Product description Single-phase electric meter field calibrator is suitable to test various types single phase meters on site and can also be used to test alternating current parameters. Feature 1. Current clamp and meter combined together, colorful and touch-screen display; 2. One AAA Li-battery can continuously working 4 hours; 3. Wide voltage, current measurement range, voltage range: 15-300V, current range: 0.05-120A; 4. Display all the measuring parameters in one screen; 5. Current clamp has automatic compensation function, 0.2% class accuracy; 6. Current clamp has automatic calibration function; 7. Integration design of the meter and clamp; 8. 16bit high accuracy AD switch 32 bit ARM processor core. 9. Automatically record and save 999 groups calibrate data; 10. Micro-multifunction optic sampler Technical index 1. Manual/automatic test inductive single phase meters; 2. Manual/automatic test electric single phase meters; 3. Measure virtual value of alternating voltage (15~300Vrms); 4. Measure virtual value of alternating current (50mA~120Arms); 5. Test parameters: active power, phase angle of voltage and current, frequency and etc; 6. Automatic store testing data, and 999 group test results can be saved.