Extech Clamp Meter, AC True RMS 400A, IR Temp EX622

In stock

A versatile clamp meter with built-in IR thermometer. Multimeter functions such as voltage, current, capacitance, frequency and resistance with a clamp meter and non-contact voltage detector.

Extech Clamp Meter, AC True RMS 400A,  IR Temp EX622

Built-in IR thermometer plus dual thermocouple inputs for differential temperature measurement plus non-contact voltage detector


  • Built-in non-contact IR thermometer with laser pointer targeting; featuring an 8:1 distance to target ratio
  • Dual Type K thermocouple input with Differential Temperature Function (T1, T2, T1-T2)
  • Built-in non-contact Voltage detector for added safety and convenience
  • DC μA multimeter function for HVAC flame rod current measurements
  • Data Hold plus fast Peak Hold of current surges during motor start up
  • Measures motor capacitors to 40,000μF
  • True RMS accuracy
  • Auto power off with audible alert and disable function
  • Autoranging with manual override for any situation
  • Includes CAT III-600V double molded test leads, a 9V battery, two general purpose Type K bead wire probes and a handy carrying case

The versatility of a multimeter matched with the ease of use of a clamp meter all together with a non-contact voltage detector make up the Extech AC True RMS 400A Clamp Meter. A built-in IR thermometer gives a non-contact measurement of potentially hot, dangerous surfaces. Also featuring dual thermocouple inputs and the necessary bead wire probes to measure and compare temperatures.

The multimeter functions include AC and DC currents and voltages, resistance, capacitance, frequency and temperature.


  • IR Temperature: -58 to 518°F (-50 to 270°C)
  • AC Current 400.0A
  • Max resolution 10mA
  • Basic ACA accuracy ±1.5%
  • AC/DC Voltage (Max Res.) 600V (0.1mV)/600V (0.01mV)
  • DC μA Current 4000μA (0.01μA)
  • Resistance (Max Res.) 40.000MΩ (0.01)
  • Capacitance (Max Res.) 10pF to 40,000μF (0.01nF)
  • Frequency (Max Res.) 40MHz (0.001Hz)
  • Temperature (Type K) -58 to 1832°F (-50 to 1000°C)
  • Diode Test < 2.8V
  • Duty Cycle 0.5 to 99.0%
  • Warranty: 1 year
  • Dimensions 9x3.1x1.9" (229x80x49mm)
  • Weight 10.7oz (303g)

Unit Ship Weight: 1.5 lbs

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