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Dwyer

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When purchasing a product, price is the consumer's primary concern. At present, Dwyer has 306 products for sale. Dwyer products range in price from $18.85 to $403.99, and the average price of all the products is about $124.84.

We found that most of the Dwyer products are manufactured by Dwyer Instruments, Dwyer Instruments, Inc., and Cole-Parmer. The manufacturers provide Dwyer with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase Dwyer products from the seller Process Products. The brand holds an average rating of 4.4, testifying to its excellent reputation.

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Dwyer Best Sellers

Last Updated: Jan 8, 2026

Dwyer® Liquid Filled Wall Mount Manometer, Mark II 25, 0-3" w.c., 3% Accuracy

  • Leakproof O-ring seals and overflow tank reduces risk of fluid loss
  • Can be mounted on any vertical surface and built-in spirit level simplifies leveling
  • Inclined-vertical manometer for use in air velocity and air filter performance applications, and other general purpose applications

Dwyer® Handheld Digital Manometer, 475-3-FM, 0-200" w.c. (49.82 kPa)

  • MANUFACTURER DIRECT
  • Range: 0 to 200.0" w.c. (49.82 kPa); Display: 0.42" (10.6 mm) 4-digit LCD.
  • Connections: Two barbed connections for use with 1/8" (3.18 mm) or 3/16" (4.76 mm) I.D. tubing.

Dwyer 2005 Magnehelic Differential Pressure Gauge, Type, 0 to 5" WC, 4"

  • The industry standard in indicating low air or gas pressures of positive, negative, or differential pressures
  • Large, easy-to-read 4" (102 mm) dial
  • No manometer fluid to evaporate, freeze, or cause toxic or leveling problems

Dwyer® 477AV Handheld Digital Manometer, 477AV-3, 0-200" wc, Air Velocity/Flow Modes

  • MANUFACTURER DIRECT
  • Pressure Limits: 30 psig. Temperature Limits: 0 to 140°F (-17.8 to 60°C).
  • Compensated Temp Limits: 32 to 104°F (0 to 40°C); Storage Temp Limits: -4 to 176°F (-20 to 80°C).

Dwyer 2002 Magnehelic Differential Pressure Gauge, Type, 0 to 2" WC

  • The industry standard in indicating low air or gas pressures of positive, negative, or differential pressures
  • Large, easy-to-read 4" (102 mm) dial
  • No manometer fluid to evaporate, freeze, or cause toxic or leveling problems

Dwyer 2000-0 Magnehelic Differential Pressure Gauge, 2000: 0-0.5" WC

  • The industry standard in indicating low air or gas pressures of positive, negative, or differential pressures
  • Large, easy-to-read 4" (102 mm) dial
  • No manometer fluid to evaporate, freeze, or cause toxic or leveling problems

Dwyer® Digital Pressure Gage, DPGW-08, 1% Accuracy, Compatible Liquids & Gases, 0-100 psi

  • MANUFACTURER DIRECT
  • Process Connection: 1/4" male NPT
  • Temperature Limits: 30 to 120°F (-1 to 49°C)

Dwyer® Vaneometer Swing Vane Anemometer, 480, 25-400 FPM

  • MANUFACTURER DIRECT
  • Scale can be read from both sides of the meter
  • Built-in spirit level vial for accurate readings

Dwyer® Magnehelic® Differential Pressure Gage, 2010AV, Dual Scale 0 to 10" w.c. & 2000 to 12500 FPM

  • MANUFACTURER DIRECT
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).

Dwyer® Mounting Bracket, A-299, for Use w/Dwyer® Magnehelic® Gages

  • It is used to flush mount the gage in the bracket when surface mount the bracket. It is made of steel with a gray hammerton epoxy finish.

Dwyer® Magnehelic® Differential Pressure Gage, 2015,: 0-15" w.c.

  • MANUFACTURER DIRECT
  • Service: Air and non-combustible, compatible gases. (Natural Gas option available.)
  • Pressure Limits: -20 in Hg. to 15 psig; Temperature Limits: 20 to 140°F.* (-6.67 to 60°C).

DWYER Model 25 Mark II Manometer -0.05-0-3IN-H2O D599980

  • Dwyer Mark II 25 Manometer is excellent for general purpose work, providing excellent calibration and resolution throughout its range.
  • Dwyer Mark II 25 Staic Pressure Gage is capable of pressure measurements above and below atmospheric as well as differential pressure measurements.
  • IN THE BOX: One Mark II 25 manometer, two tubing connectors for 1/8" pipe or sheet metal ducts, two mounting screws, 1 ounce bottle of indicating fluid, red and green pointer flags, 8' of flexible double column plastic tubing, instructions.

Dwyer Love Series TS2 Digital Temperature Switch, Red Display, 110 VAC Supply Voltage, °F display

  • Easy Multi-Unit Programming
  • 16A SPDT Relay Output
  • Probe range: -58 to 302°F (-50 to 150°C)

Dwyer - 2301 Magnehelic Series 2000 Differential Pressure Gauge, Range 0.5-0-0.5"WC

  • Bezel provides flange for flush mounting in panel
  • Clear plastic face is highly resistant to breakage. Provides undistorted viewing of pointer and scale.
  • Precision litho-printed scale is accurate and easy to read.

Dwyer® Rate-Master® Flowmeter, RMB-51-SSV, 3% Acc, 2-20 SCFH air, SS Valve, PC Body

  • MANUFACTURER DIRECT
  • Temperature Limit: 130°F (54°C).
  • Pressure Limit: 100 psi (6.9 bar).

Dwyer Series 475 Mark III Handheld Digital Manometer, 0-4.000"WC Range, 5 psig Maximum Pressure

  • Intrinsically-safe digital manometer for field calibration, monitoring or troubleshooting HVAC systems, performing clean room inspections, air velocity monitoring, and natural gas appliance-line testing
  • FM-approved intrinsically safe for Class 1, Div. 1, Group A, B, C, D, T4 hazardous locations
  • Accuracy is + or - 0.5% of full scale at 60 to 78 degrees F, and + or - 1.5% full scale at 32 to 60 and 78 to 104 degrees F

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