... 12V/30mA DA series Process Indicator for voltage & ampere measurementFeatures:1) Input: mA, mV, V, Pt100 ... class:IP65.. We can manufacture thousands of different models of products, including Temperature Controller, Digital ... Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere ...