yc99t-3c is a portable three phase meter testing equipment(calibrator), suit for lab and local use. yc99t-3c calibrator utilizes the testing technology with the lasted development of the energy meter calibration. yc99t-3c/yc99t-5c has exactly software function as yc99t-3c calibration, but different voltage and current output.yc99t-3c calibrator supports dlt-645(2007) communication protocol , and can complete demand indication error, demand period error, time switching error, rate period energy indication error and other multi-function test projects . yc99t-3c calibrator has constant temperature crystal oscillator, which is able to verifies the daily time error of electric energy meter.yc99t-3c is designed with fantastic panels screen and wiring arrangement. the front and rear panel are designed to be easy-operating.yc99t-3c not only procides normal meter testing, it also can be used as harmonic power output equipment ,which is able to create stable harmonic output.meter under testing: 3p4w, 3p3w, 1p2w .testing mode: active power, reactive power.the calibrator is combined by a power source and calibration electronic instrument with wide current and voltage output range.starting test and creeping test are supported.test data can be managed by computer via rs232 interface.yc99t-3c not only can be operated by equipment but also can be controlled by pc .calibrate energy meters automatically, which including items, such as , preheating, starting .creeping, error, influence, quantity test etc.

 yc99t-3c is a portable three phase meter testing equipment(calibrator), suit for lab and local use. yc99t-3c calibrator utilizes the testing technology with the lasted development of the energy meter calibration. yc99t-3c/yc99t-5c has exactly software function as yc99t-3c calibration, but different voltage and current output.yc99t-3c calibrator supports dlt-645(2007) communication protocol , and can complete demand indication error, demand period error, time switching error, rate period energy indication error and other multi-function test projects . yc99t-3c calibrator has constant temperature crystal oscillator, which is able to verifies the daily time error of electric energy meter.yc99t-3c is designed with fantastic panels screen and wiring arrangement. the front and rear panel are designed to be easy-operating.yc99t-3c not only procides normal meter testing, it also can be used as harmonic power output equipment ,which is able to create stable harmonic output.meter under testing: 3p4w, 3p3w, 1p2w .testing mode: active power, reactive power.the calibrator is combined by a power source and calibration electronic instrument with wide current and voltage output range.starting test and creeping test are supported.test data can be managed by computer via rs232 interface.yc99t-3c not only can be operated by equipment but also can be controlled by pc .calibrate energy meters automatically, which including items, such as , preheating, starting .creeping, error, influence, quantity test etc.