-Find the dielectrical strenght of your insulator
Breakdown Testers
Breakdown testers are instruments used to apply a controlled high voltage to an insulating material until it fails electrically, so you can find the “breakdown voltage” at which the insulation stops working safely. They are used to check the quality, safety, and remaining life of insulation in cables, transformers, oils, and other electrical components.
What breakdown testers are
- A breakdown tester is a high‑voltage test device that steadily increases voltage on an insulator (solid, liquid, or assembled equipment) while monitoring current and detecting when an electrical discharge or puncture occurs.
- The voltage level at which this discharge happens is recorded as the breakdown voltage and indicates the dielectric strength of the material or component.
Why they are used
- Safety and compliance: They confirm that insulation can withstand more than the maximum operating voltage, helping meet standards and avoid electric shock or fire hazards.
- Quality control and design: Manufacturers use them to compare materials, verify production quality, and validate that designs have enough insulation margin before products go to market.
- Maintenance and troubleshooting: In service, breakdown testing helps detect aging, contamination, or defects in insulation (for example in transformer oil or cable systems), allowing planned maintenance instead of unexpected failures.
You can acces our datasheets for our different models.
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