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.

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  1. Dwyer Instruments A-396A
    Dwyer Instruments A-396A Calibration Pump (PRESSURE)
    Order #: A-396A
    Mfg #: A-396A
    Availability: In stock
    $467.00
    Calibration Pump (PRESSURE) Learn More
  2. Dwyer Instruments 471B-1
    Dwyer Instruments 471B-1 Digital thermo-anemometer, w/Probe,Batteries,Strap,Case
    Order #: 471B-1
    Mfg #: 471B-1
    Availability: In stock
    $555.00
    Digital thermo-anemometer, w/Probe,Batteries,Strap,Case Learn More
  3. 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
  4. SS Vane Operated Flow Switch V4-SS-2-U
    Dwyer Instruments V4-SS-2-U SS Vane Operated Flow Switch
    Order #: V4-SS-2-U
    Mfg #: V4-SS-2-U
    Availability: In stock
    $809.75
    SS Vane Operated Flow Switch Learn More
  5. Dwyer Instruments V6EPB-B-D-4-B
    Dwyer Instruments V6EPB Flotect Mini-Size Flow Switch Brass upper and lower body
    Order #: V6EPB-B-D-4-B
    Mfg #: V6EPB-B-D-4-B
    Availability: In stock
    $406.00
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  6. Dwyer Instruments DPG-103
    Dwyer Instruments DPG Dig.Press.Gage,30PSI,1/4"NPTM 3",316L SS,0.25%FS
    Order #: DPG-103
    Mfg #: DPG-103
    Availability: In stock
    $292.00
    Dig.Press.Gage,30PSI,1/4"NPTM 3",316L SS,0.25%FS Learn More
  7. Dwyer Instruments 475-3-FM
    Dwyer Instruments 475-3-FM Mark III Handheld Digital Manometer, 0-200 in H2O,30 psig
    Order #: 475-3-FM
    Mfg #: 475-3-FM
    Availability: In stock
    $218.00
    Mark III Handheld Digital Manometer, 0-200 in H2O,30 psig Learn More
  8. Dwyer Instruments 1950
    Dwyer Instruments 1950 EP Diff.PressSwitch,.07to.15"WP
    Order #: 1950-00-2F
    Mfg #: 1950-00-2F
    Availability: In stock
    $233.25
    EP Diff.PressSwitch,.07to.15"WP Learn More
  9. 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
  10. Dwyer Instruments BCHP-1
    Dwyer Instruments BCHP-1 Low Pressure Calibration Pump Calibration Test Pump
    Order #: BCHP-1
    Mfg #: BCHP-1
    Availability: In stock
    $1,173.00
    Low Pressure Calibration Pump Calibration Test Pump Learn More
  11. Dwyer Instruments 475-0-FM
    Dwyer Instruments 475-0-FM HH Digital Manometer,0-10"H2O
    Order #: 475-0-FM
    Mfg #: 475-0-FM
    Availability: In stock
    $303.00
    HH Digital Manometer,0-10"H2O Learn More
  12. Dwyer Instruments SLD-ACY
    Dwyer Instruments SLD-ACY Single Channel Leak Det Relay 470 to 10k ohm adj sensitivity
    Order #: SLD-ACY
    Mfg #: SLD-ACY
    Availability: In stock
    $184.00
    Single Channel Leak Det Relay 470 to 10k ohm adj sensitivity 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 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
  15. Dwyer Instruments 8904
    Dwyer Instruments 8904 Integral Vane Thermo-Anemometer
    Order #: 8904
    Mfg #: 8904
    Availability: In stock
    $135.00
    Integral Vane Thermo-Anemometer Learn More
  16. Dwyer Instruments SPPM-28-C
    Dwyer Instruments SPPM-28-C Smart Programmable Panel Meter 0-50mA Input w/2.8"Display
    Order #: SPPM-28-C
    Mfg #: SPPM-28-C
    Availability: In stock
    $259.00
    Smart Programmable Panel Meter 0-50mA Input w/2.8"Display Learn More
  17. 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
  18. Dwyer Instruments 2201
    Dwyer Instruments 2201 Magnehelic Differential Pressure Gage,0-1PSI
    Order #: 2201
    Mfg #: 2201
    Availability: In stock
    $81.25
    Magnehelic Differential Pressure Gage,0-1PSI Learn More
  19. Differential Pressure Gage 0-6.0"H2O
    Dwyer Instruments 2006 Differential Pressure Gage 0-6.0"H2O
    Order #: 2006
    Mfg #: 2006
    Availability: In stock
    $73.00
    Differential Pressure Gage 0-6.0"H2O Learn More
  20. 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
  21. Dwyer Instruments VA10420
    Dwyer Instruments VA10420 Variable Area Glass Flowmeter Maximum flow rate 52.3 SCFH
    Order #: VA10420
    Mfg #: VA10420
    Availability: In stock
    $211.00
    Variable Area Glass Flowmeter Maximum flow rate 52.3 SCFH Learn More
  22. Dwyer Instruments VAT-6110
    Dwyer Instruments VAT-6110 VAT Variable Area Flowmeter Flow rate 13 LPM (3.43 GPM)
    Order #: VAT-6110
    Mfg #: VAT-6110
    Availability: In stock
    $2,083.00
    VAT Variable Area Flowmeter Flow rate 13 LPM (3.43 GPM) Learn More
  23. Dwyer Instruments TH-10K
    Dwyer Instruments TH-10K Series TH Thermohygrometer Pen Kit
    Order #: TH-10K
    Mfg #: TH-10K
    Availability: In stock
    $181.00
    Series TH Thermohygrometer Pen Kit Learn More
  24. Dwyer Instruments MPCJR
    Dwyer Instruments MPCJR Pump Controller MPC Jr.
    Order #: MPCJR
    Mfg #: MPCJR
    Availability: In stock
    $654.00
    Pump Controller MPC Jr. Learn More
  25. Dwyer Instruments FT-63
    Dwyer Instruments FT-63 Correlated Flow Tube, 65 mm, max. flow rate 49 mL/min air
    Order #: FT-63
    Mfg #: FT-63
    Availability: In stock
    $98.00
    Correlated Flow Tube, 65 mm, max. flow rate 49 mL/min air Learn More
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