Harbor Freight Tools


CM1000A 1000A T-RMS AC/DC Clamp Meter

The AMES INSTRUMENTS 1000A T-RMS AC Clamp Meter measures inrush, non-contact voltage and has a built-in work light

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The AMES INSTRUMENTS™ 1000A True-RMS AC Clamp Meter is designed for electrical motor maintenance in high voltage industrial environments. Inrush capability allows  motor start-up monitoring. The Φ40mm/1.6 in. diameter jaw can easily handle large conductors. This professional T-RMS clamp meter offers a full range of standard multimeter features, including AC/DC current, AC/DC voltage, frequency, True-RMS, non-contact voltage detection, resistance, continuity a built in work light. CAT III 1000v , CAT IV 600v safety rating.

  • AC/DC Current 1000A, Jaw Opening: Φ40mm/1.6 in.
  • DC Voltage: 1000v, AC Voltage 750v
  • Resistance: 60MΩ, Capacitance: 99.99mF, Frequency: 10 KHz
  • Display: 6000 Counts, Autoranging, Auto Power Off, Diode Test
  • Audible Continuity, Data Hold, Low Battery Indicator
  • Relative measurement
  • True-RMS
  • Built in worklight
  • Inrush measurement (Motor starting current)
  • Built in non-contact voltage measurement

  • Torture Tested by HVAC Shop Talk

    Torture Tested by HVAC Shop Talk

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Battery(s) Required
one 9V
Display resolution
6000 counts
AC Volts
60mV/600mV/6V/60V/600V; 750V
Accessories Included
Test leads, batteries, carrying case and user manual
DC Voltage: ±(0.8%+4), AC Voltage: ±(0.8+4), AC Current: ± (2.0+8),DC Current: ± (2.0+8),Resistance: ± (2.0%+5),Capacitance ± (3.0%+5), Frequency ± (1.5%+5)
Battery type
Battery(s) Included
Jaw opening
Product Height
50 mm
Product Length
238 mm
Product Weight
0.85 lb.
Product Width
92 mm
Shipping Weight
1.60 lb.
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.