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Environment temperature:
Test item: All parameters
Base condition: (23±2)°C
Working condition: -10°C~ 40°C
Relative humidity:
Test item: All parameters
Base condition: 40%~ 60%
Working condition: <80%
Phase-to-neutral voltage:
Test item: All parameters
Base condition: (100±1%)V
Working condition: 1.0V~ 1000V
Phase-to-phase voltage:
Test item: True RMS phase-to-phase voltage
Base condition: (200±1%)V
Working condition: 1.0V~ 2000V
Current:
Test item: True RMS current
Base condition: (5±1%)A
Working condition: 10mA~ 6000A
Network frequency:
Test item: All parameters
Base condition: 50Hz±0.1Hz
Working condition: 40Hz~ 70Hz
Phase shift:
Test item: Active power and active energy
Base condition: Cosφ=1
Working condition: Cosφ: 0.2~ 1.0
Test item: Reactive power and reactive energy
Base condition: Sinφ=1
Working condition: Sinφ: 0.2~ 1.0
Harmonic:
Test item: All parameters
Base condition: <0.1%
Working condition: 0.0%~ 100%
Voltage unbalance:
Test item: All parameters
Base condition: <10%
Working condition: 0.0%~ 100%
Working voltage of device:
Test item: All parameters
Base condition: DC9.8V±0.1V
Working condition: DC9.5V~ 10.5V
External electric field, magnetic field:
Test item: All parameters
Base condition: Should be avoided
Working condition: Should be avoided
Measured lead position:
Test item: Measured related parameters of current
Base condition: Tested wire at the center of clamp.
Working condition: Tested wire at the center of clamp.
