DEFGUARD

Electric sensors; Optical sensors; Electric and optical sensors for detecting water in fuel and for detecting urea and icing inhibitors for fuel system icing inhibitors (FSIIs); Electric and optical sensors for detecting the dielectric conductivity and dielectric constant of liquids; Conductivity meters; Electrical and electronic measuring, display, inspecting and regulating apparatus for fuel pumps and refueling equipment, namely, monitoring and control units for monitoring fuel composition values, fuel temperature, differential pressures in the fueling pipe, fuel volume flow, gassing and regulating the fueling pumps speed and dosing volumes of fuel additives; Regulating and security control units for fuel pumps and refueling equipment, namely, volume flow control units for fueling pumps and electronic valves, tank stations, tank trucks, and fuel distribution pipes on airfields