... , mA, V, 0--5A 2 relay outputs applicate to any non-linearity sensors. DS3 series universal Sensor IndicatorFeatures:1, Input: regular: 4 ... Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor, KNE KSC ...