Technical Specifications |
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) |
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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 |
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Current: 5 channels |
Voltage channels |
Input resistance: 2 MΩ |
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Input capacitance: < 2 0 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. |
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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 |
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Transient voltage: 14 bits |
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Voltage and current measurements |
Voltage measurement range |
AC voltage: 1000 V rms ± 10 % over range |
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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 |
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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 |
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DC: ± 0.5 % reading ± 0.2 % full scale, above 50 V dc |
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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 |
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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) |
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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 |
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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 |
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Voltage dropout (interruption) |
Measurement type |
Same as voltage dip |
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LAN interface |
Connector |
RJ-45 |
Speed and type |
10/100 Base-T, auto MDIX |
Communications protocol |
TCP/IP over Ethernet |
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Wireless controller interface |
Connection |
wireless (2.4 GHz radio) |
Speed |
up to 700 kbit/second |
Communications protocol |
Bluetooth SPP |
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