PIM Series sensors from IFM Efector Inc., Exton, PA, can detect pressure and continuously monitor a pump's condition. Acting as a pump diagnostic sensor, the device measures the high-frequency pulsations of a properly operated pump and stores it as a reference. Should changes occur in the system, the sensor can provide an alarm signal to a controller. The ceramic capacitive sensor's second output can be configured as a switching output with hysteresis or window function or as a scaleable analog output. The display alternately provides the system pressure and the operating state of the pump.
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