monitor function

Three phase voltage and average value

Three phase line voltage and average value

Three phase current, zero sequence current

Three phase active, reactive, and apparent power

Three-phase power factor, system power factor

Voltage and current imbalance

Frequency

Effective value of fundamental wave of voltage and current

STATISTICS

2-31st harmonic components of voltage and current

Odd, even, and total harmonic distortion rates of voltage and current

Electric parameter over limit alarm

Statistics and occurrence time of extreme values of electrical parameters

Maximum demand for total active and reactive power in both directionsAnd the time of occurrence

k-factor

Electricity measurement accumulation function

Absolute values of three-phase active and reactive power measurement

Positive and negative total active and reactive electricity measurement

Four quadrant reactive power measurement

Time division multiple rate electricity measurement statistics (4 rates, 48 time periods)

communication

RS485 communication interface

Input/output function

4-channel switch input

2-channel relay output

1 channel 4-20mA DC transmission output (or 1 channel power pulse output)