KELLER pressure water level sensor
Uses: The input capacitance transmitter is used for water level measurement.
Principle: The 46X pressure sensor is composed of a ceramic measuring element suitable for low pressure measurement and the uP electronic part of the 30 series digital transmitter. The pressure value is formed after polynomial compensation according to the signals sent by the pressure and temperature sensors. This value can be displayed or stored on the computer via the RS485 interface, and can also be programmed. A reference tube integrated in the cable connects the sensor reference cavity to the atmosphere.
Technical specifications:
Pressure range (FS)
30 100 300 mbar
Overpressure
300 1000 1500 mbar
Types of
2-wire system
3-wire system
Power supply (U) 46X
8…28VDC
13…28VDC
Power supply (U) 46XEi
10…30VDC
15…30VDC
output signal
4…20mA
0…10V
Load
<(U-8V)/0.02A
>5K
stability
+0.1%FS (FS>=100mbar)
+0.1mbar(FS<100mbar)
Operating temperature
0…80 degrees Celsius
Compensation temperature
10…50 degrees Celsius
Error interval**
Typical +0.1%FS, maximum +0.2%FS
Wire type
5.8mm (PE) with vent tube inside
cable length
5m standard
Wetted material
-Housing: stainless steel (standard AISI316L)
-Diaphragm: ceramic, gold-plated
Neoprene O-ring
Protection class
IP68
weight
400g (including 5m cable)
Origin: Switzerland
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