Multi-function tube oil level indicator

FTL multi-function tube oil level indicator

Description:It is adopted thread connection method. Installing is easy and its sealing performance is reliable. Its 360° observing window makes monitoring from any angle very convenient. This oil level indicator may be used for oil injection, refilling and oil level demonstration. The following functions may be added according to customer's needs: air bleeding, pressure releasing, light gas relay protecting, temperature signal indicating, pressure relay protecting, pressure-and vacuum releasing. Of which, FTL□3 oil indicator with light gas protection relay can provide light gas warming function for sealed transformer.