MD30 measurements - MD30

Vaisala Mobile Detector MD30 Reference Guide

Document code
M212339EN
Revision
C
Language
English (United States)
Product
MD30
Document type
User guide
  • When using RoadAI services, the default settings are the following (not adjustable):
    • The data transfer interval from the mobile sensor to RoadAI is 100 ms.

      The RoadAI phone app shows data with a 200 ms interval.

  • When implementing the MD30 interface, you can set the data transfer interval from the mobile sensor to the data collection system to 25 ms ... 5 s.

    For more information, see Vaisala Mobile Detector MD30 Interface Description.

Table 1. MD30 measurements
Measurement parameter Unit 1 Description/Value Measurement interval
Grip 0 ... 1 25 ms
Surface state

Dry, moist, wet, snowy, icy, slushy

25 ms
Surface layer thickness mm/in 25 ms
Surface temperature °C/°F

Freely configurable offset 1

150 ms
Air temperature °C/°F

Freely configurable offset 1

1 s
Dew/frost point temperature °C/°F 1 s
Relative humidity %RH 1 s
1 Available in MD30 interface.