Voltage and Ampere meter 2 isolated Input:AC 0-600V/ AA 0- ... , 3 alarms,4-20mA output. DH series Voltage and Ampere meter Features: 1) Two isolated Input: AC 0-600V ... products, including Temperature Controller, Digital Adjustor, thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter, Timer ...