| Power supply |
| Voltage range |
100 V to 500 V using safety plug input when powering from the measurement circuit |
| 100 V to 240 V using standard power cord (IEC 60320 C7) |
| Power consumption |
Maximum 50 VA (max. 15 VA when powered using IEC 60320 input) |
| Efficiency |
≥ 68.2 % (in accordance with energy efficiency regulations) |
| Maximum no-load consumption |
< 0.3 W only when powered using IEC 60320 input |
| Mains power frequency |
50/60 Hz ± 15 % |
| Battery |
Li-ion 3.7 V, 9.25 Wh, customer-replaceable |
| On-battery runtime |
Four hours in standard operating mode, up to 5.5 hours in power saving mode |
| Charging time |
< 6 hours |
| Data acquisition |
| Resolution |
16-bit synchronous sampling |
| Sampling frequency |
10.24 kHz at 50/60 Hz, synchronized to mains frequency |
| Input signal frequency |
50/60 Hz (42.5 to 69 Hz) |
| Circuit types |
1-?, 1-? IT, split phase, 3-? delta, 3-? wye, 3-? wye IT, 3-? wye balanced, 3-?
Aron/Blondel (2-element delta), 3-? delta open leg, currents only (load studies) |
| Data storage |
Internal flash memory (not user replaceable) |
| Memory size |
Typical 10 logging sessions of 8 weeks with 1-minute intervals and 500 events 1 |
| Basic interval |
| Measured parameters |
Voltage, current, aux, frequency, THD V, THD A, power, power factor, fundamental
power, DPF, energy |
| Averaging interval |
User selectable: 1 sec, 5 sec, 10 sec, 30 sec, 1 min, 5 min, 10 min, 15 min, 30 min |
| Averaging time min/max values |
Voltage, Current: Full cycle RMS updated every half cycle (URMS1/2 according to
IEC61000-4-30
Aux, Power: 200ms |
| Demand Interval (Energy Meter Mode) |
| Measured parameters |
Energy (Wh, varh, VAh), PF, maximum demand, cost of energy |
| Interval |
User selectable: 5 min, 10 min, 15 min, 20 min, 30 min, off |
| Power quality measurements |
| Measured parameter |
Voltage, frequency, unbalance, voltage harmonics, THD V, current, harmonics, THD
A, TDD |
| Averaging interval |
10 min |
| Individual harmonics |
2nd ...50th harmonic |
| Total harmonic distortion |
Calculated on 50 harmonics |
| Events |
Voltage: dips, swells, interruptions, current: inrush current |
| Triggered recordings |
Full cycle RMS updated every half cycle of voltage and current (Urms1/2 according
to IEC61000-4-30)
Waveform of voltage and current |