Description Specifications Literature Description Barksdale's Housed Diaphragm Differential Pressure Switches offer superior accuracy in a robust package, making them an ideal solution to your industrial pressure control needs. These switches are ideal applications requiring water-tight, NEMA 4 housings, a covered terminal strip and tamper-proof external adjustment. With pressure ranges up to 150 psi, these housed diaphragm differential pressure switches are suitable for use in either positive pressure or vacuum applications. Available in single-circuit and dual-circuit models. These switches feature a durable, die-cast aluminum enclosure. For applications requiring a highly accurate switch in a durable package, Barksdale's Housed Diaphragm Differential Pressure Switches are the ideal choice.Features:High reliabilityDual switching capabilityHigh accuracyTamper-proof external adjustmentNEMA 4Applications:Pump & compressor monitoringHVAC systemsEngine monitoringMachine toolsHydraulic power unitsMetal workingFiltration systemsUtility & power generationFactory preset setpoint options are available. Contact FLW for further information. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications General SpecificationsAccuracy:± 0.5% of the adjustable rangeElectrical Connection:Screw terminals on covered terminal strip through 1/2" NPT conduit fittingAdjustable Range (PRESSURE)Decreasing - psi (bar)Increasing - psi (bar)minmaxminmax.03 (.00)2.76 (.2).27 (.02)3 (.2)Adjustable Range (VACUUM)Decreasing - psi (bar)Increasing - psi (bar)minmaxminmax0.065.490.576SwitchType:Single pole double throw (SPDT)Single setpoint housedHermetically sealed limit switch option - Class I, Division IIRating:5 amps @ 125/250 VACWetted PartsDiaphragm:17-7 PH stainless steelSeals:VitonEnclosure:Die-cast aluminum anodizedPressure Connection:1/8" NPT female high + low Literature & Docs Accessories