접지 저항 시험기 KVTester ZC-413

Impedance measurement range

0~200Ω

Resolution

0.001Ω

Measurement error

±(reading×1%+0.001Ω)

Anti ground voltage interference ability:

30V power frequency interference voltage error is not greater than 0.002 (test current is not less than 3A)

Measured current wave form

sine wave.

Measured current frequency

45Hz,55Hz, double frequency.

Maximum output current

5A

Maximum output voltage

200

Measured wire required value

Section surface of current wire copper core≥2.5 mm2

Section surface of voltage wire copper core

≥1.0 mm2

Power supply

AC220V±10%, 50Hz