AEMC Instruments 2139.51 - 407 Clamp-on Power Meter - Single & 3-Phase Power, 1000 ACA, 1500 DCA, 1000 AC/DCV w/Power Factor & Harmonics


The AEMC Instruments Model 407 True-RMS Power Clamp-on Meter provides a new standard for safety and measurement capability not available in any other clamp meter sold today. Safety Rated at CAT-IV 1000V, it is safe to operate in all electrical environments. It is rugged enough for the most demanding work environments and will withstand both dust and water spray with its IP54 rating. It is ergonomically designed and easily used by one hand, including function selection and button pushing even with a glove on. In addition to the standard measurement of volts, amps, frequency, resistance, diode checking and continuity, the Model 407 offers several unequaled functions including: AC, DC and AC+DC volts, amps and power, True InRush®, Delta relative function, Phase rotation indication, Power measurements and more.


  • Measures up to 1000VAC (1400V peak), 1000VDC and AC+DC with resolution to 10mV
  • Measures up to 1000AAC and 2000ADC
  • Measures single- and three-phase power (real, reactive and apparent) up to 3MW with resolution to 1W
  • Measures frequency to 20kHz with 0.1Hz resolution
  • Auto selects AC or DC measurement voltage
  • True InRush® current measurement with 1mS capture
  • Records up to 1000 measurements
  • CAT-IV 1000V Rated
  • UL 94 flame retardant self-extinguishing
  • IP54 Rated
  • 10,000-count blue electroluminescent backlit display
  • Wireless Bluetooth communications
  • Jaw opening up to 1.89"
  • Leads are constructed with a flexible silicone material
More Information
Features 3-Phase, Bluetooth, Datalogging, Single Phase, True-RMS
Manufacturer AEMC Instruments
Measurement AC Current, AC Voltage, Continuity, DC Current, DC Voltage, Diode, Frequency, Harmonics, Power Factor, Power/Energy, Resistance
Rating CAT IV-1000V
Type Clamp-on Multimeters
Additional Skus 2139.51
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