Fire Electrical Siren consists of stainless-steel probe (316 grade) that enables it to work under severe working conditions. This siren can be used for measuring thermal level (diesel or gasoline stored in underground fuel tank). It can also be used for other type of media that can easily integrate with its steel probe. Simple handling method and high temperature proof design are its key characteristics. The provided Fire Electrical Siren is used for checking precise level of gasoline, diesel, hydraulic oil, kerosene or other combustible materials that are nonconductive by nature.