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The WSG 4-20mA Sensor is a wireless alarm unit designed for use with the Sensaphone WSG 30. The sensor comes with a wireless transmitter for communicating with the WSG-30 as well as a 4-20mA input and 24V loop power supply. This sensor can monitor the output of any 4-20mA transducer. The unit also comes complete with three AA batteries which will power the sensor for several hours should the power fail.
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