... life The principle of operationLiquid level sensors by the composition of reed switches and float, reed switch encapsulated in ... (such as: air hydraulic machine, Cooler, drainage, lubricating oil system), gardening equipment, medical equipment, beauty salon equipment, ... on or fall on (optional)Working MediumWater, oil, chemical mediaTemperature range–30~+125°CPressure range0.2MPaInstallation ...