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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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Dwyer Instruments A-396A Calibration Pump (PRESSURE)Order #: A-396A Mfg #: A-396A Availability: In stock $467.00Calibration Pump (PRESSURE) Learn More -
Dwyer Instruments 475-0-FM HH Digital Manometer,0-10"H2O
Order #: 475-0-FM Mfg #: 475-0-FM Availability: In stock $303.00HH Digital Manometer,0-10"H2O Learn More -
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 $218.00Mark III Handheld Digital Manometer, 0-200 in H2O,30 psig Learn More -
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 $311.00EP Differential Pressure Switch 3/11"WC,UL/FM/CSA,SPDT Learn More -
Dwyer Instruments VA10420 Variable Area Glass Flowmeter Maximum flow rate 52.3 SCFH
Order #: VA10420 Mfg #: VA10420 Availability: In stock $222.00Variable Area Glass Flowmeter Maximum flow rate 52.3 SCFH Learn More -
Dwyer Instruments A-183 Protective Gage Boot/DPG Series Gage
Order #: A-183 Mfg #: A-183 Availability: In stock $13.00Protective Gage Boot/DPG Series Gage Learn More -
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 $145.00Visi-Float Flowmeter, 4-25 SCFM air, 1" female NPT end CXN Learn More -
Dwyer Instruments VAT-6110 VAT Variable Area Flowmeter Flow rate 13 LPM (3.43 GPM)
Order #: VAT-6110 Mfg #: VAT-6110 Availability: In stock $2,188.00VAT Variable Area Flowmeter Flow rate 13 LPM (3.43 GPM) Learn More -
Dwyer Instruments TH-10K Series TH Thermohygrometer Pen Kit
Order #: TH-10K Mfg #: TH-10K Availability: In stock $181.00Series TH Thermohygrometer Pen Kit Learn More -
Dwyer Instruments GFM-2104 Gas Mass Flow Meter 0-100 mL/m, stainless steel
Order #: GFM-2104 Mfg #: GFM-2104 Availability: In stock $2,318.00Gas Mass Flow Meter 0-100 mL/m, stainless steel Learn More -
Dwyer Instruments MPCJR Pump Controller MPC Jr.
Order #: MPCJR Mfg #: MPCJR Availability: In stock $687.00Pump Controller MPC Jr. Learn More -
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 $103.00Correlated Flow Tube, 65 mm, max. flow rate 49 mL/min air Learn More -
Dwyer Instruments SLD-ACY Single Channel Leak Det Relay 470 to 10k ohm adj sensitivity
Order #: SLD-ACY Mfg #: SLD-ACY Availability: In stock $194.00Single Channel Leak Det Relay 470 to 10k ohm adj sensitivity Learn More -
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 $1,726.00Series RSM Room Status Monitor Range +/-1" w.c., 120 VAC Learn More -
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Dwyer Instruments ER14250 Replacement Battery for Series STDL-10
Order #: ER14250 Mfg #: ER14250 Availability: In stock $14.25Replacement Battery for Series STDL-10 Learn More -
Dwyer Instruments DR224182 Dir readng glass flwmtr, 316 SS float, flow rate 3.8 SCFH air.
Order #: DR224182 Mfg #: DR224182 Availability: In stock $857.00Dir readng glass flwmtr, 316 SS float, flow rate 3.8 SCFH air. Learn More -
Dwyer Instruments SG5-G0622N Contractor Gauge 0 to 160 psi,1/4"NPT bottom CXN
Order #: SG5-G0622N Mfg #: SG5-G0622N Availability: In stock $22.25Contractor Gauge 0 to 160 psi,1/4"NPT bottom CXN Learn More -
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 $260.00Sight Flow Indicator, 1/2" body 4.063" L x 2.750" D x 2.563" H Learn More -
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 $112.00Brass Solenoid Valve 1/2",0.5-8 bar,nbr seal, 24 VDC Learn More -
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 $427.00Flotect Mini-Size Flow Switch Brass upper and lower body Learn More -
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 $1,714.00Rate-Master Dial-Type Flowmeter 0-10 GPM water, 1" female NPT Learn More -
Dwyer Instruments PR-2-P2 Gas/Differential Pressure Sw. man. reset, SPST NC, 0.5-5 psig
Order #: PR-2-P2 Mfg #: PR-2-P2 Availability: In stock $866.00Gas/Differential Pressure Sw. man. reset, SPST NC, 0.5-5 psig Learn More -
Dwyer Instruments BCHP-1 Low Pressure Calibration Pump Calibration Test Pump
Order #: BCHP-1 Mfg #: BCHP-1 Availability: In stock $1,173.00Low Pressure Calibration Pump Calibration Test Pump Learn More -
Dwyer Instruments A-525 Pocket Type Sling Psychrometer
Order #: A-525 Mfg #: A-525 Availability: In stock $219.00Pocket Type Sling Psychrometer Learn More -
Dwyer Instruments 1207A-EU Power Adapter 230 VAC
Order #: 1207A-EU Mfg #: 1207A-EU Availability: In stock $91.50Power Adapter 230 VAC Learn More
