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Amprobe AMP-25 Mini-Clamp

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The AMP-25 is smaller than a standard pen.
The AMP-25 is smaller than a standard pen.
Use the inrush current function for motor start-up monitoring.
Troubleshoot electrical systems and measure AC/DC load current on exposed wires in a breaker panel.
Pocket-sized for quick and easy spot checks of electrical systems.

Small size doesn’t mean small features. The Amprobe AMP-25 Mini-Clamp is pocket-sized, enabling quick and easy spot checks of electrical systems. With its rugged construction and CAT III 600V rating, the AMP-25 is a must-have professional troubleshooting tool for commercial electricians and electrical contractors.

The AMP-25 is designed to measure AC/DC load current and inrush current for motors. Essential features like True-RMS, non-contact voltage and low pass filter make this clamp stand tall next to clamps twice its size. With the AMP-25, you never have to sacrifice performance for size.

  • Features True-RMS sensing for accurate voltage measurements in noisy electrical environments
  • Measures AC/DC current to 300 A (10mA resolution)
  • Includes a low pass filter to accurately measure voltage and current on variable frequency drives
  • Inrush current for motor start-up monitoring
  • Non-contact voltage detection (NCV) for detecting presence of voltage
  • Jaw opening to 1 in (25 mm)
  • Autoranging
  • DCA zero and data hold
  • Maximizes battery life with auto power off
  • Backlit display for easy measurement viewing in bright and dim environment
  • CAT III 600 V safety rated
Feature AMP-25 Best Accuracy
AC Current(1) 60.00 / 300.0 A +/-(1.5% + 5 LSD)
@ 50 to 100 Hz ≥ 3 A
+/-(2.5% + 5 LSD)
@ 100 to 400 Hz ≥ 3 A
DC Current(2) 60.00 / 300.0 A +/-(1.5% + 5 LSD)
@ 300 A range
Low Pass Filter 300.0 A +/-(3.5% + 5 LSD)
@ 50 to 60 Hz ≥ 3 A
Inrush Current  
Non-Contact Voltage  
Data Hold  
(1)Note: Crest Factor (C.F.) may be up to 3.0 as 4000 counts.
For non-sinusoidal waveforms:
Add 3.0% for C.F. 1.0 to 2.0
Add 5.0% for C.F. 2.0 to 2.5
Add 7.0% for C.F. 2.5 to 3.0
Position error of clamp: +/- 1.5 % of LCD reading
(2) Add 10 LSD in auto AC/DC sense mode
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