Digital clamp meter is a safe, stable and reliable digital AC clamp meter, can be used to measure AC current, AC/DC voltage, resistance, resistance and Line On/Off Test. It is a professional electrician instrument with superior performance and an ideal tool for smelting, telecommunications, manufacturing, petroleum, defense, electric power, foundry, power equipment inspection, maintenance and repair. Features: Multi-Function: Accurately measure AC current, AC/DC voltage, resistance, frequency, line on/off test. Easy to use in laboratory factories and homes. 200A High Current: Professional equipment, high-precision clamp meter, measuring current up to 200A. HD Backlit Display: The digital clamp meter include a digital display with backlit LCD, you can easily identify the readings in dimly lit areas. Autocratically Shutdown: The voltage tester will automatically shut down after 10 minutes of inactivity, to save power. 2 minutes before shutdown, every 1 minute the buzzer will have 1 sound to indicate. Compact Size: Small and light, easy to carry when working. Suitable for one-hand operation. Convenient Battery Replacement: Built-in 2×AAA (1.5V) batteries, it can last longer and provide convenient battery replacement. Specifications: Material: ABS AC Voltage: 600V, ±(0.8%+5) DC Voltage: 600V, ±(0.5%+3) AC Current: 6A/60A/200A, ±(2.5%+8) Resistance: 6k, ±(0.8+3) Frequency: 40Hz~1000.0Hz Line On/Off Test: