (vdv), specified by iso 8041:2005 and calcu- lated by the hvm100, has units of m/s 7/4 . The hvm100 is also capable of display- ing vdv in cm/s 7/4 , ft/s 7/4 , or in/s 7/4 (using the display units parameter). However, if display units are se...
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7-10 data key hvm100 manual.
Page 88: Batteries
Hvm100 manual powering the hvm100 8-1 c h a p t e r 8 powering the hvm100 batteries the hvm100 operates on 2 aa batteries. See appendix a for information on typical battery life. Checking the remaining battery voltage the battery voltage can be viewed from the data menu by pressing the c key. The fo...
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8-2 installing new batteries hvm100 manual step 2 remove old batteries. Step 3 arrange new batteries according to diagram on the inside of the case. Make sure polarity of the batter- ies is correct..
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Hvm100 manual installing new batteries 8-3 step 4 gently push the new batteries in the case while pushing the battery cover over the battery opening..
Page 91: Using External Power
8-4 using external power hvm100 manual using external power the hvm100 can also operate on 7 to 30 volts dc external power. The external power connector is on the top of the hvm100. The power supply normally used with the hvm100 is the larson davis psa027. This is a switching power supply that will ...
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Hvm100 manual using external power 8-5 the connector pinout is as follows: negative (-) positive (+) positive (+) negative (-).
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8-6 using external power hvm100 manual.
Page 94
Hvm100 manual connections on the hvm100 9-1 c h a p t e r 9 connections on the hvm100 there are 4 connectors located on the outside case of the hvm100. The serial port, input connector, external power connector, and ad/dc output connector. External power input connector serial port top connectors on...
Page 95: Serial Interface Port
9-2 serial interface port hvm100 manual serial interface port the serial port is used for communicating with the hvm100. The serial port also provides the printer connection. Pinout the pinout is as follows, 8 4 5 6 2 3 1 7 pin num- ber description 1 - rts request to send 2 - cts clear to send 3 - t...
Page 96: Cables Used
Hvm100 manual serial interface port 9-3 cables used the standard cable used with the hvm100, is the cbl006. This is a serial connection cable and can be used when communicating through software or printing to a hyperterminal connection. 8 - n/c no connection the shell of the connector is connected t...
Page 97: Transducer Connection
9-4 transducer connection hvm100 manual transducer connection the transducer connection is the input connection into the hvm100. It is located on the top of the hvm100 case. The connector used is a standard 4-pin lemo ® connector. Pinout the pinout is a follows, 3 4 1 2 pin # description 1 z - axis ...
Page 98: External Power Connection
Hvm100 manual external power connection 9-5 external power connection the hvm100 can also operate on 7 to 30 volts dc external power. The external power connector is on the top of the hvm100. Pinout the connector pinout is as follows: larson davis adapter the power supply normally used with the hvm1...
Page 99: Ac/dc Output Connector
9-6 external power connection hvm100 manual ac/dc output connector ac output is useful for frequency analysis by an external analyzer or for recording in a tape recorder. The dc output is useful for a chart recorder, or to measure the voltage proportional to the rms or peak value. The dc output is u...
Page 100: Pinout
Hvm100 manual external power connection 9-7 pinout the ac/dc output connector is a 5 pin switchcraft ® connector located on the bottom edge of the instrument. The pinout is as follows: the signal that is output on each pin is selectable for each channel. The selections are the same for each channel....
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9-8 external power connection hvm100 manual.
Page 102: Conclusion
Hvm100 manual 10-1 c h a p t e r 10 adaptor resonances in this chapter are presented frequency response function data for adaptors adp080a, adp081a and adp082a as required by iso 8041:2005 conclusion experimental measurements indicate no resonances within the wh frequency range for the adaptors adp0...
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10-2 conclusion hvm100 manual adp080a (hand adapter with sen04xf accelerometer) adp081a (handle adapter with sen04xf accelerometer) adp082a (clamp adapter with sen04xf accelerometer).
Page 104: Measurements
Hvm100 manual measurements 10-3 measurements frequency response the frequency response measurements were performed by suspending the test object and exciting it with a modal hammer. The responses were measured in x, y and z directions using a triaxial accelerometer connected to the test object using...
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10-4 measurements hvm100 manual frequency response function x, y and z.
Page 106: Adp081A + Sen041
Hvm100 manual measurements 10-5 adp081a + sen041 frequency response function x, y and z.
Page 107: Adp082A + Sen041
10-6 measurements hvm100 manual adp082a + sen041 frequency response function x, y and z.
Page 108: General Characteristics
Hvm100 manual specifications a-1 a p p e n d i x a specifications specifications are subject to change without notice. Numerical values given are typical. Refer to specific calibration or test results for accurate data on a specific unit. General characteristics type precision the larson davis hvm10...
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A-2 general characteristics hvm100 manual comfort in fixed-guideway transport systems iso 5349-1:2001 mechanical vibration -- measurement and evaluation of human exposure to hand-transmitted vibration -- part 1: general requirements iso 5349-2:2001 mechanical vibration -- measurement and evaluation ...
Page 110
Hvm100 manual general characteristics a-3 • capable of storing 100 files and 10 setups • 2 minute (typical) data retention for clock during battery change data communications • rs-232 serial interface • maximum data rate: 115,000 bits per second digital display • 2 line, 32 digit, 7 segment lcd disp...
Page 111: Declaration of Conformity
A-4 general characteristics hvm100 manual declaration of conformity pcb piezotroncs inc. Declares that: • product name: human vibration meter • model: hvm100 the model hvm100 human vibration meter complies with the european community emc directive (2004/108/ec) and also with the low voltage safety d...
Page 112: Outputs
Hvm100 manual general characteristics a-5 (2) this device must accept any interference received, including interference that my cause undesired operation. Outputs the output impedance is 475 ohms for all of the analog ac and analog dc outputs. For minimal error, use instrument with a greater than 10...
Page 113: Functions Measured
A-6 general characteristics hvm100 manual charge input functions measured reference acceleration the reference acceleration (for displaying data in db) is 10 -6 m/s 2 . The user can also select a reference of 10 -5 m/s 2 (see section 4-3 of the manual for an explanation of how to select the referenc...
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Hvm100 manual general characteristics a-7 reference calibration frequency reference calibration vibration the reference calibration vibration is 1 m/s 2 operating mode frequency weighting reference calibration frequency vibration fa (0.4 hz to 100 hz) ws (severity) fb (0.4 hz to 1250 hz) fc (6.3 hz ...
Page 115: Frequency Weighting Curves
A-8 frequency weighting curves hvm100 manual frequency weighting curves fa (flat 0.4 hz to 100 hz) freq ( hz) nominal freq ( hz) true fa db tolerance db 0.100 0.1000 -24.10 +2/ - 0.125 0.1259 -20.12 +2/ - 0.160 0.1585 -16.19 +2/ - 0.200 0.1995 -12.34 +2/ - 0.250 0.2512 -8.71 +2/-2 0.315 0.3162 -5....
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Hvm100 manual frequency weighting curves a-9 fb (flat 0.4 hz to 1260 hz) frequency weighting 16.0 15.85 0.00 +1/-1 20.0 19.95 -0.01 +1/-1 25.0 25.12 -0.02 +1/-1 31.5 31.62 -0.04 +1/-1 40.0 39.81 -0.11 +1/-1 50.0 50.12 -0.27 +1/-1 63.0 63.10 -0.64 +1/-1 80.0 79.43 -1.46 +1/-1 100 100.0 -3.01 +1/-1 12...
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A-10 frequency weighting curves hvm100 manual 0.400 0.3981 -3.05 +1 / -1 0.500 0.5012 -1.48 +1 / -1 0.630 0.6310 -0.65 +1 / -1 0.800 0.7943 -0.27 +1 / -1 1.00 1.000 -0.11 +1 / -1 1.25 1.259 -0.04 +1 / -1 1.60 1.585 -0.02 +1 / -1 2.00 1.995 -0.01 +1 / -1 2.50 2.512 0.00 +1 / -1 3.15 3.162 0.00 +1 / -...
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Hvm100 manual frequency weighting curves a-11 125 125.9 0.00 +1 / -1 160 158.5 0.00 +1 / -1 200 199.5 0.00 +1 / -1 250 251.2 -0.01 +1 / -1 315 316.2 -0.02 +1 / -1 400 398.1 -0.04 +1 / -1 500 501.2 -0.11 +1 / -1 630 631.0 -0.27 +1 / -1 800 794.3 -0.64 +1 / -1 1000 1000 -1.46 +2 / -2 1250 1259 -3.01 +...
Page 119
A-12 frequency weighting curves hvm100 manual fc (flat 6.3 hz to 1260 hz), wh, and ws frequency weighting. Freq ( hz) nominal freq ( hz) true fc db wh db tolerance db ws db tolerance db 0.800 0.7943 -36.00 -36.00 +2 / - -76.00 +4 / - 1.00 1.000 -32.00 -31.99 +2 / - -68.00 +4 / - 1.25 1.259 -28.01 -2...
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Hvm100 manual frequency weighting curves a-13 wm, wc, and wd frequency weightings 160 158.5 0.00 -19.94 +1 / -1 0.00 +1 / -1 200 199.5 0.00 -21.95 +1 / -1 0.00 +1 / -1 250 251.2 -0.01 -23.96 +1 / -1 0.00 +1 / -1 315 316.2 -0.02 -25.98 +1 / -1 0.00 +1 / -1 400 398.1 -0.04 -28.00 +1 / -1 0.00 +1 / -1 ...
Page 121
A-14 frequency weighting curves hvm100 manual 0.160 0.1585 -23.98 -16.19 -16.18 +2 / - 0.200 0.1995 -20.23 -12.34 -12.32 +2 / - 0.250 0.2512 -16.71 -8.71 -8.68 +2 / -2 0.315 0.3162 -13.51 -5.51 -5.47 +2 / -2 0.400 0.3981 -10.98 -3.05 -2.98 +1 / -1 0.500 0.5012 -9.53 -1.47 -1.37 +1 / -1 0.630 0.6310 ...
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Hvm100 manual frequency weighting curves a-15 we, wj, and wk frequency weighting 50.0 50.12 -10.09 -16.15 -28.24 +1 / -1 63.0 63.10 -12.43 -18.55 -30.62 +1 / -1 80.0 79.43 -15.34 -21.37 -33.43 +1 / -1 100 100.0 -18.72 -24.94 -36.99 +1 / -1 125 125.9 -23.00 -29.39 -41.43 +2 / -2 160 158.5 -28.56 -34....
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A-16 frequency weighting curves hvm100 manual 1.60 1.585 -3.91 -6.32 -6.13 +1 / -1 2.00 1.995 -5.80 -6.34 -5.50 +1 / -1 2.50 2.512 -7.81 -6.22 -3.97 +1 / -1 3.15 3.162 -9.85 -5.60 -1.86 +1 / -1 4.00 3.981 -11.89 -4.08 -0.31 +1 / -1 5.00 5.012 -13.93 -1.99 +0.33 +1 / -1 6.30 6.310 -15.95 -0.47 +0.46 ...
Page 124
Hvm100 manual frequency weighting curves a-17 wg frequency weighting (defined in bs6841:1987) freq ( hz) nominal freq ( hz) true wg db tolerance db 1.00 1.00 -7.5 +1 / -1 1.25 1.26 -6.0 +1 / -1 1.60 1.59 -4.6 +1 / -1 2.00 2.00 -3.4 +1 / -1 2.50 2.51 -2.2 +1 / -1 3.15 3.16 -0.9 +1 / -1 4.00 3.98 -0.0...
Page 125
A-18 frequency weighting curves hvm100 manual wm (whole body) frequency weighting freq ( hz) nominal freq ( hz) true wm db tolerance db 0.100 0.100 -36.00 +2 / - 0.125 0.1259 -32.00 +2 / - 0.160 0.1585 -28.01 +2 / - 0.200 0.1995 -24.02 +2 / - 0.250 0.2512 -20.05 +2 / - 0.315 0.3162 -16.12 +2 / - 0.4...
Page 126
Hvm100 manual frequency weighting curves a-19 20.0 19.95 -11.25 +1 / -1 25.0 25.12 -13.14 +1 / -1 31.5 31.62 -15.09 +1 / -1 40.0 39.81 -17.10 +1 / -1 50.0 50.12 -19.23 +1 / -1 63.0 63.10 -21.58 +1 / -1 80.0 79.43 -24.38 +2 / -2 100 100.0 -27.93 +2 / -2 125 125.9 -32.37 +2 / -2 160 158.5 -37.55 +2 / ...
Page 127: Typical Measurements Ranges
A-20 frequency weighting curves hvm100 manual typical measurements ranges vibration - fa notes: 1. Under-range (?) - the noise floor is below the measurement range of the analog to digital converter. 2. The data in the above table was obtained by electrically testing the hvm100. Direct charge (1000p...
Page 128
Hvm100 manual frequency weighting curves a-21 vibration - fb, fc, ws notes 1. The data in the above table was obtained by electrically testing the hvm100. Direct charge (1000pf) icp® gain noise floor dbµv rms range dbµv peak range dbµv noise floor dbµv rms range dbµv peak range dbµv noise floor dbµv...
Page 129
A-22 frequency weighting curves hvm100 manual hand arm - wh notes: 1. Under-range (?) - the noise floor is below the measurement range of the analog to digital converter. 2. The data in the above table was obtained by electrically testing the hvm100. Direct charge (1000pf) icp® gain noise floor dbµv...
Page 130
Hvm100 manual frequency weighting curves a-23 whole body - wm notes: 1. Under-range (?) - the noise floor is below the measurement range of the analog to digital converter. 2. The data in the above table was obtained by electrically testing the hvm100. Direct charge (1000pf) icp® gain noise floor db...
Page 131
A-24 frequency weighting curves hvm100 manual whole body - wc notes: 1. Under-range (?) - the noise floor is below the measurement range of the analog to digital converter. 2. The data in the above table was obtained by electrically testing the hvm100. Direct charge (1000pf) icp® gain noise floor db...
Page 132
Hvm100 manual frequency weighting curves a-25 whole body - wd, we notes: 1. Under-range (?) - the noise floor is below the measurement range of the analog to digital converter. 2. The data in the above table was obtained by electrically testing the hvm100. Direct charge (1000pf) icp® gain noise floo...
Page 133
A-26 frequency weighting curves hvm100 manual whole body - wg notes: 1. Under-range (?) - the noise floor is below the measurement range of the analog to digital converter. 2. The data in the above table was obtained by electrically testing the hvm100. Direct charge (1000pf) icp® gain noise floor db...
Page 134
Hvm100 manual frequency weighting curves a-27 whole body - wm, wj, wk notes: 1. Under-range (?) - the noise floor is below the measurement range of the analog to digital converter. 2. The data in the above table was obtained by electrically testing the hvm100. Direct charge (1000pf) icp® gain noise ...
Page 135
A-28 frequency weighting curves hvm100 manual.
Page 136: Table of Equations
Hvm100 manual glossary b-1 a p p e n d i x b glossary the following appendix contains definitions and explana- tions of terminology used in the hvm100 table of equations the following table gives many of the calculations the hvm performs to arrive at the results reported by the instrument. Descripti...
Page 137
B-2 table of equations hvm100 manual allowed exposure time energy equivalent rms acceleration the hvm100 measures the following quantities: running rms acceleration linear integration time, in seconds. T o = observation time the linear arms integration time is controlled by the averaging time se...
Page 138
Hvm100 manual table of equations b-3 running rms acceleration exponential time constant of the measurement. An averaging time of slow is equivalent to a time constant of 1 second. Vibration dose value the vdv integration time is from run to reset; the display is updated once per second. The vdv ...
Page 139
B-4 table of equations hvm100 manual short term maximum peak peak = peak level of the instantaneous weighted acceleration, a w (t); measured during one averaging time period. The peak measurement period is controlled by the averaging time setting; a new peak value is calculated and displayed at the ...
Page 140: Setup and Query Commands
Hvm100 manual serial interface commands c-1 a p p e n d i x c serial interface commands the hvm100 is equipped with a serial port for communica- tions with any standard rs-232 device. The most common use for this interface would be to either print, or to create a custom software program that can int...
Page 141: Syntax For Query Commands
C-2 system parameters (q’s and s’s) hvm100 manual the hvm100 returns an ‘ok’ for valid setup commands and ‘na’ for invalid commands. Syntax for query commands the syntax for a query command is qnn. The nn specifies the parameter to be queried. The hvm100 responds to a query command by returning the ...
Page 142: Mode Specific Parameters
Hvm100 manual system parameters (q’s and s’s) c-3 mode specific parameters the following parameters are dependent on which operating mode is selected: s8, . . . Report header 2 . . . = 1 to 16 characters s9, i baud rate i = 0 to 3 0 = 2400 1 = 9600 2 = 38.4k 3 = 115.2k note: the baud rate change tak...
Page 143
C-4 system parameters (q’s and s’s) hvm100 manual s22, i gain x i = 0 to 3 0 = 0 1 = 20 2 = 40 3 = 60 i = 0 to 3 0 = 0 1 = 20 2 = 40 3 = 60 i = 0 to 3 0 = 0 1 = 20 2 = 40 3 = 60 s23, i gain y i = 0 to 3 0 = 0 1 = 20 2 = 40 3 = 60 i = 0 to 3 0 = 0 1 = 20 2 = 40 3 = 60 i = 0 to 3 0 = 0 1 = 20 2 = 40 3...
Page 144
Hvm100 manual system parameters (q’s and s’s) c-5 s31, i display units i = 0 to 5 0 = m/s 2 1 = cm/s 2 2 = ft/s 2 3 = in/s 2 4 = g 5 = db i = 0 to 5 0 = m/s 2 1 = cm/s 2 2 = ft/s 2 3 = in/s 2 4 = g 5 = db i = 0 to 5 0 = m/s 2 1 = cm/s 2 2 = ft/s 2 3 = in/s 2 4 = g 5 = db s32, i integration i = 0 to ...
Page 145
C-6 system parameters (q’s and s’s) hvm100 manual s38, i weighting y i = 0 to 3 0 = ws 1 = fa 2 = fb 3 = fc not used (only wh weighting is available.) i = 5 to 11 5 = wm 6 = wb 7 = wc 8 = wd 9= we 10= wg 11 = wj 12 = wk s39, i weighting z i = 0 to 3 0 = ws 1 = fa 2 = fb 3 = fc not used (only wh weig...
Page 146
Hvm100 manual system parameters (q’s and s’s) c-7 s41, i ac/dc output y i = 0 to 9 0 = ac: weighted 1 = ac: bandlimit 2 = dc: rms 3 = dc: min 4 = dc: max 5 = dc: peak 6 = dc: rms 7 = dc: min 8 = dc: max 9 = dc: peak i = 0 to 9 0 = ac: weighted 1 = ac: bandlimit 2 = dc: rms 3 = dc: min 4 = dc: max 5 ...
Page 147
C-8 system parameters (q’s and s’s) hvm100 manual s46 sensitivity x enter command as s46,n.Nnne±nn n.Nnne±nn = sensitivity of accelerometer. Units: mv/g for direct and icp ® pc/g for charge n.Nnne±nn = sensitivity of accelerometer. Units: mv/g for direct and icp. Pc/g for charge n.Nnne±nn = sensitiv...
Page 148: Read Data Commands
Hvm100 manual read data commands c-9 read data commands note: an r1 command returns the fol- lowing data: larson davis hvm100 nnnnn rev x.Xx (nnnnn is the 5 digit serial number and x.Xx is the firmware revision).Not to be confused with rx1, ry1, rz1 or rs1. The read commands are used to read data fr...
Page 149: Read Time History Commands
C-10 read time history commands hvm100 manual read time history commands the read time history commands are used to read data from the time history buffer. The syntax for this command is hcnnn,i. The c indicates which channel to read (x, y, z, or s). The nnn is an index for indicating which sample t...
Page 150
Hvm100 manual read time history commands c-11 h4 history: minute mm (00 to 59) h5 history: second ss (00 to 59) h6 number of samples 000 to 239 h7 number of wraps returns the number of times the buffer has been completely filled. After the buffer is filled, new data is simply written over the existi...
Page 151: Control Commands
C-12 control commands hvm100 manual control commands command description notes m0 status this command returns 3 ascii bytes separated by commas (i.E. Bye1, byte2, byte3). For example, for a status of 4, 3, 7, the 4 indicates that the currently available data (currently dis- played data) is file data...
Page 152
Hvm100 manual control commands c-13 m5, n recall setup n = 0 to 99 hvm100 will recall the setup indicated by n (0 is default). Returns “ok” for valid command. Returns “no” if a setup has never been stored in the nth setup location. M6, n store file n = 0 to 99 hvm100 will store a file in the locatio...
Page 153
C-14 control commands hvm100 manual.
Page 154
Hvm100 manual frequency response curves d-1 a p p e n d i x d frequency response curves the following are typical frequency response curves for the hvm100. Specifications are subject to change without notice. Numerical values given are typical. Refer to specific calibration or test results for accur...
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D-2 hvm100 manual.
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Hvm100 manual d-3.
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D-4 hvm100 manual.
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Hvm100 manual d-5 note: wm filter, compatible with iso 6954-2000, merchant ship vibration, was previously referred to as “wb.”.
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D-6 hvm100 manual.
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Hvm100 manual d-7.
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D-8 hvm100 manual.
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Hvm100 manual d-9.
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D-10 hvm100 manual.
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Hvm100 manual d-11.
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D-12 hvm100 manual.
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Hvm100 manual d-13.
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D-14 hvm100 manual.
Page 168: Dc Output Calibration
Hvm100 manual miscellaneous information e-1 a p p e n d i x e miscellaneous information this appendix contains additional information about the ac and dc outputs and measurement ranges for hand-arm and whole body measurements. Dc output calibration since the sensitivity will vary a little from unit ...
Page 169
E-2 dc output calibration hvm100 manual nels) based on the sensitivity of the accelerometer. The values in the table assume that a calibrator that vibrates 1g rms and 159.15 hz, will be used. Gain setting for various accelerometer sensitivities step 4 connect a dc rms voltmeter to the dc output. Ste...
Page 170: Ac/dc Outputs
Hvm100 manual ac/dc outputs e-3 note: using the typical values of 600 mv (1g) and 500 mv (0.1g), the calculated sensitivity would be 5 mv/db. Note that the sensitivity is the same regardless of the dc output setting (i.E. Rms, sum, min, max, peak). Step 11 to convert a dc output voltage to units of ...
Page 171: Ac Output
E-4 ac/dc outputs hvm100 manual since the sensitivity is fixed at approximately 5 mv/db, the dc output signal is not affected by the user’s selection for “display units” or the user’s selection of the db reference value (i.E. 10 -6 m/s 2 or 10 -5 m/s 2 ). The dc output is tied directly to the rms, m...
Page 172: Body Measurements
Hvm100 manualtypical measurement ranges for hand-arm and whole body measurements e-5 typical measurement ranges for hand-arm and whole body measurements icp ® accelerometers hand-arm (wh) and whole body (wm, wc, wd, we, wb, wf, wk) hand-arm (wh) 1 mv/g 10 mv/g 100 mv/g gain rms range g peak range g ...
Page 173
E-6 typical measurement ranges for hand-arm and whole body measurements hvm100 whole-body (wm, wg) whole-body (wc, wd, we) whole-body (wb, wf, wk) notes 1. The data in the above tables was calculated using the dbuv range data in the hvm100 user manual. 2. The data in the above table was obtained by ...
Page 174: Vibration Measurements
Hvm100 manualtypical measurement ranges for general purpose vibration measurements e-7 typical measurement ranges for general purpose vibration measurements icp ® accelerometers fa, fb, fc, ws weighting fa weighting 1 mv/g 10 mv/g 100 mv/g gain rms range g peak range g rms range g peak range g rms r...
Page 175
E-8 typical measurement ranges for general purpose vibration measurements hvm100 fb, fc, ws weighting notes 1. The data in the above tables was calculated using the dbuv range data in the hvm100 user manual. 2. The data in the above table was obtained by electrically testing the hvm100. 3. The data ...
Page 176: Serial Number Reset
Hvm100 manual serial number backup f-1 a p p e n d i x f serial number backup setting serial number backup the first time the hvm is booted up after having the serial number programmed, the code will detect that the backup copies are blank and set them. The following display will appear at this time...
Page 177
F-2 hvm100 manual failure of serial number reset note: there is an extremely low probability that this condition will occur. However, it is documented here for your reference. If there is not a two-of-three agreement between any of the serial number copies, the following two displays will appear in ...