1000V: 1MΩ to 2000MΩ. 500V: 0.1MΩ to 200MΩ. 0V to 1000V. 250V: 0.1MΩ to 200MΩ. Insulation Resistance. 0V to 750V. The item in the actual use of the process of quality problems. We also have a high-standard team, qualified by authorized organizations to ensure products are of the highest quality.
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