Technical Details:-
Reference conditions:
• Environmental: 23 °C ± 5 °C, instrument operating for at least 30 minutes, no external electrical/magnetic field, RH <65 %
• Input conditions: Cosϕ/PF=1, Sinusoidal signal f=50 Hz/60 Hz, power supply 120 V/230 V ±10 %.
• Current and power specifications: Input voltage 1 ph: 120 V/230 V or 3 ph wye/delta: 230 V/400 V Input current: I > 10 % of Irange
• Primary conductor of clamps or Rogowski coil in center position
• Temperature coefficient: Add 0.1 x specified accuracy for each degree C above 28 °C or below 18 °C
Electrical specifications
Power supply
Voltage range
100 V to 500 V using safety plug input when powering from the
measurement circuit
100 V to 240 V using standard power cord (IEC 60320 C7)
Power consumption Maximum 50 VA (max. 15 VA when powered using IEC 60320 input)
Efficiency ≥ 68.2 % (in accordance with energy efficiency regulations)
Maximum no-load consumption < 0.3 W only when powered using IEC 60320 input
Mains power frequency 50/60 Hz ± 15 %
Battery Li-ion 3.7 V, 9.25 Wh, customer-replaceable
On-battery runtime Four hours in standard operating mode, up to 5.5 hours in power saving mode
Charging time < 6 hours
Data acquisition
Resolution 16-bit synchronous sampling
Sampling frequency 10.24 kHz at 50/60 Hz, synchronized to mains frequency
Input signal frequency 50/60 Hz (42.5 to 69 Hz)
Circuit types 1-ϕ, 1-ϕ IT, split phase, 3-ϕ delta, 3-ϕ wye, 3-ϕ wye IT, 3-ϕ wye balanced, 3-ϕ
Aron/Blondel (2-element delta), 3-ϕ delta open leg, currents only (load studies)
Data storage Internal flash memory (not user replaceable)
Memory size Typical 10 logging sessions of 8 weeks with 1-minute intervals and 500 events1
Basic interval
Measured parameters Voltage, current, aux, frequency, THD V, THD A, power, power factor, fundamental
power, DPF, energy
Averaging interval User selectable: 1 sec, 5 sec, 10 sec, 30 sec, 1 min, 5 min, 10 min, 15 min, 30 min
Averaging time min/max values
Voltage, Current: Full cycle RMS updated every half cycle (URMS1/2 according to
IEC61000-4-30
Aux, Power: 200ms
Demand Interval (Energy Meter Mode)
Measured parameters Energy (Wh, varh, VAh), PF, maximum demand, cost of energy
Interval User selectable: 5 min, 10 min, 15 min, 20 min, 30 min, off
Power quality measurements
Measured parameter Voltage, frequency, unbalance, voltage harmonics, THD V, current, harmonics, THD
Warranty :- 6 Months
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