FISCHER Mess- und Regeltechnik GmbH
Technical data | 6
BA_EN_NC57
13/20
6 Technical data
6.1 General
General information
Type designation
NC57
Measurement principle
Continuous measurement of the capacity
change between the probe rod and tank
wall, depending on the filling probe of a
fluid.
Operating pressure
Max. 10 bar
Number of electrodes
1
Thread connection
G ½ or G1
Protection class
acc. to DIN EN 60529
Bayonet ring housing IP65
Field housing IP67
Reference conditions (acc. to IEC 61298-1)
Temperature
+15 to +25 °C
Relative humidity
45 … 75 %
Air pressure
86 to 106 kPa
860 to 1060 mbar
Installation position
vertical
6.2 Input variables
Measuring range
The measuring range lies between 400
mm and 2000 mm, depending on the
ordered probe length.
Other lengths available on request.
Input signal
Probe rods covered: high capacity
Probe rods free: low capacity
6.3 Output variables
Current output
Voltage output
Output signal
0 to 20 mA
4 to 20 mA
0 … 10 V
2 … 10 V
0 … 5V
1 … 5V
Load impedance
(U
b
– 9V)/20 mA
> 5 kΩ
6.4 Measuring accuracy
Measurement deviation
< 3 % FS
FS: Full Scale (measuring range)
6.5 Auxiliary energy
Current output
Voltage output
Nominal voltage
24 V DC
24 V DC
Permitted op. voltage
9 to 32 V DC
12 to 32 V DC
Current draw (without signal)
30 mA
30 mA
