Operating Manual V8.2/03.2017
Non Invasive Road Sensor
34
G. Lufft Mess- und Regeltechnik GmbH, Fellbach, Germany
15 Technical Data
Power supply:
12 - 24VDC +/- 10%
Power input:
40 VA
ca. 15 VA in Energy Saving Mode
Current consumption:
approx. 1.65 A at 24VDC
Inrush current:
approx. 32A (50µs) at 24VDC
Note: the current consumption increases depending of the cable length!
E.g. with the 15 meter cable (8371.UK015):
Current consumption:
approx. 1.75 A
Sensor dimensions:
Height 425 mm
Width 225 mm
Depth 285 mm
Sensor weight:
approx. 9.9 kg
Mast bracket weight:
approx. 1.0 kg
Fastening:
Mast bracket for Ø 60 - 76mm
Protection class:
III (SELV)
Protection type:
IP65
Storage conditions
Permissible storage temperature:
-40°C ... +70°C
Permissible relative humidity:
0 ... 95% R.H. non-condensing
Operating conditions
Permissible ambient temperature:
-40°C ... +60°C
Permissible relative humidity:
0 ... 100% R.H.
Permissible altitude above sea level: N/A
RS485 interface, 2 wire, half-duplex
Data bits:
8 (SDI-12 Mode: 7)
Stop bit:
1
Parity:
No (SDI-12 Mode: even)
Tri-state:
2 bits after stop bit edge
Adjustable baud rates:
1200, 2400, 4800, 9600, 14400, 19200
1
, 28800, 57600
(SDI-12 Mode: 1200 fixed)
Housing:
Aluminium; plastic cover
1
Factory setting and baud rate for firmware update
