MARWIS-UMB / STARWIS-UMB
Operating Manual V 3.3 / 9 Dec 2019
Contents
1 Read before use............................................................................................................................................ 6
1.1 Used symbols........................................................................................................................................ 6
1.2 Safety instructions................................................................................................................................. 6
1.3 Designated use...................................................................................................................................... 6
1.4 Incorrect use.......................................................................................................................................... 6
1.5 Guarantee.............................................................................................................................................. 6
1.6 Brand names......................................................................................................................................... 7
2 Scope of delivery ........................................................................................................................................ 7
3 Part numbers................................................................................................................................................. 7
3.1 MARWIS-UMB....................................................................................................................................... 7
3.2 Accessories............................................................................................................................................ 8
3.3 Spare parts............................................................................................................................................ 8
3.4 Additional documents and software....................................................................................................... 8
4 Equipment description................................................................................................................................... 9
4.1 Road surface temperature..................................................................................................................... 9
4.2 Ambient temperature............................................................................................................................. 9
4.3 Relative humidity2................................................................................................................................. 9
4.4 Dew point temperature........................................................................................................................... 9
4.5 Relative humidity at road temperature...................................................................................................9
4.6 Water film height.................................................................................................................................. 10
4.7 Road condition..................................................................................................................................... 10
4.8 Ice percentage..................................................................................................................................... 10
4.9 Snow Height........................................................................................................................................ 10
4.10 Friction............................................................................................................................................... 10
4.11 Sensor technology MARWIS-UMB / STARWIS-UMB.........................................................................11
4.12 Status-LED........................................................................................................................................ 12
5 Generation of measurements ..................................................................................................................... 12
5.1 Current measurement (act).................................................................................................................. 12
6 Operation modes......................................................................................................................................... 13
6.1 Normal operation................................................................................................................................. 13
7 Measurement output.................................................................................................................................... 14
7.1 Measurements..................................................................................................................................... 14
7.1.1 Road Surface Temperature..........................................................................................................14
7.1.2 AmbientTemperature.................................................................................................................... 14
7.1.3 Relative Humidity4....................................................................................................................... 14
7.1.4 Dew point temperature................................................................................................................ 14
7.1.5 Relative humidity at road temperature.........................................................................................15
7.1.6 Water film height.......................................................................................................................... 15
7.1.7 Water film height on smooth surface............................................................................................15
7.1.8 Road condition............................................................................................................................. 15
7.1.9 Ice percentage............................................................................................................................. 16
7.1.10 Snow Height.............................................................................................................................. 16
7.1.11 Friction....................................................................................................................................... 16
7.2 Additional sensor information............................................................................................................... 17
7.2.1 Device status............................................................................................................................... 17
7.2.2 Measurement status.................................................................................................................... 17
8 Mounting...................................................................................................................................................... 19
8.1 Hints for mounting MARWIS-UMB....................................................................................................... 19
8.2 Hints for mounting STARWIS-UMB...................................................................................................... 19
8.3 Mounting height................................................................................................................................... 19
8.3.1 8900.U03, Mounting with short protective housing, angle 20º.....................................................19
8.3.2 8900.U04, Mounting with short protective housing, angle 20º.....................................................19
8.3.3 8900.U05, Mounting with short protective housing, angle 20º.....................................................20
8.3.4 8900.U03, Mounting with long protective housing, angle 10º......................................................20
8.3.5 8900.U04, Mounting with long protective housing, angle 10º......................................................20
8.3.6 8711.U55, Mounting with short protective housing, angle 20º......................................................20
8.4 Protective housing............................................................................................................................... 22
G. Lufft Mess-und Regeltechnik GmbH
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