This differential pressure switch is used to sense pressure/air flow in ducts. Ambient temperature min./max.: -40°f (-40°c) min. 167°F (75°c) max.; connector: high pressure connectors are metal 1/8 in. Internal NPT inside, 1/2 in. Naps outside for mounting. Low pressure connectors are molded, 1/8 in. Internal NPT. Contact action: SPDT; range in. Wk. (kPa): 0.15 to 12 (0.037 to 2.99); sensitivity at min. Set point in. Wk. (kPa): 0.07 (0.017).
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