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| Place of Origin: | China |
| Brand Name: | Sansion |
| Certification: | CE/CNAS/ISO9001 |
| Model Number: | SXZR |
The Transformer DC Resistance Tester with Automatic Demagnetization combines winding resistance measurement with a demagnetization function.
During DC winding resistance testing, the DC current can magnetize the transformer core. Residual magnetism may influence subsequent transformer electrical measurements.
An automatic demagnetization function helps reduce this residual magnetism through a controlled demagnetization process.
This instrument is particularly useful for power transformer maintenance teams, electrical testing companies and transformer manufacturing facilities that perform multiple electrical tests.
Applying DC current to transformer windings can leave residual magnetism in the transformer core.
Residual magnetism may affect certain subsequent tests, such as excitation current measurements.
An integrated demagnetization function can simplify the workflow compared with using separate equipment.
A combined resistance measurement and demagnetization instrument helps reduce the number of devices needed for routine field work.
DC current may magnetize the transformer core. Demagnetization helps reduce residual magnetism before subsequent testing or operation.
No. This function depends on the instrument model.
Models with an automatic demagnetization sequence can perform the function according to their operating procedure.
No. They are separate functions with different purposes.
Yes. Models with appropriate current ratings, protection and field-use design are suitable for transformer maintenance applications.
The instrument should complete the required discharge and measurement sequence before demagnetization. Operators should follow the manufacturer's specified procedure.
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