... meter 1.OEM 2,High quality,reasonable price,hot sale single phase AC current meter,ac ammeter,meterThe scope of applicationThe ... to indicate relative parameter,such as AC,DC,Voltage,power synchronous volume,frequency,expended voltage and overload current etc.The ... technical parameterAccuracy:class1.5,2.5;Service condition:-20~+50°C;Relative humidity:≤85%;Resistance to pressure:when self-frequency ...