As a new generation of high-precision AC/DC meter, HANGZHI HIU-series products adopt brand-new software design, which can simultaneously measure single-phase AC and DC voltage, current, frequency, phase, active power, etc. They can be widely used in battery charging and discharging equipment manufacturers for the detection and automatic calibration of finished products for charging and discharging equipment, and can be used for calibration and metering of battery charging and discharging equipment by the battery manufacturers.