This item is a great condition used AVO Megger PMM-1 Power Multimeter. Calibrated to NIST standards on July 7, 2025. Includes standard power cable and traceable certificate of calibration. All pictures are of the actual unit.

This item comes with a 6 Month (180 day) warranty. Every pre-owned unit we offer goes through meticulous inspection and NIST calibration to guarantee its reliability and durability.

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The Power MultiMeter PMM-1is a next generation multifunction instrument for measuring ac or dc voltage, ac primary and secondary current, power, reactive power, power factor, phase angle and frequency of a single or three-phase electrical system. In the single-phase mode, the PMM-1 is easily configured to measure the amplitude and phase angle between any two voltages and current inputs.

These measured quantities are then displayed in an enlarged font size for easier reading on a graphic display. In three-phase mode, all measured quantities are displayed simultaneously on a large, easy-toread graphic display.

Current

• Direct Input: 0 - 100 Amperes (ac), 0.01% resolution of range
• Accuracy: ±0.05% of reading, 50/60 Hz
• From 0.10 - 10A (21°- 25° C) ±0.1% of reading >10 amperes
• Minimum Current Measurement: 2 mA
• Burden at 5A: 0.1VA
• Crest Factor: 3

Phase Angle

• 0 - 360.00° or ±0 - 180.00°, 0.01° resolution
• Accuracy 50/60 Hz: ±0.08° input levels above 30 V and 1.0 amp(1),
• ±0.5° input levels above 3 Volts and 0.02 amps, ±2° input levels down to 0.002 amps.

Power

• ±0 - 100 KW, 0.1% resolution.
• Accuracy at 50 or 60 Hz: ±0.1% of VA.

Reactive Power

• ±0 - 100 KVAR, 0.1% resolution.
• Accuracy at 50/60 Hz: ±0.1% of VA.

Frequency component only of a voltage or current

• 10 - 1000 Hz, 0.01 Hz resolution.
• Accuracy: ±0.03 Hz.

Harmonics

• Measures all harmonics content simultaneously of any selected
• voltage or current, up to the 49th harmonic.
• Accuracy: ±5% of reading

Time

• 0.000 to 999.999 seconds
• 0.000 to 9999.9 cycles

Seconds Mode

• ±LSD or ±0.005% of reading, whichever is greater when initiated by a dry contact, a DC potential above 5 volts or an AC potential above 115 VAC*.

Cycles Mode

• ±0.5 cycle when initiated by a dry contact, a DC potential above 5 volts or an AC potential above 115 VAC.*
• *AC voltage accuracy is worse at lower voltages and is ±8 ms in worst cases (5 V rms applied just following wave-shape peak).

Start/Stop Inputs

• 5-300 Volts (AC or DC) start or stop inputs. AC or DC applied/removed, or dry contact closure or opening

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