Vaisala MD30 Reference Manual
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Vaisala MD30 Reference Manual

Mobile detector
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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 the MD30 spare parts and accessories, see Vaisala Mobile Detector MD30 Product Description
Reference Guide.
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 2021
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-D
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: Safety Information

    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 3 Clean also 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. More information ‣ MD30 maintenance (page 1) ‣ MD30 maintenance checklist (page 15)
  • Page 4 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. More information ‣ MD30 maintenance (page 1) ‣ MD30 maintenance checklist (page 15)
  • Page 5 Without delay, install the new filter carefully on the air temperature and humidity sensor. Rotate the filter clockwise, making sure the filter sits straight and meets the threads properly. More information ‣ MD30 maintenance (page 1) ‣ MD30 maintenance checklist (page 15)
  • Page 6 Connect the sensor cable to the replacement sensor. Remove the yellow cover from the replacement sensor. Push the replacement sensor through the holder and attach the holder with 4 screws. More information ‣ MD30 maintenance (page 1) ‣ MD30 maintenance checklist (page 15)
  • Page 7 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. More information ‣ MD30 maintenance (page 1) ‣ MD30 maintenance checklist (page 15)

  • Page 8: Led Information

    Check the status information and error bits and act error state on any open errors. Checking error information Check the status and error information from RoadAI or through the MD30 interface. • In the RoadAI app: • For sensor-related errors, scroll right in the measurement grid to see fields unit status and error status.
  • Page 9 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 10: Error Bits

    Return 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. Reported by MD30 models that have the window contamination feature.
  • Page 11 Reference Guide M212309EN-D The reference setting cannot be started or is interrupted if an error is detected and indicated by bits 3 ... 14, or 16. More information ‣ MD30 troubleshooting (page 8) ‣ Status information (page 12)

  • Page 12: Status Information

    Reference Guide M212309EN-D Status information The status information is used to indicate the current status of the mobile sensor and to issue warnings. The status information is reported in the , and GET UNIT STATUS SEND DATA SET REFERENCES messages. Table 5 Status information Message Value...
  • Page 13 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. Reference setting cannot be started if status info bit 0, 1, or 2 is set.

  • Page 14: Recycling Information

    M212309EN-D Recycling information These recycling instructions guide you on the end-of-life treatment of this Vaisala product. As waste regulations and infrastructure vary in each country, these instructions only indicate the different components to be separated and common ways to handle them. Always follow local requirements when disposing of the product.
  • Page 15 Replace filter of air temperature Replacing filter of air temperature and humidity sensor and humidity sensor (page 5) Perform 3-step calibration See Vaisala Mobile Detector MD30 Setup Guide As needed Clean surface state sensor window Cleaning surface state sensor window (page 3)

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