HT9021 professional clamp meter is designed for DC/AC TRMS current measurement up to 1000A, and DC/AC voltage for achieve safety CAT IV 1000V according to IEC/EN61010-1 safety standard. The model have a large LCD 4 digit display (6000counts), with backlight and bar graph to more easy reading in critical environments. The model perform also resistance, continuity test, frequency, capacitance, diode test, duty cycle and temperature with type K probe measurements. The Autopower OFF feature is also available for the meter in order to preserve it’s internal battery charge.