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目前显示的是 五月, 2024的博文

How to use insulation resistance tester?

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  Insulation resistance is generally measured with an insulation resistance tester. Insulation resistance tester is mainly used to check the insulation resistance of electrical equipment, household appliances or electrical lines to ground and between phases. It is suitable for measuring the resistance value of various insulating materials and the insulation resistance of transformers, motors, cables and electrical equipment. It is an important tool for electric power , post and telecommunications, communications, mechanical and electrical installation and maintenance, and industrial enterprise sectors that use electricity as industrial power or energy are commonly used and indispensable instruments. Principle of insulation resistance tester: The insulation resistance tester mainly excites the device or network under test with a voltage, then measures the current generated by the excitation, and uses Ohm's law to measure the resistance. For example, these electrical testers apply mu...