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 3010MR
    Dwyer Instruments 3010MR Photohelic? Switch/Gage,0-10"wc
    Order #: 3010MR
    Mfg #: 3010MR
    Availability: In stock
    CA$692.50
    Photohelic? Switch/Gage,0-10"wc 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
    CA$660.00
    Digital thermo-anemometer, w/Probe,Batteries,Strap,Case Learn More
  3. 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
    CA$236.25
    Mark III Handheld Digital Manometer, 0-200 in H2O,30 psig Learn More
  4. 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
    CA$328.75
    HH Digital Manometer,0-10"H2O Learn More
  5. Dwyer Instruments 2000-1KPA
    Dwyer Instruments 2000-1KPA Magnehelic Differential Press. Gage,0-1kPa
    Order #: 2000-1KPA
    Mfg #: 2000-1KPA
    Availability: In stock
    CA$91.25
    Magnehelic Differential Press. Gage,0-1kPa Learn More
  6. 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
    CA$245.60
    Single Channel Leak Det Relay 470 to 10k ohm adj sensitivity Learn More
  7. 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
    CA$93.13
    RMB Series FlowmeteR w/SS Valve 40-400 SCFH Air Learn More
  8. Dwyer Instruments RHP-3N44
    Dwyer Instruments RHP-3N44 N.A Wall Mt Humid./Temp Trans. 3% accy,uni curr/V O/P RH&temp
    Order #: RHP-3N44
    Mfg #: RHP-3N44
    Availability: In stock
    CA$147.19
    N.A Wall Mt Humid./Temp Trans. 3% accy,uni curr/V O/P RH&temp Learn More
  9. Dwyer Instruments 2201
    Dwyer Instruments 2201 Magnehelic Differential Pressure Gage,0-1PSI
    Order #: 2201
    Mfg #: 2201
    Availability: In stock
    CA$101.57
    Magnehelic Differential Pressure Gage,0-1PSI Learn More
  10. Dwyer Instruments 2020
    Dwyer Instruments 2020 Magnehelic Diff.Pressure Gage 0-20"H2O
    Order #: 2020
    Mfg #: 2020
    Availability: In stock
    CA$91.25
    Magnehelic Diff.Pressure Gage 0-20"H2O Learn More
  11. Dwyer DEVCOM SOFTWARE HART Communicator Software
    Dwyer Instruments DEVCOM SOFTWARE HART Communicator Software
    Order #: DEVCOM SOFTWARE
    Mfg #: DEVCOM SOFTWARE
    Availability: In stock
    CA$2,243.75
    HART Communicator Software Learn More
  12. 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
    CA$560.00
    Current to Pressure Transducer 4-20 mA input, 6-30 psi output Learn More
  13. 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
    CA$611.25
    HH Digital Manometer 0 to 50PSI(0 to 344.7kPa) Learn More
  14. 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
    CA$181.25
    Visi-Float Flowmeter, 4-25 SCFM air, 1" female NPT end CXN Learn More
  15. 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
    CA$79.38
    Series VF Visi-Float Flowmeter Range 1-10 LPM air Learn More
  16. Dwyer Instruments VA10420
    Dwyer Instruments VA10420 Variable Area Glass Flowmeter Maximum flow rate 52.3 SCFH
    Order #: VA10420
    Mfg #: VA10420
    Availability: In stock
    CA$210.30
    Variable Area Glass Flowmeter Maximum flow rate 52.3 SCFH Learn More
  17. 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
    CA$1,770.60
    VAT Variable Area Flowmeter Flow rate 13 LPM (3.43 GPM) Learn More
  18. Dwyer Instruments MPCJR
    Dwyer Instruments MPCJR Pump Controller MPC Jr.
    Order #: MPCJR
    Mfg #: MPCJR
    Availability: In stock
    CA$777.50
    Pump Controller MPC Jr. Learn More
  19. 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
    CA$86.04
    Correlated Flow Tube, 65 mm, max. flow rate 49 mL/min air Learn More
  20. Dwyer Instruments RSM-5-B
    Dwyer Instruments RSM-5-B Series RSM Room Status Monitor Range +/-1" w.c., 120 VAC
    Order #: RSM-5-B
    Mfg #: RSM-5-B
    Availability: In stock
    CA$2,214.72
    Series RSM Room Status Monitor Range +/-1" w.c., 120 VAC Learn More
  21. New
    MadgeTech ER14250 3.6V Lithium 1000 mAH Pressure Contact for MicroTemp
    Dwyer Instruments ER14250 Replacement Battery for Series STDL-10
    Order #: ER14250
    Mfg #: ER14250
    Availability: In stock
    CA$20.97
    Replacement Battery for Series STDL-10 Learn More
  22. Dwyer Instruments DR224782
    Dwyer Instruments DR224782 Dir readng glass flwmtr, 316 SS float, flow rate 21 GPH water.
    Order #: DR224782
    Mfg #: DR224782
    Availability: In stock
    CA$666.19
    Dir readng glass flwmtr, 316 SS float, flow rate 21 GPH water. Learn More
  23. Dwyer Instruments DR224182
    Dwyer Instruments DR224182 Dir readng glass flwmtr, 316 SS float, flow rate 3.8 SCFH air.
    Order #: DR224182
    Mfg #: DR224182
    Availability: In stock
    CA$666.19
    Dir readng glass flwmtr, 316 SS float, flow rate 3.8 SCFH air. Learn More
  24. 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
    CA$26.25
    Contractor Gauge 0 to 160 psi,1/4"NPT bottom CXN Learn More
  25. 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
    CA$215.63
    Polysulfone Sight Flow Indicator,2-20 GPM,1/2" (F) NPT Learn More
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