insulation test

rated output voltage

250V

500 volts

1000 volts

measuring range

0～50MΩ

0 to 100M Ω or above

0～2000MΩ

Medium scale value

To be 1M Ω

2MΩ

50MΩ

Output voltage

open circuit

Rated output voltage ± 10%

Output voltage

Medium-sized

Exceeding 90% of the rated output voltage

1-day effective value scale

0.05MΩ～20MΩ

0.1MΩ～50MΩ

2M Ω~1000M Ω dielectric medium

2 effective value scales

20MΩ～50MΩ

50M Ω to 100M Ω or above

1000M Ω dielectric medium~2000M Ω

accuracy

An effective scale is within ± 5%

The indicated value.

The effective scale is within ± 10%

The indicated value.

Including other scopes

Both the zero point and the zero point are within ± 1% of the range.

Low resistance

test

read range

0 to 2k Ω

mesoscale

30Ω

accuracy

Within ± 3% of the full scale length.

AC voltage measurement range

AC voltage ranging from 0 to 600 volts

AC voltage accuracy

At ± 4% full-scale value.