· Operating Tempurature -10℃∼50℃(With Non condensing)
· Humidity 80% RH
· Operating Principle Moving coil type : DC Ampere meter, DC Volt meter. Rectifier type : AC Ampere meter and AC Volt meter. Transducer type : Watt meter, Var meter, PF meter and Hz meter. Moving iron type : AC Ampere meter.