Rated voltage

500V

1000V

2500V

5000V

Test range

0.0~99.9MΩ
100~999MΩ

0.0~99.9 MΩ
100~999 MΩ
1.00~1.99GΩ

0.0~99.9 MΩ
100~999 MΩ
1.00~1.99GΩ
10.0~99.9GΩ

0.0~99.9 MΩ
100~999 MΩ
1.00~9.99GΩ
10.0~99.9GΩ
100~1000GΩ

Open circuit voltage

DC 500V
+30%, -0%

DC 1000V
+20% -0%

DC 2500V
+20% -0%

DC 5000V
+20% -0%

Rated current

0.5MΩloading
1mA~1.2mA

1MΩ loading
1mA~1.2mA

2.5MΩ loading
1mA~1.2mA

5MΩ loading
1mA~1.2mA

Short- circuit current

Approx. 1.3mA

Accuracy

±5%rdg±3dgt (0~99.9GΩ)
±20%rdg±3dgt (above 100GΩ)

DV

AV

Measuring
range

±30~±600V

30~600V（50/60Hz）

Resolution

1V

Accuracy

±2%rdg±3dgt

Technology parameter

Technology index

Display

Max. 999 counts LCD display
(1000 counts only at 1T is displayed)

Over range indication

OL mark appears on insulation
resistance range.
LO mark appears on voltage's range.

Auto- ranging

Range shifts to upper range: 1000 count
Range shifts to lower range: 95 counts
(merely on the insulation resistance range)

Sample rate

0.5~ 10 times/sec

Operable altitude

Less than 2000m (Indoor use)

Operation circumstance

Temperature 0~40℃, humidity <= 85%

Storage circumstance

Temperature -20~ 60 , humidity <= 90%

Overload protection

Insulation resistance : AC 1200V/ 10s
Voltage : AC 720V/ 10s

Voltage resistance

AC8320 (50/60Hz)/ 5 second (between
electrical circuit and enclosure)

Insulation resistance

1000M of more/ DC 1000V (between
electrical circuit and enclosure)

Power supply

DC12V (8x1.5V LR14 battery)

Battery's life

Approx. 15 hours

Dimension

153x 96 ×200mm

Weight

1032g (without batteries and test wires)