Function : Display whether actual oil level is safe ,with oiling function.
Concurrent function Choose one of the following function concurrently):gas release valve;pressure release valve;light gas alarm;vacuum valve;pressure display;long-range display and alarm of temperature.
Applicable range: Full-airproof transformer ,oil transformer.
Product trait : Accurate oil level display,without false oil level; diversiform function, flexible use; circular configuration,in-line window prevent unexpected knock.Random direction,stable airproof and convenient installation.