Insulation Resistance Measurement |
Rated output voltage (DC) |
50V |
125V |
250V |
500V |
1000V |
Effective maximum indicated value |
100 MΩ |
250 MΩ |
500 MΩ |
2000 MΩ |
4000 MΩ |
First effective measurement range [MΩ] |
0.200 to 10.00 |
0.200 to 25.00 |
0.200 to 50.0 |
0.200 to 500 |
0.200 to 1000 |
Accuracy |
±2% rdg. ±2 dgt. |
Second effective measurement range [MΩ] |
10.1 to 100.0 |
25.1to 250 |
50.1 to 500 |
501 to 2000 |
1010 to 4000 |
Accuracy |
±5% rdg. |
Other measurement range [MΩ] |
0 to 0.199 |
Accuracy |
±2% rdg. ±6 dgt. |
Lower limit resistance |
0.05 MΩ |
0.125 MΩ |
0.25 MΩ |
0.5 MΩ |
1 MΩ |
Overload protection |
600 V AC (10s) |
660 V AC (10s) |
Voltage Measurement |
DCV Range / Accuracy |
4.2 V, 42 V, 420 V, 600V / ±1.3% rdg. ±4 dgt. |
ACV Range / Accuracy |
420 V, 600 V / ±2.3% rdg. ±8 dgt. |
ACV Measurement Principles |
Average responding type |
ACV Frequency Range |
50 / 60 Hz |