Overview:The HIU series high-precision AC/DC tester is a new-generation high-precision AC/DC tester. This product adopts a completely new hardware and software design and can simultaneously measure single-phase AC/DC voltage, current, frequency, phase, active power, etc. It is widely used by battery charge/discharge equipment manufacturers and battery manufacturers for finished-product testing, metering, and automatic calibration of battery charge/discharge equipment, and for AC/DC measurement in fields such as metrology institutes, electric power, metrology, military industry, manufacturing, and scientific research, as well as by government inspection agencies and other metrology fields for single-phase AC/DC voltmeters, ammeters, and power meters.