Extech Clamp Meter, CAT IV, True RMS AC DC, IR Temp EX840

SKU: EX840
Product Weight 2.00 Pounds
This versatile clamp meter measures AC and DC voltage to 1000V and AC and DC current to 1000A. With a CAT IV rating up to 600V and an IR thermometer for safe, non-contact testing.
Sales price $259.99

Extech Clamp Meter, CAT IV, True RMS AC DC, IR Temp EX840

CAT IV 600V approval rating assures maximum safety and functionality. With both AC and DC measurements of voltage to 1000V and current to 1000A as well as an IR thermometer for a non-contact, safe measurement



  • AC and DC voltage measurements to 1000V
  • AC and DC current measurements to 1000A
  • True RMS AC Voltage and current measurements
  • Built-in non-contact IR thermometer design with laser pointer for precise temperature targeting
  • Diode open circuit voltage of 2.8V DC
  • Peak hold captures inrush currents and transients
  • Data hold, Min/Max and auto power off
  • Compact and durable package for long life on the job site
  • Complete with CAT IV test leads, Professional test lead set, a 9V battery, a general purpose Type K temperature probe and case

This clamp meter allows quick and easy spot checking of any wire and can determine the AC and DC current up to 1000A, the AC and DC voltage up to 1000V, the capacitance, the resistance, the frequency and the temperature with both an IR and Type K thermometer. The CAT IV safety rating and the non-contact IR thermometer ensure safe and accurate testing.

Included with the clamp meter are CAT IV test leads and a professional test lead kit for testing in any environment. This is an indispensable tool for any electrician, electrical engineer or anyone dealing with electrical issues. Compact and easy to use made to be user friendly and effective for years.


  • IR Temperature (IR): -58 to 518ºF -50 to 270ºC
  • AC Current: 0.1 to 1000A
  • DC Current: 0.1 to 1000A
  • AC Voltage: 0.1mV to 1000V
  • DC Voltage: 0.1mV to 1000V
  • Resistance: 0.1 to 40MΩ
  • Capacitance: 0.001nF to 40,000μF
  • Frequency: 0.001kHz to 4kHz
  • Type K Temperature: -4 to 1400ºF -20 to 760ºC
  • Continuity: Yes
  • Inrush: Yes
  • Diode: Yes
  • Warranty: 1 year
  • Dimensions: 10.6x4.3x2" (270x110x50mm)
  • Weight: 13.6oz (386g)

Unit Ship Weight: 2 lbs



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