| Model | Input Channels | Instrument Type | Interfaces | Operation Modes | Measurements |
| PM300 | 3 | Portable | GPIB (opt), RS-232, Chart recorder, Alarm | Meter, Recorder | Watts, V, A, VA, VAR, Power Factor, Cosf, Vpk, Apk, Crest Factor (CF), requency, Harmonics, A (incl. phase) and W to the 50th Total Harmonic Distortion |
PM1000 | 3 | Portable | PC software | Meter, Recorder | Watts, V, A, VA, VAR, power factor, Cos, Vpk, Apk, Crest Factor (CF), Harmonics, A, (incl. Phase) and W to the 99th. THD frequency and inrush current | PM3000A | 3 | Portable | PC software | Meter, Monitor | Watts, V, A, VA, VAR, Power Factor, Vpk, Apk, Crest Factor (CF), Frequency (f), Harmonics, A, (including Phase) and W. Total Harmonic Distortion.Integrator for W-hr, VA-hr, A-hr, VA-hr,Avg &target PF | Pmi | | Portable | GPIB, RS-232, RS-485, PC card | Scope, Meter | Volts, Amps, Watts, Power Factor, Frequency (f), Crest Factor (CF), Total Harmonic Distortion (THD) | Pmiv | 4 | Portable | Screen, RS-232, Printer, GPIB (opt), PCMCIA (opt) | Scope, Meter | Volts, Amps, Watts, Frequency (f), power factor, Crest Factor (CF), form factor, impedance | PM100 | 3 | Portable | GPIB (opt), RS-232, Chart recorder, Alarm | Meter, Recorder | Watts, V, A, VA, VAR, Power Factor, Cosf, Vpk, Apk, Crest Factor (CF), requency, Harmonics, A (incl. phase) and W to the 50th Total Harmonic Distortion |