... 1.OEM 2,High quality,reasonable price,hot sale current meter,dc current meter,panel meterThe scope of applicationThe series product is ... ,DC,Voltage,power synchronous volume,frequency,expended voltage and overload current etc.The product performance is accordance with GB7676-98standard.Main ... than 60A external connect 50mV,60mV or 75mV shunt the best quality current meter