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400A True RMS AC Clamp Meter - CM400
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400A True RMS AC Clamp Meter - CM400

SKU# - CM400

The Triplett Model CM400 True RMS Clamp meter can measure AC current up to 400A without breaking the circuit by clamping around a single conductor. This saves time and the circuit will not be damaged.

  • $52.49
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400A True RMS AC Clamp Meter - CM400

True RMS provides better accuracy when measuring non-sinusoidal or noisy waveforms. Additional measurements include Resistance, Capacitance, Frequency, Temperature, Diode Test, and Continuity. Measurements can read on the 4000 count backlit LCD. It has an Inrush current function that captures the instantaneous surge (inrush) current when power equipment is turned on.

CM400 Features:

  • True RMS provides better accuracy when measuring non-sinusoidal or noisy waveforms
  • Captures the instantaneous surge (inrush) current when power equipment is turned on
  • 1.2" (30mm) clamp jaw
  • Low Pass Filter (LPF) for filtering frequency and harmonic interference when measuring variable frequency drives
  • Peak voltage measurement with Min/Max
  • Data Hold freezes the display
  • Relative Mode for making comparisons to a stored reference value
  • Auto power off with disable
  • Built-in Flashlight
  • Includes test leads, Type K thermocouple bead probe, 3 AAA batteries, and carrying case
  • 1 year warranty

CM400 Specifications:

Specifications:CM400
True RMS
Display counts4000 count
AC Current400A
ACA Accuracy±2.5%
DC Current
AC/DC Voltage1000V
Resistance40MΩ
Temperature-4 to 1832°F
Capacitance100mF
Frequency100kHz
Duty Cycle20.0 to 80.0%
Continuity<50Ω
Lo Pass Filter (LPF)Yes
NCV Detector>90V
Inrush Current100ms
Safety CategoryCAT III-600V
Dimensions8.8 x 3 x 1.6"
Weight9.5oz 
    • SKU
      CM400

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