Transformer insulating oil serves as both cooling and dielectric medium inside power transformers. Its dielectric strength is a critical indicator reflecting oil contamination, moisture ingress and aging condition. Regular BDV test is mandatory for transformer maintenance labs and field‑service teams to avoid unexpected equipment failure.
The FOT‑IA series automatic transformer oil breakdown voltage tester is engineered for this key measurement task. Supporting 60kV /80kV /100kV testing ranges, it complies with IEC 156 and relevant international standards. Equipped with a large color touch‑screen interface, the unit runs fully‑automatic test sequences and supports customized test procedures for different lab requirements.
Built‑in thermal printer enables instant report output, while internal memory stores up to 100 groups of test results. Data can be exported via RS232 or optional USB port for further documentation. The test vessel fits mineral, ester and synthetic transformer oils with adjustable electrode gap. Light‑weight and compact design allows both laboratory bench use and on‑site field testing. Third‑party traceable calibration certificates are available upon request, making it reliable for power utility and third‑party oil‑testing laboratories worldwide.
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