Digital Panel Meter

Electrical Digital Panel Meter ( Ampere meter & Volt meter) Precission: Voltameter/Ammeter is 0.5, 0.2 class; Frequency meter is 0.1 class, power meter/power factor is 0.5 class Display: Three and half phases/four phases Input: Norminal input: Ammeter: AC 1A, AC 5A, CD 20mA Voltmeter: AC 100A, AC 5-220V, AC 380V, DC75mV Processing value frequency: lasting: 1.2times, instance: current 10times(5 sec), voltage 2 times(10sec) Aux. power supply: Auxiliary strength: Switch power: AC. DC 80-270V, switch power: AC 220&plusmn; 5% Power consumption: <3VA Insulation strength: AC 2KV Withstand impedence: ≥100mΩ Average work time of no interruption: ≥5000h Work enviroment: Enviromental temperature: -10 55oC, relative humidity≤93%, without corrosive gas