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 RMA-26-SSV
    Dwyer Instruments RMA-26-SSV Flowmeter,Range.5-5LPM air w/SS Valve
    Order #: RMA-26-SSV
    Mfg #: RMA-26-SSV
    Availability: In stock
    $62.40
    Flowmeter,Range.5-5LPM air w/SS Valve Learn More
  2. Dwyer Instruments DPG-110
    Dwyer Instruments DPG-110 Digitl.Press.Gage,3000PSI,0.25% FS,316L SS,1/4"NPTM
    Order #: DPG-110
    Mfg #: DPG-110
    Availability: In stock
    $313.05
    Digitl.Press.Gage,3000PSI,0.25% FS,316L SS,1/4"NPTM Learn More
  3. Dwyer Instruments A-396A
    Dwyer Instruments A-396A Calibration Pump (PRESSURE)
    Order #: A-396A
    Mfg #: A-396A
    Availability: In stock
    $492.25
    Calibration Pump (PRESSURE) Learn More
  4. 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
    $590.30
    Digital thermo-anemometer, w/Probe,Batteries,Strap,Case Learn More
  5. Dwyer Instruments 477B-7
    Dwyer Instruments 477B-7 Handheld Digital Manometer,0 to 100PSI(0 to 689.5 kPa)
    Order #: 477B-7
    Mfg #: 477B-7
    Availability: In stock
    $524.15
    Handheld Digital Manometer,0 to 100PSI(0 to 689.5 kPa) Learn More
  6. Dwyer Instruments 1950
    Dwyer Instruments 1950 EP Diff.PressSwitch,.07to.15"WP
    Order #: 1950-00-2F
    Mfg #: 1950-00-2F
    Availability: In stock
    $333.85
    EP Diff.PressSwitch,.07to.15"WP Learn More
  7. 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
    $325.50
    HH Digital Manometer,0-10"H2O Learn More
  8. Dwyer Instruments 2000-1KPA
    Dwyer Instruments 2000-1KPA Magnehelic Differential Press. Gage,0-1kPa
    Order #: 2000-1KPA
    Mfg #: 2000-1KPA
    Availability: In stock
    $75.35
    Magnehelic Differential Press. Gage,0-1kPa Learn More
  9. 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
    $313.05
    Dig.Press.Gage,30PSI,1/4"NPTM 3",316L SS,0.25%FS Learn More
  10. Dwyer Instruments DPG-102
    Dwyer Instruments DPG-102 Dig.Press.Gage,15.PSI,1/4"NPTM, 3",316L SS,0.25%FS
    Order #: DPG-102
    Mfg #: DPG-102
    Availability: In stock
    $313.05
    Dig.Press.Gage,15.PSI,1/4"NPTM, 3",316L SS,0.25%FS Learn More
  11. 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
    $79.05
    RMB Series FlowmeteR w/SS Valve 40-400 SCFH Air Learn More
  12. Clearance
    Dwyer Instruments VFB-80-BV
    Dwyer Instruments VFB-80-BV Flowmeter,0.5-12 GPH H2Ow/Brass Valve
    Order #: VFB-80-BV
    Mfg #: VFB-80-BV
    Availability: In stock
    Special Price $53.89 Regular Price $78.00
    Flowmeter,0.5-12 GPH H2Ow/Brass Valve Learn More
  13. Clearance
    Dwyer Instruments VA10420
    Dwyer Instruments VA10420 Variable Area Glass Flowmeter Maximum flow rate 52.3 SCFH
    Order #: VA10420
    Mfg #: VA10420
    Availability: In stock
    Special Price $101.01 Regular Price $227.00
    Variable Area Glass Flowmeter Maximum flow rate 52.3 SCFH Learn More
  14. Clearance
    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
    Special Price $913.13 Regular Price $2,232.00
    VAT Variable Area Flowmeter Flow rate 13 LPM (3.43 GPM) Learn More
  15. Dwyer Instruments VAT-6013
    Dwyer Instruments VAT-6013 VAT Variable Area Flowmeter Flow rate 40 LPM (10.57 GPM)
    Order #: VAT-6013
    Mfg #: VAT-6013
    Availability: In stock
    $1,678.75
    VAT Variable Area Flowmeter Flow rate 40 LPM (10.57 GPM) Learn More
  16. Dwyer Instruments GFM-2104
    Dwyer Instruments GFM-2104 Gas Mass Flow Meter 0-100 mL/m, stainless steel
    Order #: GFM-2104
    Mfg #: GFM-2104
    Availability: In stock
    $2,485.60
    Gas Mass Flow Meter 0-100 mL/m, stainless steel Learn More
  17. 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
    $204.95
    Single Channel Leak Det Relay 470 to 10k ohm adj sensitivity Learn More
  18. 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
    $15.50
    Replacement Battery for Series STDL-10 Learn More
  19. Clearance
    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
    Special Price $248.00 Regular Price $875.00
    Dir readng glass flwmtr, 316 SS float, flow rate 3.8 SCFH air. Learn More
  20. Dwyer Instruments SFI-700-3/4
    Dwyer Instruments SFI-700-3/4 Sight Flow Indicator, 3/4" body 3.688" L x 2.250" H, brass
    Order #: SFI-700-3/4
    Mfg #: SFI-700-3/4
    Availability: In stock
    $687.45
    Sight Flow Indicator, 3/4" body 3.688" L x 2.250" H, brass Learn More
  21. Dwyer Instruments SFI-300-1/2
    Dwyer Instruments SFI-300-1/2 Sight Flow Indicator, 1/2" body 4.063" L x 2.750" D x 2.563" H
    Order #: SFI-300-1/2
    Mfg #: SFI-300-1/2
    Availability: In stock
    $276.65
    Sight Flow Indicator, 1/2" body 4.063" L x 2.750" D x 2.563" H Learn More
  22. Dwyer Instruments SSV-B4N4
    Dwyer Instruments SSV-B4N4 Brass Solenoid Valve 1/2",0.5-8 bar,nbr seal, 24 VDC
    Order #: SSV-B4N4
    Mfg #: SSV-B4N4
    Availability: In stock
    $119.00
    Brass Solenoid Valve 1/2",0.5-8 bar,nbr seal, 24 VDC Learn More
  23. 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
    $467.45
    Flotect Mini-Size Flow Switch Brass upper and lower body Learn More
  24. Dwyer Instruments RMV-2-3
    Dwyer Instruments RMV-2-3 Rate-Master Dial-Type Flowmeter 0-10 GPM water, 1" female NPT
    Order #: RMV-2-3
    Mfg #: RMV-2-3
    Availability: In stock
    $1,872.00
    Rate-Master Dial-Type Flowmeter 0-10 GPM water, 1" female NPT Learn More
  25. Dwyer Instruments DA-41-153-9E
    Dwyer Instruments DA-41-153-9E Bourdon Tube Pressure Switch 316SS tube, range 10-300 psig
    Order #: DA-41-153-9E
    Mfg #: DA-41-153-9E
    Availability: In stock
    $1,449.75
    Bourdon Tube Pressure Switch 316SS tube, range 10-300 psig Learn More
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