Electrical Megger Test

It s also known as an insulation tester.

Electrical megger test.

It should always be kept in mind that technically this test should always be addresses or called insulation test. To test a cable with a megger you connect one probe to the outside of the cable and with the power turned off you touch the probe to the conducting wire at the point of connection. Megger is a brand name and not a test description although mostly the equipment being used for this test is branded megger. Megger makes electrical test equipment to help you install improve efficiency and extend the life of electrical assets and cable networks at high medium and low voltage.

From power station to plug megger test equipment helps you maintain the electrical network monitor its condition and maintain supply to your customers. Figure 2 typical megger test instrument hook up to measure insulation resistance. Insulation resistance quality of an electrical system degrades with time environment condition i e. The megger test is a method of testing making use of an insulation tester resistance meter that will help to verify the condition of electrical insulation.

To electrical insulation testing. We perform megger test for industrial plants large commercial facilities and municipal power stations. Temperature humidity moisture and dust particles. Provides comprehensive megger test services as part of our electrical testing and maintenance services.

The generator can be hand cranked or line operated to develop a high dc voltage which causes a small current through and over surfaces of the insulation being tested fig. Figure 2 typical megger test instrument hook up to measure insulation resistance. Megger tests are important because the test makes sure that your electrical insulation is safe and operating as intended. A megger is an ohmmeter that measures resistance in the megohm scale.

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