Huazheng HZZ-4000 ເຄື່ອງວິເຄາະຄຸນນະພາບພະລັງງານສາມເຟດ

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.