Extech Clamp On Meter EX655-NIST

  • Extech Clamp On Meter EX655-NIST

AC Current (Max Res.):

60A, 600A (0.01A)

DC Current:

60A ,600A (0.01A)

Basic accuracy:

ACA: ±2.5% of rdg;

DCA: ±2.5% of rdg

AC/DC µA Current (Max Res.) :

600µA (0.1µA)

DC Voltage (Max Res.):

1000V (0.1mV)

AC Voltage (Max Res.):

750V (1mV)

Basic Accuracy:

ACV: ±1.2% of rdg;

DCV: ±0.8% of rdg

Non-Contact Voltage (NCV):

100 to 1000V

Resistance (Max Res.):

60MΩ (0.1Ω)

Capacitance (Max Res.):

60mF (0.01nF)

Frequency (Max Res.):

10Hz to 1MHz (0.01Hz)

Temperature (Max Res.):

-40 to 1832°F (1°F);

-40 to 1000°C (1°C)

Continuity Beeper:


Diode Test:



9x3x1.6" (228x77x41mm)


9.4oz (265g)


600A True RMS AC/DC Clamp Meter + NCV

The EX655 is a 600A True RMS AC/DC Clamp meter. This clamp meter also measures AC/DC voltage, resistence, capacitance, frequency, temperature, continuity/diode test and has an NCV detector. The EX655 has a 1.18" jaw size which accomodates conductors up to 350 MCM. This meter also features a 6000 count backlit LCD display, data hold, min/max, relative function,low pass filter, inrush mode, DC zero function, LCD trending bargraph, auto power off and a convenient LED worklight. Complete with test leads general purpose bead wire Temperature probe, and 3 AAA batteries.


  • True RMS for accurate AC measurements
  • 1.18" (30mm) jaw size accommodates conductors up to 350MCM
  • 6000 count backlit LCD display with bargraph
  • Low Impedance (LoZ) prevents false reading caused by ghost voltages
  • Low Pass Filter (LPF) for accurate measurements of variable frequency drive signals
  • Built-in non-contact voltage detector (NCV) with LED indicator
  • Built-in LED flashlight for working in dimly-lit areas
  • Functions include: NCV, AC/DC Voltage, AC/DC Current, AC/DC micro Current, Resistance, Capacitance, Frequency, Type-K Temperature, Diode Test, Continuity
  • DC Zero mode, Data Hold, Min/Max, Relative function, Auto Power Off
  • Inrush mode captures current surges during motor startup
  • Complete with test leads, 3 AAA batteries and general purpose bead wire temperature probe
  • Brand: Extech
  • Product Code: EX655-NIST
  • Availability: In Stock