" Key features of the UT210A: 1. Small and exquisite, easy to carry; 2. AC current measurement, the minimum resolution is 1 mA and the maximum range is 200 A; 3. With HOLD function and MAXH function; 4. With automatic shutdown function; 5. With backlight function. Alternating current (A) 2A/20A/200A (2.5%+5) Maximum display 2000 D size aperture about 17mm Automatic shutdown about 15 minutes AAA power supply 1.5V 2 LCD screen size 39.3 mm 26.5 mm UT210 series mini digital clamp meter has the characteristics of high reliability, high safety, automatic range and miniaturization. It can accurately measure small current signals; the product chip is equipped with VFC boot mode, and the internal will pass through a specific filter circuit to filter out high-frequency interference signals to ensure the accuracy of the measurement data! It can be applied to occasions with VFC variable frequency voltage and current, large-scale overload protection and unique appearance design, making it a new generation of practical electrician measuring instruments with superior performance. It can be used as an ideal tool for testing, maintaining and repairing various colleges and universities, foundry, communications, manufacturing, petroleum, national defense, electric power, electrical engineering and circuit power equipment. "