Vaisala MD30 Reference Manual
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Vaisala MD30 Reference Manual

Mobile detector
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Reference
Guide

MD30 Maintenance

Table 1 MD30 Maintenance
Task
Check error messages
Clean surface state sensor window
Clean surface temperature sensor
Replace air temperature and humidity sensor filter

Cleaning Surface State Sensor Window

•
Cloth
•
Glass cleaner
1
Surface state sensor
2
Window
3
Hood
Clean the window daily before use. For cleaning, the mobile sensor can remain mounted on the
vehicle.
Check the surface state sensor before use and after car wash, and clean if necessary. Check the surface
state sensor more often if the conditions require it. When cleaning, remove possible dirt, ice, and snow.
PUBLISHED BY
Vaisala Oyj
Vanha Nurmijärventie 21
FI-01670 Vantaa, Finland
© Vaisala 2019
Maintenance and Troubleshooting
Vaisala Mobile Detector MD30
2
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.
Frequency
−
As needed
Annually
Annually
1
3
M212309EN-A

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Summary of Contents for Vaisala MD30

  • Page 1 When cleaning, remove possible dirt, ice, and snow. 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-A Remove the hood by turning it counterclockwise. Apply glass cleaner on the window of the surface state sensor. Clean with a soft, lint-free cloth. Clean the hood. Attach the hood to the body by turning the hood clockwise. Make sure that the markings in the hood and sensor body are aligned.
  • Page 3 Reference Guide M212309EN-A Apply glass cleaner on the surface temperature sensor. Insert a cotton swab in the thread and turn it clockwise. Remove the cotton swab by turning it counterclockwise in the thread. If required, use compressed air or an air pump. Attach the surface temperature sensor to the body.
  • Page 4 Plate was not clean and dry during Carry out the plate adjustment. plate calibration. See Vaisala Mobile Detector MD30 Setup Guide. Plate was not positioned correctly during plate calibration. Calibration gets stuck or does not There is an active error.
  • Page 5 1 = Invalid or not set types. Factory calibration status: − Return the mobile sensor to Vaisala. 0 = OK 1 = Not calibrated 17-31 Reserved for future use − − Bit is shown in MD30 interface response data message, not in RoadAI.
  • Page 6 Reference Guide M212309EN-A Table 5 Status Information Message Value Description Not ready to measure 0 = Ready Bit 0 is set only when unit is started up. The flag is cleared 1 = Not ready when the unit has reached fully operational status for the first time.
  • Page 7 Unit operational, but surface layer thickness results measurement data may be invalid. 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.
  • Page 8 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.

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