Description
Insulating Oil Test Set Repair
The Insulating Oil Test Set is a dielectric oil test set – it raises a voltage across a precise electrode gap immersed in an oil sample until the oil breaks down. The result depends on the gap being exactly right and the sample being properly mixed, as much as on the voltage measurement.
Certified technicians at June Company service the Insulating Oil Test Set for utility maintenance crews, transformer service teams, and oil testing laboratories. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.
Common Insulating Oil Test Set problems we fix
- Display, keypad or front-panel faults.
- Internal power supply faults.
- Breakdown voltage readings inconsistent – usually electrode gap or sample handling rather than the measurement circuit.
- Electrode gap out of specification or electrodes pitted.
- High-voltage output not ramping correctly.
- Stirrer not operating.
- Test vessel damage or contamination.
- Automatic sequence or averaging faults.
FAQs
How long does a repair take? Most are completed in 5-10 business days, with a firm quote after evaluation and before any work begins.
Are the measurements verified after repair? Yes, against reference standards, with the measured results documented and returned with the instrument.
Every repair carries a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.







