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Summary of Contents for Sensit VMD
- Page 1 SENSIT ® & O ETUP PERATING NSTRUCTIONS...
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Page 2: For Your Safety
WARNING: When not in use refer to transport position recommendation to prevent potential damage. WARNING: While the VMD is weather resistant, it is recommended to remove the instrument and store it in the vehicle when necessary to avoid prolonged exposure to extreme weather (i.e. heavy rain or snow). -
Page 3: Table Of Contents
Import Data into SCAL ..................................21 Troubleshooting ....................................22 Communication Issues and Re-Pairing Bluetooth Connection ....................... 22 Double Check the Following Items: ............................22 Power Cycle VMD and Tablet ..............................22 Re-Pairing Bluetooth Connection ............................... 23 Notes ........................................25 Warranty ......................................28... -
Page 4: Parts And Accessories
Tablet Bluetooth antenna 385-00159 Tablet Bluetooth antenna extension cable (right angle) 330-00097 Tablet Bluetooth antenna clamp 360-00471 Tablet GPS antenna 385-00114 VMD power harness assembly 385-00160 Tablet vehicle power supply 360-00517 Tablet dock 882-00092-SN Calibration cell (with mounting arm and thumbscrew) 882-00137... -
Page 5: Product And Technology Description
PRODUCT AND TECHNOLOGY DESCRIPTION SENSIT VMD is a vehicle-mounted natural gas leak survey instrument. It uses IR Absorption Spectroscopy technology SENSIT VMD for extremely accurate and consistent readings that are entirely methane specific. The uses an open-path system, which consists of 2 modules that are mounted on a bar. One half emits a light source, which travels through the space between the modules into the other half which receives the signal. -
Page 6: Specification
4 ft. to 8 ft. path length (5 ft. Standard) Tablet Weight: 1.94lbs (0.88kg) 8.93” x 5.94” x 0.94” (227 x 151 x 24mm) Tablet Size: VMD Weather Resistance: IP54 Tablet Weather Resistance: IP65 Operating Temperature Range: -20˚F to 122˚F... -
Page 7: Explanation Of Ppm/M
EXPLANATION OF PPM/M SENSIT VMD displays its readings in parts per million per meter. This is a representation of the average gas concentration over 1 meter, or roughly 3.3 feet. Many types of IR and laser based technology in the industry uses this standard. -
Page 8: Installation
Insert the pin and install and tighten the hitch stabilizer. The hitch stabilizer tightens the L-bracket to the hitch, and therefore the frame of the vehicle. This ensures that no extra vibrations are transferred to the VMD. - Page 9 INSTALLATION 3. Ensure that the jam bolt is backed out from the bracket that is mounted to the . Slide the and mounting bracket over the L-bracket, lower the to the desired position, and insert the pin. Tighten the jam bolt. It is recommended to use an anti-seize compound on the jam bolt.
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Page 10: Install Tablet Computer
There are various methods for mounting the tablet computer. There is not a universal mounting system that will fit all vehicles, and therefore Sensit does not provide a full tablet mounting solution. What is provided is a ball-joint bracket and mounting arm. -
Page 11: Getac Tablet Connections
ETAC ABLET ONNECTIONS SENSIT VMD The provided tablet for the is the Getac T800. Also provided is a dock for the tablet, which has pass-through connections for the Bluetooth and GPS signals. The antennas for each is attached to SMA connectors on the bottom of the dock. -
Page 12: User Interface
USER INTERFACE SENSIT VMD The user interface of the is controlled by a tablet computer with a touch screen. The instrument streams all data over Bluetooth to the tablet, where it is displayed in real time (200ms sample time). The majority of the screen is reserved for survey data to be displayed. The bottom and left parts of the screen have command buttons that can be used as needed. -
Page 13: Description Of Interface Buttons
USER INTERFACE ESCRIPTION OF NTERFACE UTTONS Main Function buttons (bottom of screen): Function Buttons (left side of screen) POWER SHUT DOWN CLOSE Shuts off the . Does not close the application or Closes the application but does not shut off the shut off the tablet. - Page 14 USER INTERFACE Display modes / menu tabs (top of screen): Other buttons (upper right of screen): NORMAL WARMUP CALIBRATE Initial startup and warmup screen. Only shown after Starts the calibration process. The user will be first power on and while the instrument is warming up. prompted to place the calibration cell on the Outputs basic sensor information.
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Page 15: User Setup Tab
USER INTERFACE ETUP The user setup tab contains settings and configuration options that are available to the user at any time, as well as calibration information. It is accessed by selecting the user setup tab from the top of the screen. The survey must be stopped in order to access it. -
Page 16: Operation And Use
OPERATION AND USE WARNING: Always start any SENSIT VMD in a gas free environment to ensure a proper zero. 1. Activate the computer by pressing the button located on the lower right hand side of the housing. The system will boot a. -
Page 17: Calibration
CAL FAIL a. If calibration failed, will be displayed. Attempt calibration again. If calibration continues to fail, contact Sensit Technologies Service Department for assistance. : In certain scenarios, if calibration fails, the instrument may need to have an advanced calibration NOTE... -
Page 18: Advanced Calibration
Afterwards, the calibration will be complete. READY a. If calibration is successful, will be displayed. FAIL b. If calibration failed, will be displayed. Attempt calibration again. calibration continues to fail, contact Sensit Technologies Service Department assistance. -
Page 19: Plotting Surveys
PLOTTING SURVEYS SENSIT VMD saves a data log file for every survey conducted. These files will contain the date, time, ppm/m reading, and GPS coordinates if available. With valid GPS coordinates, these files can be converted to .kml format and viewed with mapping software. -
Page 20: Pairing A Pmd
SENSIT VMD When ordered as a system, the will be shipped already paired from the factory. If for some reason this needs to be done in the field, contact Sensit Technologies for assistance. -
Page 21: Importing Calibration Data Into Scal
This data will then be incorporated into the database and can appear on reports with all other instruments in the system. If you are SCAL unfamiliar with and would like more information, contact SENSIT Technologies. XPORT ATA FROM ABLET TO... -
Page 22: Troubleshooting
AIRING LUETOOTH ONNECTION SENSIT VMD In rare cases the may have issues connecting to the tablet, in which case the user will receive a communication error when they attempt to power on the instrument. Follow the steps below to correct the issue. -
Page 23: Re-Pairing Bluetooth Connection
TROUBLESHOOTING AIRING LUETOOTH ONNECTION 1. Remove the error message by hitting CLOSE 2. Close the application by hitting the button in the upper left of the screen. 3. Select the Bluetooth icon in the system tray in the lower right of the screen. - Page 24 9. Double click the icon on the desktop to restart the application. POWER ON 10. Select the button. The should connect and the warmup process should begin. a. If you still receive a connection error, contact Sensit Technologies for assistance.
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Page 25: Notes
NOTES... - Page 26 NOTES...
- Page 27 NOTES...
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Page 28: Warranty
Proof of purchase may be required before warranty is rendered. Units out of warranty will be repaired for a service charge. Internal repair or maintenance must be completed by a SENSIT T ECHNOLOGIES authorized technician.
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