Megger MTO210


Direct 2-channel digital reading (1 µΩ to 2000 Ω) DC test current up to 10 A maximum 0.25% measurement accuracy Integrated demagnetization feature Tests operation of on-load tap-changers Very fast auto safety discharge circuit The MTO210 transformer ohmmeter is a line-operated, field-portable instrument designed specifically to measure the dc resistance of all types of magnetic windings safely and accurately. It can test transformers and rotating machine windings and perform low-current resistance measurements on connections, contacts and control circuits. The Transformer Ohmmeter is extremely useful when testing the windings and contact resistance of tap-changers with “make-before-break” contacts and voltage regulators. This action will check for pitted or misaligned contacts as the instrument will give an indication if either condition occurs.
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