3123

√ 

√ 

√ 

√ 

3125

√ 

√

√

√

Rated

voltage

250V

500V

1000V

2500V

5000V

Measuring

Range

0.0~99.9MΩ

100~999MΩ

1.00~2.50GΩ

0.0~99.9MΩ

100~999MΩ

1.00~5.00GΩ

0.0~ 99.9MΩ

100~999MΩ

1.00~9.99GΩ

0.0~99.9MΩ

100~999MΩ

1.00~9.99GΩ

10.0~99.9GΩ

0.0~99.9MΩ

100~999MΩ

1.00~9.99GΩ

10.0~99.9GΩ

100~1000GΩ

1.00~1.20TΩ

Open circuit

Voltage

DC 250V

+ 20% , -0%

DC 500V

+ 20% , -0%

DC 1000V

+ 20%, -0%

DC 2500V

+ 20%, -0%

DC 5000V

+20%, -0%

Rated Current

1mA--1.2mA

(at 0.21MΩ load)

1mA--1.2mA

(at 0.5MΩ load)

1mA--1.2mA

(at 1MΩ load)

1mA--1.2mA

(at 2.5MΩ load)

1mA—1.2mA

(at 5MΩ load)

Short circuit

Current

Approx. 1.3mA

Accuracy

±5%rdg ± 3dgt / ±20%(100GΩ or more)

Current Range

Measuring Range

Accuracy

5uA

0.000~5.250uA

±10%rdg±5dgt

50uA

5.00~52.50uA

±2.5%rdg±5dgt

250uA

50.0~262.5uA

±2.5%rdg±5dgt

1500uA

250~1500uA

±2.5%rdg±5dgt

DC voltage

AC voltage

Measuring

range

0~±1000V

30 ~600V(50/60Hz)

Resolution

1V

Accuracy

±2%rdg±3dgt