MTS Sensors” M-Series magnetostrictive sensing technology provides both tank level and temperature measurement of flammable liquids. With a rugged design, the M-Series is capable of monitoring light oils, diesel fuels, and gasoline at various locations throughout the United States. The level sensors are a good fit for above-ground storage tank applications. By providing temperature monitoring along with level measurement, they allow users to closely monitor the volume of product in tanks. The sensor, consisting of a flexible stainless steel pipe and electronics contained in explosion-proof housing, works by sending an electrical pulse along the length of the waveguide installed in the tank. A float with an integral magnet rests on the liquid level’s surface and allows the electronics to calculate the level or interface inside the tank from the return signal generated by the interaction between the waveguide pulse and the float magnetic field. The float moves up and down the pipe as liquid raises or lowers in the tank. Digital temperature sensors along the length of the pipe determine the temperature of the stored fuel for accurate monitoring. The level sensor provides solid accuracy for both underground and above-ground storage tank applications. With the capability to provide level, interface, and temperature measurement all from one tank opening, the sensor offers a wide variety of options for storage tank operators. The level sensors also provide remote programming and diagnostic capabilities via serial communication to simplify commissioning and trouble-shooting. The sensor has a maximum nonlinearity of 0.008 percent full scale (1/16”) and a repeatability of less than 0.002 percent full scale (0.015”). It is available in various lengths, from 18 in. to 60 ft.