Mass Flow SwitchDelta M Corporation’s Micro-tuf II Mass Flow Switches detect mass flowrate of liquid or gas as well as level in vessels. This technology is a good fit for monitoring liquid and gas flow for minimum or no-flow conditions. Developed for custom use, this switch is capable of alarming for either high or low level in liquid storage tanks and switch on level change of 0.3 inch without concern for changing temperature, density, di-electric constant, or chemical composition. The flow switch’s design is free of all moving parts that can stick, coat or fail. It comes with a two-year warranty. This product is also available with a 3A1 sanitary connection. www.deltamcorp.com