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 Vrms ±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 Vrms = 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: 2560 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 Vrms ±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 Vrms |
DC: ±0.5% reading ±0.2% full scale, above 50 VDC |
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 VDC, 1000 Vrms, 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 |
Environmental Specifications |
Environmental |
Operating environment |
Indoors or in covered area outdoors, up to 2000 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 Vrms |
Voltage durability |
5550 Vrms 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) |