Overview: The RT6303B Multi-function Three Phase Energy Meter Test Instrument adopts internationally advanced new-generation digital power source technology, integrates all the technological advantages of both domestic and foreign watt-hour meter calibration software, and is introduced to global market by Rowwin Test in a powerful and sensational way. The Multi-function three phase energy meter test instrument¡¯s power source uses MCU single chip microprocessor as its core technology and adopts various techniques as digital synthesis, digital frequency modulation, digital amplitude modulation, digital phase-shifting, pulse width modulation and so on to bring you such important features as high reliability and good load characteristics. Its more humane and intelligent meter calibration software makes it possible for an ordinary, heavy and boring calibration to be carried out more easily and efficiently. Technical Parameters: 1. Accuracy class: 0.1/0.05 2. Reference standard energy meter: Three phase wide-measurement range standard energy meter, Accuracy class:0.1/0.05 3. Output voltage: 3* 57.7/100/220/380V Y/¡÷,0~120%Adjustment fineness:0.01% full range, adjustable phase by phase 4. Output current: 3* 0.1~100A(200A also available),0~120%Adjustment fineness:0.0001A(minimum),adjustable phase by phase 5. Phase shift:0~360¡ãAdjustment fineness:0.01¡ã,adjustable phase by phase 6. Frequency:45Hz~65Hz,Adjustment fineness:0.01Hz 7. Output waveform distortion: Both voltage and current