| 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 | | Current: 5 channels | | Voltage channels | Input resistance: 2 MΩ | | 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 | | Transient voltage: 14 bits |
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| 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 |
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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 | | 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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