NivoRadar
®
Continuous level measurement
Series NR 4000
Technical information / Instruction manual
Technical data
page 10
Power consumption
Sensor current
Operating voltage
12 V DC
18 V DC
24 V DC
≤ 3.6 mA
< 45 mW
< 65 mW
< 90 mW
4 mA
< 50 mW
< 75 mW
< 100 mW
20 mA
< 245 mW
< 370 mW
< 485 mW
Input variable
Measured variable
The measured variable is the distance between the
antenna edge of the sensor and the medium surface.
The antenna edge is also the reference plane for the
measurement.
2
1
Fig. 5: Data of the input variable
1
Reference plane
2
Measured variable, max. measuring range
Max. measuring range
1)
30 m (98.43 ft)
Recommended measuring range
2)
up to 20 m (65.62 ft)
Min. dielectric constant of the me-
dium
3)
ε
r
≥ 1.6
blocking distance
4)
Ʋ
Modes 1, 2, 4
0 mm (0 in)
Ʋ
Mode 3
≥ 250 mm (9.843 in)
Output variable
Output signal
4 … 20 mA/HART
Range of the output signal
3.8 … 20.5 mA/HART (default setting)
1) Depending on application and medium
2) With bulk solids
3) Depending on application and medium
4) Depending on the operating conditions
