Dwyer Instruments

The distinguished heritage of Dwyer Instruments is based on quality and reliability. The company stands as a major manufacturer of competitively priced controls and instrumentation for HVAC, chemical, food, oil and gas, and other industries. Dwyer’s popular brands and diversified products include the proven Magnehelic differential pressure gauges, as well as Photohelic pressure switch/gauges and Rate Master flowmeters. Following decades of progress, Dwyer continues to move forward, continually introducing and updating its accurate instruments. Transcat carries an impressive inventory of Dwyer models, including the top of the line series of manometers, digital pressure gauges, differential pressure controllers, flow switches, air velocity meters and more.
Filter By
Hide Filters
View as
Showing 1-25 of 8460
per page
Set Ascending Direction
  1. Dwyer Instruments DPG-111
    Dwyer Instruments DPG Digital Pressure Gauge,5K PSI 0.25%FS
    Order #: DPG-111
    Mfg #: DPG-111
    Availability: In stock
    $292.00
    Digital Pressure Gauge,5K PSI 0.25%FS Learn More
  2. Dwyer Instruments 1950-10-2F
    Dwyer Instruments 1950-10-2F EP Differential Pressure Switch 3/11"WC,UL/FM/CSA,SPDT
    Order #: 1950-10-2F
    Mfg #: 1950-10-2F
    Availability: In stock
    $311.00
    EP Differential Pressure Switch 3/11"WC,UL/FM/CSA,SPDT Learn More
  3. Dwyer Instruments A-396A
    Dwyer Instruments A-396A Calibration Pump (PRESSURE)
    Order #: A-396A
    Mfg #: A-396A
    Availability: In stock
    $498.83
    Calibration Pump (PRESSURE) Learn More
  4. Dwyer Instruments 1950
    Dwyer Instruments 1950 EP/WP Diff.Press.Switch 4 to 1.6"WC
    Order #: 1950-1-2F
    Mfg #: 1950-1-2F
    Availability: In stock
    $311.00
    EP/WP Diff.Press.Switch 4 to 1.6"WC Learn More
  5. Dwyer Instruments RMB-55-SSV
    Dwyer Instruments RMB-55-SSV RMB Series FlowmeteR w/SS Valve 40-400 SCFH Air
    Order #: RMB-55-SSV
    Mfg #: RMB-55-SSV
    Availability: In stock
    $74.50
    RMB Series FlowmeteR w/SS Valve 40-400 SCFH Air Learn More
  6. Dwyer Instruments BCHP-1
    Dwyer Instruments BCHP-1 Low Pressure Calibration Pump Calibration Test Pump
    Order #: BCHP-1
    Mfg #: BCHP-1
    Availability: In stock
    $977.00
    Low Pressure Calibration Pump Calibration Test Pump Learn More
  7. Flowmeter,.2-4 LPM air
    Dwyer Instruments VFB-65 Flowmeter,.2-4 LPM air
    Order #: VFB-65
    Mfg #: VFB-65
    Availability: In stock
    $63.50
    Flowmeter,.2-4 LPM air Learn More
  8. Dwyer Instruments SGZ-D10722N-GF
    Dwyer Instruments SGZ-D10722N-GF SS Industrial Pressure Gauge 2.5",1/4"npt bottom,200psi,glyc
    Order #: SGZ-D10722N-GF
    Mfg #: SGZ-D10722N-GF
    Availability: In stock
    $52.40
    SS Industrial Pressure Gauge 2.5",1/4"npt bottom,200psi,glyc Learn More
  9. Dwyer Instruments RHP-3D11
    Dwyer Instruments RHP-3D11 Duct mount 3% RH/Temperature Transmitter, 4-20 mA O/P
    Order #: RHP-3D11
    Mfg #: RHP-3D11
    Availability: In stock
    $151.00
    Duct mount 3% RH/Temperature Transmitter, 4-20 mA O/P Learn More
  10. Dwyer Instruments 1950
    Dwyer Instruments 1950 EP Diff.PressSwitch,.07to.15"WP
    Order #: 1950-00-2F
    Mfg #: 1950-00-2F
    Availability: In stock
    $311.00
    EP Diff.PressSwitch,.07to.15"WP Learn More
  11. Dwyer Instruments A-451
    Dwyer Instruments A-451 HHT Replacement 2% Sensor
    Order #: A-451
    Mfg #: A-451
    Availability: In stock
    $93.53
    HHT Replacement 2% Sensor Learn More
  12. Dwyer Instruments A-183
    Dwyer Instruments A-183 Protective Gage Boot/DPG Series Gage
    Order #: A-183
    Mfg #: A-183
    Availability: In stock
    $13.00
    Protective Gage Boot/DPG Series Gage Learn More
  13. Dwyer Instruments RMB-53-SSV
    Dwyer Instruments RMB-53-SSV RMB Series Flowmeter w/SS Valve 10-100 SCFH Air
    Order #: RMB-53-SSV
    Mfg #: RMB-53-SSV
    Availability: In stock
    $74.50
    RMB Series Flowmeter w/SS Valve 10-100 SCFH Air Learn More
  14. Dwyer Instruments ITA9604D
    Dwyer Instruments ITA9604D Industrial Thermometer 6" stem, 30 to 180 F
    Order #: ITA9604D
    Mfg #: ITA9604D
    Availability: In stock
    $72.00
    Industrial Thermometer 6" stem, 30 to 180 F Learn More
  15. Dwyer Instruments 8904
    Dwyer Instruments 8904 Integral Vane Thermo-Anemometer
    Order #: 8904
    Mfg #: 8904
    Availability: In stock
    $122.00
    Integral Vane Thermo-Anemometer Learn More
  16. Dwyer Instruments 1222-M400-W/M
    Dwyer Instruments 1222-M400-W/M Flex-Tube U-Tube Manometer 200-0-200 mm H2O/mercury
    Order #: 1222-M400-W/M
    Mfg #: 1222-M400-W/M
    Availability: In stock
    $85.50
    Flex-Tube U-Tube Manometer 200-0-200 mm H2O/mercury Learn More
  17. Dwyer Instruments SG5-G0622N
    Dwyer Instruments SG5-G0622N Contractor Gauge 0 to 160 psi,1/4"NPT bottom CXN
    Order #: SG5-G0622N
    Mfg #: SG5-G0622N
    Availability: In stock
    $21.00
    Contractor Gauge 0 to 160 psi,1/4"NPT bottom CXN Learn More
  18. Dwyer Instruments VFC-121-EC
    Dwyer Instruments VFC-121-EC Visi-Float Flowmeter, 4-25 SCFM air, 1" female NPT end CXN
    Order #: VFC-121-EC
    Mfg #: VFC-121-EC
    Availability: In stock
    $145.00
    Visi-Float Flowmeter, 4-25 SCFM air, 1" female NPT end CXN Learn More
  19. Dwyer Instruments A-2026-2
    Dwyer Instruments A-2026-2 Stainless Steel Fitting tee, 1/4" FNPT
    Order #: A-2026-2
    Mfg #: A-2026-2
    Availability: In stock
    $7.60
    Stainless Steel Fitting tee, 1/4" FNPT Learn More
  20. Dwyer Instruments SFI-800-1/2-A711
    Dwyer Instruments SFI-800-1/2-A711 Polysulfone Sight Flow Indicator,2-20 GPM,1/2" (F) NPT
    Order #: SFI-800-1/2-A711
    Mfg #: SFI-800-1/2-A711
    Availability: In stock
    $172.50
    Polysulfone Sight Flow Indicator,2-20 GPM,1/2" (F) NPT Learn More
  21. New
    Dwyer Instruments 490A-5 Wet/Wet HH Digital Manometer 0-500PSI
    Dwyer Instruments 490A-5 Wet/Wet HH Digital Manometer 0-500PSI
    Order #: 490A-5
    Mfg #: 490A-5
    Availability: In stock
    $937.00
    Wet/Wet HH Digital Manometer 0-500PSI Learn More
  22. Dwyer DEVCOM SOFTWARE HART Communicator Software
    Dwyer Instruments DEVCOM SOFTWARE HART Communicator Software
    Order #: DEVCOM SOFTWARE
    Mfg #: DEVCOM SOFTWARE
    Availability: In stock
    $1,795.00
    HART Communicator Software Learn More
  23. Dwyer IP-44 Current to Pressure Transducer
    Dwyer Instruments IP-44 Current to Pressure Transducer 4-20 mA input, 6-30 psi output
    Order #: IP-44
    Mfg #: IP-44
    Availability: In stock
    $448.00
    Current to Pressure Transducer 4-20 mA input, 6-30 psi output Learn More
  24. Dwyer Instruments 477B-6
    Dwyer Instruments 477B-6 HH Digital Manometer 0 to 50PSI(0 to 344.7kPa)
    Order #: 477B-6
    Mfg #: 477B-6
    Availability: In stock
    $489.00
    HH Digital Manometer 0 to 50PSI(0 to 344.7kPa) Learn More
  25. Dwyer Instruments VFB-66
    Dwyer Instruments VFB-66 Series VF Visi-Float Flowmeter Range 1-10 LPM air
    Order #: VFB-66
    Mfg #: VFB-66
    Availability: In stock
    $63.50
    Series VF Visi-Float Flowmeter Range 1-10 LPM air Learn More
Filter By
Hide Filters
View as
Showing 1-25 of 8460
per page
Set Ascending Direction