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Extech 300 A True RMS Mini Clamp Meters with NCV

High-accuracy current meter with integrated non-contact voltage detector
  • True RMS allows for accurate readings from noisy, distorted or non-sinusoidal waveforms
  • Built-in non-contact voltage detector quickly alerts you to live lines from 80 to 600 V
  • Smart Data Hold feature provides an audiovisual alarm if real-time readings change by 50 digits of the held reading
  • Low Pass Filter (LPF) mode provides accurate readings from variable frequency drives
  • Reach tight locations and accommodate conductors up to 300MCM with the compact 0.8" (22 mm) jaw
  • Inrush current measurement to help in proper motor installation and maintenance
  • Backlit LCD includes a low battery indicator
  • Includes two LR44 batteries and carrying case
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2 variations of this product are available.

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Compareitem specifications
AC Current Accuracy AC Max (amps) Description
Availability Pricing
Extech MA140 Mini Clamp Meter, Trms, 300A AC, Non-Contact Volt Detector GZ-26848-40 Mfr # MA140
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±2.0% 300 Mini Clamp Meter, Trms, 300A AC, Non-Contact Volt Detector
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Extech MA145 Mini Clamp Meter, Trms, 300A AC/DC, Non-Contact Volt Detector GZ-26848-45 Mfr # MA145
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±1.5% 300 Mini Clamp Meter, Trms, 300A AC/DC, Non-Contact Volt Detector
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