| Power quality measurement standards |
| Conformance |
IEC 61999-1-4 Class 1, IEC 61000-4-30 Class A or B depending on measurement function, IEEE519, IEEE1159, IEEE1459 and EN50160 |
| Clock/calendar |
Leap years, 2 4-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 2 40 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 mm x 310 mm x 35 mm (8.5 in x 12.2 in 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 |
| Current input characteristics |
2 V rms = full scale, 1 MO 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: 2 56 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: 2 4 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 ± 2 0 V (test parameters: 1000 V dc, 1000 V rms, 100 kHz) |
| Voltage swell (rms swell) |
| Measurement type |
rue 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 2 0th orders: ± 0.5 % reading ± 0.2 % full scale, 2 1st 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 |
| Environmental Specifications |
| Environmental |
| Operating environment |
Indoors or in covered area outdoors, up to 2 000 m altitude |
| Storage temperature and humidity |
-20 °C to 50 °C, 80 % RH max, non-condensing |
| Operating temperature and humidity |
0 °C to 40 °C, 80 % RH max, non-condensing |
| Maximum rated working voltage |
| Voltage terminals |
1100 V rms |
| Voltage durability |
5550 V rms ac for 1 minute, between voltage input terminals, voltage input terminals and current probes, and voltage input terminals and case (50/60 Hz, 1 mA sense current) |
| Enclosure protection |
IP30 (per EN 60529) |
| Standards: |
| EMC |
EN 61326-1:1997+A1:1998 Class A
EN 61000-3-2:1995+A1:1998+A2:1998
EN 61000-3-3:1995 |
| Safety |
EN 61010-1 2 nd Edition; 2 000
Voltage input unit: Contamination Level 2 , Overvoltage Category
1000 V CAT III, 600 V CAT IV (anticipated overvoltage: 8000 V) |