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  • Ranges:
    • AC current: 0.01 to 800A
    • AC voltage: 0.01mV to 600V
    • DC voltage: 0.01mV to 600V
    • Resistance: 0.1 to 40MΩ
    • Capacitance: 0.001nF to 40,000µF
    • Frequency: 0.001 to 4kHz
    • Temperature: -4 to 1400°F
  • True RMS
  • Peak function captures inrush currents and voltage transients
  • Data Hold 'freezes' data in display
  • 1.2" (30mm) circular jaw opening for large cables (500MCM)
  • Auto power off

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 1.2" (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.

Additional features of the Extech EX720 Series 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 (-4 to 482°F/-20 to 250°C) is also included.

Please consider these optional accessories.
Extech TL803 Standard Test Leads
Standard replacement test leads, compatible with most multimeters
Extech TL805 Double Injected Test Leads
Professional grade, double coated PVC lead wires
Extech Alligator Clips
CAT III-1000V rated alligator clips
Starting at
In Stock
Extech TL808 Professional Test Lead Kit
8-piece professional test lead kit with CATIII-1000V safety rating
Extech TL810 Electrical Test Lead Kit
8-piece, versatile, CAT III-1000V rated testing kit
Extech 480172 AC Line Separator
Enables use of a clamp meter to measure current on a 2-wire or 3-wire power cord to 15 Amps
Extech Soft Vinyl Carrying Cases
Protect and store your multimeters and accessories in a soft vinyl carrying case
Starting at