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■ functional features
▲ automatic discharge function: when testing the insulation resistance of capacitive load, the charging charge will be released automatically after measurement. The discharge state can be confirmed in voltage mode.
▲ backlight function is convenient for working in dark light or at night.
▲ the bar graph shows the measurement results.
▲ live line warning sign and buzzer warning.
▲ automatic shutdown function: in order to avoid battery waste caused by forgetting to shut down, the instrument will shut down automatically when there is no operation 10 minutes after measurement.
▲ automatic measurement and PI measurement (polarization index measurement), Dar measurement (induced absorption ratio measurement).
| Rated voltage | 250V | 500V | 1000V | 2500V | 5000V |
measuring range | 0.5～100.0MΩ | 0.5～ 99.9MΩ 80～1000MΩ | 0.1～99.9MΩ 80～999MΩ 0.80～2.00GΩ | 0.1～99.9MΩ 80～999MΩ 0.80～9.99GΩ 8．0～100.0GΩ | 0.1～99.9MΩ 80～999MΩ 0.80～9.99GΩ 8.0～99.9GΩ 80～20000GΩ |
Display range | 0.5～100.0 MΩ | 0.5～1000 MΩ | 0.1M～2.00 GΩ | 0.1M～100.0 GΩ | 0.1M～2000 GΩ |
Open circuit voltage | DC250V +10% ，-10% | DC 500V + 20%，-10% | DC 1000V + 20%，-0% | DC 2500V +20%，-0% | DC5000V +20%，-0% |
Freeze frame measurement current
| 1MΩ Load time 1mA～1.2mA | 2.5MΩLoad time 1mA～1.2mA | 5MΩ Load time 1mA～1.2mA | ||
short-circuit current | 5mA±0.5mA | ||||
accuracy | ±5%±3dgt | ±5%±3dgt±20% | |||
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