The UT33C is a handheld digital multimeter produced by TAS. It has a basic function of 200mV/2000mV/20V/200V/500V, 200V/500V, 2000mA/20mA/200mA/10A, 200W/2000W/20kW/200kW/20MW, -40℃~1000℃, -40℉~1832℉. It also has special functions such as diode testing, continuity buzzer, low battery indicator, input impedance of voltage measurement, data hold, backlight, maximum display, display size, power supply, body color, body weight, body size, and standard accessories.