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Thermal mass flow switches for all industrial applications are designed with two-wire, 4-20mA loop power. Using 24 Vdc input power, the unit enables retrofitting of existing two-wire failure-prone mechanical float and paddle switches without any wiring modifications. An optional alarm with SPDT 6 amp relay and input power of 85 to 265 Vac, 24 Vdc or 24 Vac is also now available. Highly responsive in gas, air, hydrocarbons or water, the units feature no-clog thermal type sensor elements. NuTec® Series FS2000 Flow Switch, LS2000 Level Switch.
