Operating Manual V8.2/03.2017
Non Invasive Road Sensor
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany
39
19 Appendix
19.1 Channel List Summary
The channel assignment described here applies to online data requests in UMB protocol.
UMB Channel
Measuring Range
act
min
max
avg
Measurement Variable (float32)
min
max
unit
Road surface temperature
100
road temperature
-40.0
70.0
°C
101
road temperature
-40.0
158.0
°F
Freezing temperature
110
freezing temp. NaCl
-40.0
0.0
°C
111
freezing temp. NaCl
-40.0
32.0
°F
Water film height
600
water film height
0.0
2000.0
µm
605
water film height
0.0
393.7
mil
Ice layer thickness
601
ice layer thickness
0.0
2000.0
µm
606
ice layer thickness
0.0
393.7
mil
Snow height
610
snow height
0.0
10.0
mm
Ice percentage
800
ice percentage
0.0
100.0
%
Saline concentration
810
saline concent. NaCl
0.0
100.0
%
Road condition
900
road condition (uint8)
0
Dry
1
Damp
2
Wet
3
Ice
4
Snow / ice
5
Chemically wet
6
Critically wet
8
Snow
99
Undefined
Friction
820
friction
0.0
1.0
none
910
road wather index (uint8)
0
normal road weather
1
bad road weather
2
very bad road weather
Service level
4000
service level
-500.0
100.0
%
Remaining time to service
4001
rem. Time to service
-10000.0 10000.0
h
Lamp Status
4002
lamp status
0
Lamp OK
1
Lamp faulty
Device Status
4003
measure status
See page 15
4004
energy consumption ratio
0.0
100.0
%
