Extech MA140 True RMS 300A AC Clamp Meter


Quantity: Out Of Stock

Category: Clamp Meters

Quick Overview:

Compact AC Clamp Meter with NCV Detector

The MA140 is a Compact AC Clamp Meter with NCV Detector. This Clamp meter takes True RMS measurements for accurate readings of noisy, distorted or non-sinusoidal waveforms. The MA140 can measure up to 300A AC. Complete with carrying case and two LR44 batteries.

  • True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
  • Compact 0.8'' (22mm) jaw size accommodates conductors up to 300MCM and allows measurements in tight locations
  • Unique Smart Auto Sense feature
  • Low Pass Filter (LPF) for accurate measurement of variable frequency drive signals
  • Built-in Non-Contact Voltage (NCV) detector for quick detection of live voltage
  • Inrush current measurement
  • 6000 count backlit LCD display
  • Smart Data Hold: Audiovisual alert when a new reading exceeds 50 digits of a held reading
  • Low battery indicator and Auto Power Off feature
  • Complete with carrying case and two LR44 batteries

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Specifications Range
AC Current (max resolution) 60A, 300A (0.01A)
Basic accuracy ±2.0%
Non-Contact Voltage (NCV) 80 to 600V
Dimensions/ Weight 5.8x2.4x1.2'' (147x60x31mm)/ 4.9oz (140g)


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Extech MA140 True RMS 300A AC Clamp Meter


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