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1. Measuring voltage: about 5000V DC
2. Range range: 0∽1999MΩ
3. Resolution: 1MΩ
4. Basic error: ± 5%
5. Power supply: One 9V stacked battery
6. Power supply current: about 20mA
7. Ambient temperature: 0 ℃ ∽40 ℃
8. Environmental humidity: ≤85% RH