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| Place of Origin: | China |
| Brand Name: | Sansion |
| Certification: | CE/CNAS/ISO9001 |
| Model Number: | SXZR |
A Transformer DC Resistance Tester is an essential instrument for measuring the DC resistance of transformer windings. It helps manufacturers and electrical testing engineers evaluate winding connections, conductor integrity and contact conditions.
By injecting a stable DC current into the transformer winding and measuring the corresponding voltage drop, the instrument calculates the winding resistance with high resolution and accuracy.
This testing process helps identify potential problems such as poor welding connections, loose contacts, damaged conductors and abnormal tap changer contact resistance.
Designed for transformer manufacturing, installation, commissioning and preventive maintenance, this instrument provides a convenient solution for routine transformer winding resistance measurement.
Different resistance values between phases may indicate connection problems, winding defects or abnormal contact conditions.
Resistance measurements help identify abnormal resistance at winding joints and electrical connections.
Abnormal resistance measurements across tap positions may help identify poor contact conditions in tap changer circuits.
Three-phase simultaneous measurement can reduce repeated wiring and measurement operations when supported by the instrument.
Temperature conversion and data storage help engineers compare measurements under more consistent conditions.
It measures transformer winding DC resistance to evaluate winding connections, conductor continuity and contact conditions.
It helps identify abnormal winding resistance, poor electrical connections, damaged conductors and tap changer contact problems.
Yes. The appropriate current range and connection method can be selected according to the winding resistance and transformer specifications.
Three-phase simultaneous measurement is available on compatible models. Please confirm the supported winding connections and measurement modes.
DC testing can leave residual magnetism in the transformer core. Demagnetization helps reduce this residual magnetism before subsequent operations or tests.
Some models provide automatic current selection to simplify operation and improve measurement efficiency.
Depending on the model, data can be transferred through USB, RS232, RS485 or other supported communication interfaces.
The selection depends on winding resistance, transformer capacity, test requirements and instrument specifications.
Please provide the transformer rated capacity, voltage level, required maximum test current and preferred measurement functions to receive a suitable equipment recommendation.
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