Specifications
Measured Parameters
The unit can monitor and display the following parameters of a single phase two wire(1p2w),
three phase three wire(3p3w) or four phase four wire(3p4w) supply.
Voltage and Current
Phase to neutral voltages 100 to 289V a.c. (not for 3p3w supplies)
Voltages between phases 173 to 500V a.c. (3p supplies only)
Percentage total voltage harmonic distortion (THD%) for each phase to N ( not for 3p3w supplies)
Percentage voltage THD% between phases (three phase supplies only)
Current THD% for each phase
Power factor and Frequency and Max. Demand
Frequency in Hz
Instantaneous power:
Power 0 to 3600 MW
Reactive Power 0 to 3600 MVAr
Volt-amps 0 to 3600 MVA
Maximum demanded power since last Demand reset Power factor
Maximum neutral demand current, since the last Demand reset (for three phase supplies only)
Energy Measurements
⚫ Imported/Exported active energy 0 to 9999999.9 kWh
⚫ Imported/Exported reactive energy 0 to 9999999.9 kVArh
⚫ Total active energy 0 to 9999999.9 kWh
⚫ Total reactive energy 0 to 9999999.9 kVArh
Measured Inputs
Voltage inputs through 4-way fixed connector with 2.5mm² stranded wire capacity. single phase
two wire(1p2w), three phase three wire(3p3w) or four phase four wire(3p4w) unbalanced. Line
frequency measured from L1 voltage or L3 voltage.
Three current inputs (six physical terminals) with 2.5mm² stranded wire capacity for connection
of external CTs. Nominal rated input current 5A or 1A a.c. Rms.
Accuracy
⚫ Voltage 0·5% of range maximum
⚫ Current 0·5% of nominal
⚫ Frequency 0·2% of mid-frequency
⚫ Power factor 1% of unity (0.01)
⚫ Active power (W) ±1% of range maximum
⚫ Reactive power (VAr) ±1% of range maximum
⚫ Apparent power (VA) ±1% of range maximum
⚫ Active energy (Wh) Class 1 IEC 62053-21
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