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) |
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. |
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 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 |
