Vaisala MD30 Reference Manual
Mobile detector
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Also See for MD30:
- Usage instructions (64 pages) ,
- Setup manual (24 pages) ,
- Reference manual (16 pages)
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Reference
Guide
MD30 maintenance
1
Table 1 MD30 maintenance
Task
Preventive maintenance
Check error messages
Clean surface state sensor window
Clean surface temperature sensor
Replace filter of air temperature and humidity sensor
Perform 3-step calibration (clean, adjust with plate, drive on dry road)
Repair maintenance
Replace air temperature and humidity sensor
Replace surface temperature sensor
For MD30 instructions, including documents and videos, see
https://www.vaisala.com/en/support/md30.
PUBLISHED BY
Vaisala Oyj
Vanha Nurmijärventie 21
FI-01670 Vantaa, Finland
© Vaisala Oyj 2020
Maintenance and Troubleshooting
Vaisala Mobile Detector MD30
1
Surface state sensor
2
Surface temperature sensor MT10
3
Air temperature and humidity sensor HMP113
2
3
All rights reserved. Any logos and/or product names are trademarks of Vaisala or its individual partners.
Any reproduction, transfer, distribution or storage of information contained in this document is strictly
prohibited. All specifications — technical included — are subject to change without notice.
M212309EN-C
Frequency
−
As needed
Annually
Annually
Annually
As needed
As needed
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Summary of Contents for Vaisala MD30
- Page 1 For MD30 instructions, including documents and videos, see https://www.vaisala.com/en/support/md30. PUBLISHED BY All rights reserved. Any logos and/or product names are trademarks of Vaisala or its individual partners. Vaisala Oyj Any reproduction, transfer, distribution or storage of information contained in this document is strictly Vanha Nurmijärventie 21...
- Page 2 Reference Guide M212309EN-C Cleaning surface state sensor window • Cloth • Glass cleaner Clean the surface state sensor window when sensor gives a window contamination warning. For cleaning, the mobile sensor can remain mounted on the vehicle. When cleaning, remove possible dirt, ice, and snow.
- Page 3 Reference Guide M212309EN-C Cleaning surface temperature sensor • Cotton swab • Compressed air or air pump • Glass cleaner Surface temperature sensor Clean the surface temperature sensor annually, or more often if conditions require it. Remove the surface temperature sensor from the body. Apply glass cleaner on the surface temperature sensor.
- Page 4 Reference Guide M212309EN-C Replacing filter of air temperature and humidity sensor • Screwdriver Torx 10 Air temperature and humidity sensor Probe body Filter Replace the filter when it is damaged or dirty. The replacement filter comes with an O ring, but do not use it. Carefully remove the filter from the probe.
- Page 5 Reference Guide M212309EN-C Replacing air temperature and humidity sensor • Electric joint compound • Screwdriver Torx 10 Loosen the 4 screws that hold the temperature sensor in place, pull the air temperature and humidity sensor (HMP) through the holder, and disconnect the sensor cable. Add electric joint compound at the end of the connector of the replacement sensor.
- Page 6 Reference Guide M212309EN-C Replacing surface temperature sensor • Screwdriver Torx 10 Surface temperature sensor Screw (4 pcs) Loosen the 4 screws that hold the temperature sensor in place, remove the sensor, and disconnect the sensor cable. Connect the sensor cable to the replacement sensor. Attach the replacement sensor with 4 screws.
- Page 7 Installation was verified with Road was not completely dry Carry out dry road reference reference plate and mobile sensor when dry road reference was again. See Vaisala Mobile Detector adapted to road surface types, but performed. MD30 Setup Guide. mobile sensor gives inaccurate Road surface type in area of readings.
- Page 8 Reference status: − Verify installation with reference plate and adapt mobile sensor to 0 = OK road surface types. 1 = Invalid or not set Factory calibration status: − Return mobile sensor to Vaisala. 0 = OK 1 = Not calibrated...
- Page 9 Probable cause Actions 17-31 Reserved for future use − − Bit is shown in MD30 interface response data message, not in RoadAI. Reported by MD30 models that have the window contamination feature. Table 5 Status information Message Value Description Not ready to measure 0 = Ready Unit is starting up.
- Page 10 1 = True Verify installation and clean window. 15 - 31 Reserved for future use − Bit is shown in MD30 interface response data message, not in RoadAI. Reported by MD30 models that have the window contamination feature.
- Page 11 Failure to comply with these precautions or with specific warnings elsewhere in these instructions violates safety standards of design, manufacture, and intended use of the product. Vaisala assumes no liability for the customer's failure to comply with these requirements. WARNING! Do not substitute parts or modify the system, or install unsuitable parts in the system.
- Page 12 Replace filter of air temperature Replacing filter of air temperature and humidity sensor and humidity sensor (page 4) Perform 3-step calibration See Vaisala Mobile Detector MD30 Setup Guide As needed Clean surface state sensor window Cleaning surface state sensor window (page 2)