How do you test a transformer using a multimeter?
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September 16, 2024 at 3:41 pm by Mohamed Alam
To test a transformer using a multimeter, first ensure the unit is disconnected from any power source. Set your multimeter to the ohms (Ω) setting to check the primary and secondary windings for continuity. Measure the resistance across the primary terminals; a reading within the manufacturer’s specified range indicates that the winding is intact. Next, check the secondary winding in the same manner. For further testing, you can set the multimeter to AC voltage to assess the output under load conditions; connect it to the secondary side and apply power to the primary side, ensuring the voltage matches the expected output specifications. If any irregularities are found during these tests, it may indicate a fault within the transformer, such as a short circuit or broken winding. It is essential to follow safety practices and handle the multimeter correctly to prevent damage or injury.
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