A Hydraulic Oil Level Gauge is used to measure the hydraulic oil level in a reservoir. It is made of metal or plastic and has a sight glass or window that allows the user to see the oil level. The main function of a hydraulic oil level gauge is to ensure that the hydraulic system has the correct amount of oil.Attributes:• Indicates a leak by showing a low oil level• Manufactured to precise specifications and are built for durability, reliabilityApplications:A Hydraulic Oil Level Gauge is used to ensure that the oil level is correct.