| Technical Specifications |
| Power quality measurement standards |
Conformance |
IEC 61999-1-4 Class 1, IEC 61000-4-30 Class A, S or B depending on measurement function, IEEE519, IEEE1159, IEEE1459 and EN50160 |
| Clock/calendar |
Leap years, 24-hour clock |
| Real-time clock accuracy |
Not more than ±1 s/day |
| Internal memory capacity for data |
At least 2 GB |
| Maximum recording period |
At least 31 days |
| Measurement time control |
Automatic |
| Maximum number of events |
Limited only by the size of the internal memory |
| Power requirements |
100 to 240 V rms ±10%, 47-63 Hz, 40 W |
| Operating time during interruptions (internal UPS operation) |
5 minutes per interruption, 60 minutes total operating time without recharging |
| Dimensions |
215 x 310 x 35 mm (8.5 x 12.2 x 3.5 in) |
| Mass (weight) |
6.3 kg (14 lb) |
| Input |
Measurement types |
One Phase Plus Neutral, One Phase IT No Neutral, One Phase Split Phase, Three Phase Wye, Three Phase Delta, Three Phase IT, Three Phase High Leg, Three Phase Open Leg, 2 Element Delta, 21/2 Element Wye |
| Input channels |
Voltage: 4 channels, AC/DC |
| Current: 5 channels |
| Voltage channels |
Input resistance: 2 MΩ |
| Input capacitance: < 20 pF |
| Current input characteristics |
2 V rms = full scale, 1 MΩ Input Impedance for ferro CTs, low impedance for Flexi-CTs |
| Measuring method |
Simultaneous digital sampling of voltage and current. Digital PLL synchronized sampling, internal frequency reference used during voltage drops. |
| Synchronization and sampling |
PLL-synchronization source |
The PLL synchronizes to the A-N voltage for wye power types, and to the A-B voltage for delta power types. All listed power types can be characterized as either wye or delta. |
| PLL lock range |
42.5 to 69 Hz |
| Sampling frequency |
Voltage and current: 256 samples/cycle Inter-harmonics per IEC 61000-4-7: 2 560 points/10 cycles (50 Hz), 3072 points/12 cycles (60 Hz) Transient Voltage: 5 MHz |
| A/D resolution |
Voltage and current: 24 bits |
| Transient voltage: 14 bits |
| Voltage and current measurements |
Voltage measurement range |
AC voltage: 1000 V rms ±10% over range |
| DC voltage: ±1000 V + 10% over range |
| Voltage crest factor |
3 or less |
| Current measurement range |
Depends on current probe used |
| Current crest factor |
4 or less |
| RMS voltage |
Measurement type |
True rms calculated continuously: every cycle, every 1/2 cycle, and every 10 or 12 cycles at 50 or 60 Hz respectively, as required by IEC 61000-4-30. |
| Measurement uncertainty |
AC: ±0.2% reading ±0.1% full scale, above 50 V rms |
| DC: ±0.5% reading ±0.2% full scale, above 50 V dc |
| RMS current |
Measurement type |
True RMS calculated continuously: every cycle, every 1/2 cycle, and every 10 or 12 cycles at 50 or 60 Hz respectively, as required by standards |
| Transient voltage (impulse) |
Measurement type |
Waveshape sampling |
| Full scale |
8000 V pk |
| Sample resolution |
200 nS |
| Measurement uncertainty |
±5% reading ±20 V (test parameters: 1000 V DC, 1000 V rms, 100 kHz) |
| Voltage swell (rms swell) |
Measurement type |
True RMS (one cycle calculation by overlapping each half cycle - voltage between lines is measured for 3P3W lines and phase voltage is measured for 3P4W lines) |
| Displayed data |
Amplitude and duration of swell |
| Measurement |
Same as rms voltage |
| Voltage dip (rms sag) |
Measurement type |
True RMS (one cycle calculation by overlapping each half cycle - voltage between lines is measured for 3P3W lines and phase voltage is measured for 3P4W lines) |
| Displayed data |
Amplitude and duration of dip or interruption |
| Measurement |
Same as rms voltage |
| Voltage dropout (interruption) |
Measurement type |
Same as voltage dip |
| LAN interface |
Connector |
RJ-45 |
| Speed and type |
10/100 Base-T, auto MDIX |
| Communications protocol |
TCP/IP over Ethernet |
| Wireless controller interface |
Connection |
wireless (2.4 GHz radio) |
| Speed |
up to 700 kbit/second |
| Communications protocol |
Bluetooth SPP |
| Power Measurements |
| Power, battery life |
Measurement type |
True RMS calculated continuously: every cycle, and every 10 or 12 cycles at 50 or 60 Hz respectively, as required by standards |
| Frequency |
Measurement range |
42.5 to 69 Hz |
| Measurement source |
Same as PLL synchronization source |
| Measurement accuracy |
±10 mHz (10 to 110% of range, with sine wave) |
| Power factor |
Measurement range |
0.000 to 1.000 |
| Measurement accuracy |
±1 digit from the calculation of each measured value (±3 digits for total) |
| Displacement power factor |
Measurement method |
Calculated from the phase difference between voltage fundamental and current fundamental |
| Measurement range |
- 1.000 (leading) to + 1.000 (lagging) |
| Measurement accuracy |
±0.5% reading ±2% full scale ±1 digit |
| Voltage unbalance and phase sequence |
Measurement method |
Positive sequence voltage divided by negative sequence voltage, per IEC 61000-4-30 |
| Harmonic voltage and current |
Analysis window |
rectangular |
| Analysis order |
1st to 50th order |
| Measurement accuracy |
Voltage / Current: 1st to 20th orders: ±0.5% reading ±0.2% full scale, 21st to 50th orders: ±1% reading ±0.3% full scale (current sensor accuracy must be included for current and power) |
| Measurement method |
IEC 61000-4-7 |
| Inter-harmonic voltage and current (intermediate harmonics) |
Analysis window |
rectangular |
| Analysis orders |
1.5 to 49.5th order |
| Measurement method |
IEC 61000-4-7 |
| Flicker |
Measurement method |
IEC 61000-4-15 |
| Plt for 2 hours and Pst for 10 minutes |
| Measuring range |
0,1 to 5 (25) depending on voltage level, modulation and frequency |
