GF312V2 Three phase high precision kWh meter testing system  Product Description of  Kwh meter test equipment GF312V2 Handheld three phase kWh meter testing equipment,CE,ISO9001:2008,IEC approved,english version display,with two years quality warranty. GF312V2 portable three phase multifunction energy meter calibrator with human oriented design , small configuration and light weight. Suit for electric power departments, measuring and quality examining departments and electric lab to field use. Features High accuracy 0.05% Screen copy function Input two pulse signal for master and slave meter synchronously calibration Large size display screen, direct viewing and convenient   Internal communication port for PC control Multi power supply ways for different testing occasion   LargeRead More →