The Series 46 X Capacitive Transmitters from Keller UK

The Series 46 X capacitive transmitters available from Keller UK are integrated with the µP-electronics of the digital Series 30 pressure transmitters and features a ceramic measuring cell for low pressure ranges.

With the help of a polynomial compensation, the signal values of the temperature and pressure sensors are measured. Users can display and store the values on a personal computer and these values can be reprogrammed. The cable is equipped with a reference tube which links the sensor’s referential chamber to the ambient pressure.

Keller also offers an intrinsically safe version of pressure transmitter called Series 46 X Ei. The instrument can be employed in explosion-exposed environment where categories 1 and 2 are needed.


The specifications of the Series 46 X capacitive transmitters are provided in the table below:

Pressure Ranges -30 mbar
100 mbar
300 mbar (relative)
Error Band 10…50 °C 0,1 % FS typ. / 0,2 % FS max.
Output 4...20 mA and 0...10 V


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