AC 220V Generator Digital Volt Amp Watt Hour Power Frequency Meter Tester
Module using the snap-fit, safe and convenient, secure. 220V,AC system. 1 x 5 in 1 Digital AC Generator Guage. Frequency: Hz. Frequency: 40-70HZ, error ≦ ± 0.5%. Range and Accuracy. Power 0 ~ 6Kw error ≦ ± 2%.