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Extech EX720 800A AC Clamp Meter

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800A AC Clamp Meter, AC Current, True RMS, and Temperature

The Extech EX720 true RMS clamp meter is a multipurpose instrument capable of accurate measurements of AC/DC voltage, AC current, resistance, capacitance, frequency and temperature. The EX720 features 30mm jaws, large enough for cables up to 500 MCM. The ergonomically designed double-molded housing offers a better grip for one-hand operation and results are shown on the large, backlit 4000 count LCD display.

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SKU: Extech EX720 Category: Tags: ,

Extech EX720 Features

Data Hold To freeze the LCD reading, press the HOLD button. While data hold is active, the HOLD icon appears on the LCD. Press the HOLD button again to return to normal operation.

Peak Hold The Peak Hold function captures the peak AC or DC voltage or current. The meter can capture negative or positive peaks as fast as 1 millisecond in duration.

LCD Backlight Button The LCD is equipped with backlighting. Press the backlight button to turn the backlight on. Press again to turn the backlight off.

Automatic Power OFF In order to conserve battery life, the meter will automatically turn off after approximately 25 minutes. To turn the meter on again, turn the function switch to the OFF position and then to the desired function position

Additional features of the Extech EX720 clamp meter include: diode test, audible continuity beeper, Data Hold, Auto Power Off, and a Fast Peak Hold that captures inrush currents and transients.

Extech EX720 clamp meters come complete with test leads, 9V battery, and a belt holster. A Type K bead wire temperature probe (-20 to 250°C) is also included.


AC Current 0.01 to 800A
DC Current NA
AC Voltage 0.1mV to 600V
DC Voltage 0.1mV to 600V
Resistance 0.1 to 40M Ohm;
Capacitance 0.001nF to 40,000µF
Frequency 0.001 to 4kHz
Temperature Type K -4 to 1400°F -20 to 760°C
Continuity Yes
Inrush Yes
Diode Yes
Dimensions 9×3.1×1.9″ (229x80x49mm)
Weight 10.7 oz (303g)


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