The Oil Level Indicators are used in any place with fluid storage (reservoir, tank, or gearbox) to reliably indicate single-point or multi-point readings of oil level. These are electrical sensors of reed-switch design that include an aluminum or non-metallic float with a magnet. They are designed to indicate the Oil level inside the tank with a visual indicator above the tank. They are used for hermetically sealed and for distribution transformers with expansion tank. They are suitable for indoor and outdoor use. The offered Oil Level Indicators are made for use in the various industries as per the need.