... function.3) Output: Isolated 4-20mA output for any voltage or ampere,range selectable;2-3 alarm output,act as under-voltage/lacking phase ... DH4:48*48*80 DH8: 96*48*80 DH7:72*72*100 DH9: 96*96*100;case class:IP65.6) ... thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, ...