The EA14D_LCD is based on an electronic evaluation circuit that analyses the measuring signals of two external pressure transmitters. The main task is the calculation of the differential pressure that can be displayed and analysed. The signals of the external pressure transmitters can be shown separately for review. The evaluation unit allows two independent switch points to be set. Optionally two additional output signals can be made available. The external pressure transmitters are connected to the differential pressure evaluation unit via flexible plug connection lines. Only the supplied pressure transmitters may be connected. The nominal pressures of the external sensors and the basic measuring range are set ex-works and stated on the type plate. The device can be used as a display and switching unit in combination with two external service sensors (0/4…20 mA and/or 0…10 V). The medium compatibility depends on the technical data of the sensors used.
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