Description Specifications Literature Description Barksdale's CD1H and CD2H Housed Diaphragm Pressure Switches provide an ideal solution for pressure control applications requiring tamper proof external adjustment and environments which require water-tight NEMA 4 housings. These pressure switches are available in single or dual control settings for both positive pressure and vacuum models, to 150 psi. These snap-action switches may be wired normally open or normally closed through a 3/4"-14 NPT conduit connector to free leads to 18". All models feature self-locking set screw adjustment and dials which are calibrated for increasing setting. For applications requiring a highly accurate switch in a durable package, Barksdale's CD1H and CD2H Housed Diaphragm Pressure Switches are the ideal choice. Stripped models are also available.Features:High reliabilityExtremely versatileCalibrated dial for easy setpoint adjustmentIdeal for pressure or vacuumApplications:MedicalWater equipmentFood & beverageAir proving in HVAC systemsEngine monitoringFactory automation State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications General SpecificationsAccuracy:± 0.5 % of the adjustable rangeElectrical Connection:Free leads approximately 18" long, 16 AWG through 3/4" NPT conduit connectorPressure Connection:Standard 1/4" NPT femaleAdjustable Range (PRESSURE)Decreasing - psi (bar)Increasing - psi (bar)minmaxminmax.4 (.03)17.74 (1.2).66 (.05)18 (1.2)Adjustable Range (VACUUM)Decreasing - psi (bar)Increasing - psi (bar)minmaxminmax0.829.21.630SwitchType:Single setpoint housed versionHermetically sealed limit switch option - Class I, Division IIHermetically sealed limit switch option - Class I, Division IIRating:1 amp @ 125 VAC; 1 amp @ 24 VDC with gold contacts (not UL approved)Wetted MaterialProcess Fitting:304 stainless steelDiaphragm:17-7 PH stainless steelEnclosure:Anodized aluminum Literature & Docs Product Specifications Accessories