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Operating Manual V8.2/03.2017
Non Invasive Road Sensor
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany
21
Fig. 7: Installation
Sketch Gantry
8.3.4
Installation Sketch Gantry
Lateral view from the side of the road.
Measurement distance c:
6 to 15m
Measurement angle α:
between 45 and 85°
Measurement surface diameter d = measurement distance c / 10
c
α
Direction of
traffic
Traffic
sign
NIRS31-UMB
d
Road surface