The Signet 2540 Paddlewheelflow sensor offers the strength and corrosion resistance ofstainless steel for liquid applications with low velocitymeasurements. Unique internal circuitry eliminates the need formagnets in the process fluid, enabling flow measurement of 0.1 to 6m/s (0.3 to 20 ft/s) while maintaining the advantages of insertionsensor design. Rulon? B (Fluoroloy B?/PTFE) bearings and TungstenCarbide pin provide exceptional wear resistance.
The Signet 2540 offersfield replaceable electronics and transient voltage suppression(TVS) to provide greater immunity to large voltage disturbances(i.e. lightning) sometimes encountered in field wiring. Sensors canbe installed in DN40 to DN600 (1? to 24 in.) pipes using the 1?inch NPT or ISO 7/1-R 1.5 threaded process connection. The sensorsare also offered in a hot-tap configuration with a bleed valveservice without process shutdown in pipes up to DN900 (36 in.).Both styles of sensors must be used in full pipes and can be usedin low pressure systems.
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