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 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
  2. Dwyer Instruments DPG-104
    Dwyer Instruments DPG-104 Dig.Press.Gage,50.00PSI,0.25%FS (3.515kg/cm?,3.448 bar,101.8"H
    Order #: DPG-104
    Mfg #: DPG-104
    Availability: In stock
    $313.05
    Dig.Press.Gage,50.00PSI,0.25%FS (3.515kg/cm?,3.448 bar,101.8"H 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 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
  5. Dwyer Instruments L6EPS-S-S-3-A
    Dwyer Instruments L6EPS-S-S-3-A Flotect Liquid Level Switch SS housing, SPDT, 304SS float
    Order #: L6EPS-S-S-3-A
    Mfg #: L6EPS-S-S-3-A
    Availability: In stock
    $477.35
    Flotect Liquid Level Switch SS housing, SPDT, 304SS float Learn More
  6. Dwyer Instruments RMC-106-SSV
    Dwyer Instruments RMC-106-SSV 10 inch Scale Flow Meter, 100-1000 SCFH Air, S.S. Valve
    Order #: RMC-106-SSV
    Mfg #: RMC-106-SSV
    Availability: In stock
    $191.35
    10 inch Scale Flow Meter, 100-1000 SCFH Air, S.S. Valve Learn More
  7. Dwyer Instruments 16L2033
    Dwyer Instruments 16L2033 Ser. 16L Temp/Proc Lim. Control N.O Relay output A & B
    Order #: 16L2033
    Mfg #: 16L2033
    Availability: In stock
    $469.05
    Ser. 16L Temp/Proc Lim. Control N.O Relay output A & B Learn More
  8. Dwyer Instruments DPG-108
    Dwyer Instruments DPG-108 Digital Pressure Gage,500PSI
    Order #: DPG-108
    Mfg #: DPG-108
    Availability: In stock
    $313.05
    Digital Pressure Gage,500PSI Learn More
  9. 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
    $234.00
    Mark III Handheld Digital Manometer, 0-200 in H2O,30 psig Learn More
  10. Dwyer Instruments 475-1-FM
    Dwyer Instruments 475-1-FM Mark III Handheld Digital Manometer, 0-20 in H2O, 10 psig
    Order #: 475-1-FM
    Mfg #: 475-1-FM
    Availability: In stock
    $325.50
    Mark III Handheld Digital Manometer, 0-20 in H2O, 10 psig Learn More
  11. 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
  12. 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
  13. 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
    $333.85
    EP Differential Pressure Switch 3/11"WC,UL/FM/CSA,SPDT Learn More
  14. 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
  15. 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
    $875.00
    Dir readng glass flwmtr, 316 SS float, flow rate 3.8 SCFH 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
    $227.00
    Variable Area Glass Flowmeter Maximum flow rate 52.3 SCFH Learn More
  17. 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
    $333.85
    EP/WP Diff.Press.Switch .4" to 1.6"WC Learn More
  18. 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
  19. 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
  20. Dwyer Instruments A-183
    Dwyer Instruments A-183 Protective Gage Boot/DPG Series Gage
    Order #: A-183
    Mfg #: A-183
    Availability: In stock
    $13.40
    Protective Gage Boot/DPG Series Gage Learn More
  21. 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
  22. 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
    $148.00
    Visi-Float Flowmeter, 4-25 SCFM air, 1" female NPT end CXN Learn More
  23. 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
  24. 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
  25. 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
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