1UT202A + handheld automatic range true RMS clamp meter is designed according to the safety standard EN61010-2010 CAT II600V/CAT III 300V. 2It has full-function anti-burning protection of gears, and can meet the requirements of high reliability and high safety operation. 3Supporting NCV electric field detection function, realizing non-contact measurement, can obtain accurate readings in a safer range. 4With large LCD display and fast ADC converter (3 times per second), the measurement results can be visually displayed on the screen. 5Supporting true RMS, including the basic functions of electrical measurement, with high precision measurement, is the preferred measurement tool for electronics and electricians. 6It has sound and light alarm, full-function error detection protection, can withstand 600V (30KVA) and set alarm warning of over-voltage and over-current. 7The circuit design has the function of automatic power saving, low power consumption and effective prolongation of battery life.