Switches | Dwyer Instruments

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SwitchesSensors with an electrical contact output at a speci�c di�erence between two pressures. Can also be used for singlepressure.

Series 1800Low Di�erential Pressure Switch for GeneralIndustrial Service Set Points from 0.07" to 85" w.c. RepetitiveAccuracy within 2%

Series 1900Compact Low Di�erential Pressure Switch Set Points from 0.07" to 20" w.c., RepetitiveAccuracy within 3%

Series 1950Explosion-proof Di�erential Pressure Switch Compact, Low Cost, Explosion-proof andWeatherproof

Series H3Explosion-Proof Di�erential Pressure Switch Setpoints from 10" w.c. to 200 psid – Rated1500 psig, Weatherproof

Series 1950GExplosion-proof Di�erential Pressure Switch Explosion-proof, Weatherproof, Compatiblewith Natural Gases

Series 1620Single and Dual Pressure Switch High Reliability, Repetitive Accuracy within ±1%

Series 1630Large Diaphragm Di�erential PressureSwitches Visual Set Point Adjustment in 5 StandardRanges, 0.05" to 12" w.c. Repetitive Accuracywithin ±1%

Series 1640Floating Contact Null Switch for High and LowActuation Visual Set Point Adjustment, Adjustable NullZone

Series DPDouble Bellows Di�erential Pressure Switch Visible Setpoints, Adjustable or FixedDeadband . . . High Pressure Ranges

Series PGGas Pressure/Di�erential Pressure Switch External Adjustment, Visible Dial, HermeticallySealed Snap or Mercury Switch

Switches | Dwyer Instruments

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Home / Products / Pressure / Single Pressure / Switches

SwitchesSensors with an electrical contact output at a speci�c pressure.

Series DA/DSBourdon Tube Pressure Switches Pressure Ranges to 8000 psi (551.6 bar)

Series A7Mini Pressure Switch Designed for OEM’s, High Current Capacity

Series A9Snap-Action Pressure Switch High Current Capacity, High TemperatureRating

Series SA1100Diaphragm Operated Pressure Switches Visible Setpoint, Adjustable Deadband,Hermetically Sealed Snap Switch, Weatherproofand Explosion-proof

Series 1000WWeatherproof Diaphragm Operated PressureSwitches Visible Setpoint, Fixed Deadband, PressureRanges to 1400 psi

Series H2Dual-Action Explosion-Proof Pressure Switches Explosion-proof and Weatherproof Housing

Series APDiaphragm Operated Pressure Switches Visible Setpoint Adjustment, Compact

Series CS & CDDiaphragm Pressure Switch Visible Set Points, Fixed or AdjustableDeadband

Series APS/AVSAdjustable Pressure Switch Vacuum and Pressure Ranges, 5 A Switch,Compact Size

Series A1PS/A1VSEconomical Pressure Switch Vacuum and Compound Ranges Available,Adjustable Set Point

Switches | Dwyer Instruments

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Series MSAG/MSAH/XTBXDiaphragm Seal For Use with DA Series Pressure Switches

Series MVSMiniature Vacuum Switch SPDT N/O or N/C Switch, Adjustable Set Point,Ideal for OEM's

Series A2Subminiature Pressure Switch Field Adjustable

Series MHSMiniature High Sensitivity Pressure Switch SPDT N/O or N/C Switch, Adjustable Set Pointsfrom 3 in. H20 to 60 PSI

Series CXCompressor Pressure Switch Adjustable Set Point and Deadband, 20 AmpRating

Series CXAWater Pump Pressure Switch Simple, Reliable, Adjustable Set Point andDeadband

Series A6Durable Pressure Switch Designed for Extended Duty, Simple andReliable

Series 1000EExplosion-Proof Diaphragm Operated PressureSwitches Visible Setpoint, Fixed Deadband, PressureRanges to 1400 psi

Series A1FLow Cost OEM Pressure Switch Field Adjustable with Weather-Proof Enclosure

Series EDAElectronic Pressure Controller 2 Switches, Indicating Gage, and Transmitter inOne Package

Series MDPCMini Digital Pressure Controller Small, Lightweight, 6 Selectable Pressure Units

Switches | Dwyer Instruments

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Series 1996Gas Pressure Switch Compact, Low Cost, Range 4 to 20" w.c.

Series MDSMiniature Pressure Switch Shock and Vibration Resistant, Lightweight andCompact, Gold Contacts

Series MDAMiniature Adjustable Pressure Switch Adjustable Set Points from 0.1 to 100" of H2O

Series A4Di�erential Pressure Switch Adjustable Set Point, High Overpressure

Series PDPSCompact Economic Di�erential Pressure Switch Low Pressures down to 0.07" w.c.

Series 1700Low Di�erential Pressure Switch Designed forOEM Products Competitively Priced Limit Switch CombinesFast, Simple Installation with QualityConstruction and Materials, UL and CSARecognized

Series ADPS/EDPSHVAC Di�erential Pressure Switch With Dual Scale Field Adjustable Set Point Knob

Series BYDSBypass Damper Switch Controls Zone Static by Modulating MotorizedDamper

Series 1831DPDT Low Di�erential Pressure Switches Manual Reset, No Power Required

Series BDPAAdjustable Di�erential Pressure Alarm 24 Volt or Battery Powered, Built-in Audible andVisual Alarm

Series DXWet/Wet Di�erential Pressure Switch NEMA 4X Enclosure, Low Di�erential Set Points

Series AT11910ATEX Approved 1910 Di�erential PressureSwitch Series 1910 in Flame-Proof ATEX Enclosure

Switches | Dwyer Instruments

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Series AT1ADPSATEX Approved ADPS Adjustable Di�erentialPressure Switch The ADPS in Flame-Proof ATEX Enclosure

Series AT21823ATEX Approved 1823 Di�erential PressureSwitch The 1823 in Flame-Proof ATEX Enclosure

Series EWDPWireless Communications AdjustableDi�erential Pressure Switch EnOcean® Wireless Technology

Current Transformers / Switches | Dwyer Instruments

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Home / Products / Process Control / Current Transformers / Switches

Current Transformers / Switches

Series 3868Tell Tale Jr.™ Open Heater Detector Indicates Open Loads

Series LTTJCurrent Transformer 0 to 10 VDC Analog Output, Fully AdjustableOutput, Over Voltage Protection

Series SCSCurrent Switch Optional Relay Output, Solid or Split Core Case

Series CCT40/50Current Transformer Solid or Split Core, Field Selectable Range

Series CCT60/70True RMS Current Transformer Solid or Split Core, Field Selectable Range

Series CCSCurrent Switch Solid or Split Core, LED Visual Con�rmation,Fixed or Adjustable Set Point

Series SCTCurrent Transformer Optional Auxiliary, Relay Output, Split Core

Series MCSMiniature Current Switch Low Cost, Solid or No Core, LED Con�rmation,Adjustable Set Point

Model MSCSMiniature Current Switch Split Core, Integral Mounting Tabs

Series SSCSSure-Set Current Switch Split Core, Adjustable Set Point