Features Application: Ammeter voltmeter has electrical parameter measurement function, which can be used to measure voltage, current, active power, electrical energy, etc. Overload warning function: Voltage current power measurement instrument has overload warning function, including over power warning threshold, backlight and power flicker warning, power warning threshold preset function (power warning threshold can be set Automatic data storage: Energy meter measurement accuracy reaches 1.0 level, data can be automatically stored when power is off, and it has energy key reset function and backlight function Large-screen LCD display: The volt amp watt gauge tester is equipped with a large-screen LCD display, which can simultaneously display parameters such as voltage, current, power, and energy. Voltage test range: Voltage test range of volt amp watt meter gauge tester is 80~260V, display format is 80~260V, current test range is 0~100A, display format is 0.00~99.99A Features: Electrical parameter measurement function (voltage, current, active power, energy). Overload alarm function (over power alarm threshold, backlight and power flashing to alarm). Power alarm threshold preset function (can set power alarm threshold). The reset function of energy key. Store data when power off. Backlight function. Display interface is a large-screen LCD, it can display voltage, current, power, energy parameters at the same time.   Specifications: Working Voltage: 80~260VAC Test Voltage: 80~260VAC Rated Power: 100A/22000W Operating Frequency: 45-65Hz Measurement Accuracy: 1.0 grade Power Test Range: 0~22kW (Within 1kW, the display format is 0.0~999.9W; Within 1kW~10kW, the display format is 1000~9999W; 10kW and above, the display format is 10.0~22.0kW.) Energy Test Range: 0~9999kWh (Within 10KWh, the display format is 0~9999Wh; 10kWh and above, the display format is 10~9999kWh.) Voltage Test Range: 80~260V Display Format: 80~260V Current Test Range: 0~100A Display Format: 0.00~99.99A Weight: 106g(approx.) Package Includes: 1 x Meter 1 x Current Transformer Package List