Differential Expansion Monitors are compatible with LVDT & proximity probe inputs and provide a 4-20 mA output proportional to the overall measurement. This features DIN rail mount, 4-20 mA output, fault detection, buffered transducer output, alert & danger alarms, trip multiply and remote reset. This monitoring option adds two independent set points with LED alarm indicators and output relay contacts. The alarm option also provides set point multiplication of 3X with a contact closure.