Dwyer Instruments
Dwyer is a leading manufacturer of a wide range of precision instruments, including pressure gauges, flow meters, level switches, temperature sensors, and more. With over 85 years of experience, Dwyer has built a reputation for delivering high-quality, reliable, and accurate instrumentation for a variety of industries, including HVAC, food and beverage, chemical, and pharmaceutical. Their products are known for their durability, ease of use, and affordability.
Showing 1–24 of 222 results, including child brands
Dwyer Series H2 Dual-Action Pressure Switches
Explosion-proof and Weatherproof Enclosure Pressure Switch
Dwyer 1221/1222/1223 Flex-Tube® U-Tube Manometer
Better Precision U-Tube Manometer, suitable for Pressures up to 100 psi
Dwyer 605 Magnehelic® Differential Pressure Indicating Transmitter
Standard Magnehelic® Differential Pressure Transmitter
Dwyer DPT Digital Pressure Transmitter with Switches
Two Solid State Switches, LED Display
Dwyer DSGT Digital Indicating Transmitter
±0.25% Full Scale Accuracy, Optional Switch Outputs
Dwyer HM28 Handheld Digital Manometer
High Accuracy (0.2%, 0.1% or 0.05%), Differential, Gage or Absolute
Dwyer MS Magnesense Differential Pressure Transmitter
Differential Pressure to Monitors Pressure & Air Velocity
Dwyer Series 100 Durablock® Solid Plastic Portable Gage
Suitable for Total Pressures Up to 100 psig, Temperatures Up to 150°F, Accuracy ±2% of Full Scale (1% on Model 115 Only)
Dwyer Series 1000E Explosion-Proof Diaphragm Operated Pressure Switches
Visible Setpoint, Fixed Deadband, Pressure Ranges to 1400 psi
Dwyer Series 1000W Pressure Switches
Weatherproof Diaphragm Operated Pressure Switches
Dwyer Series 1211/1212 Slack Tube® Manometers
Safety Traps to Prevent Loss of Fluid
Dwyer Series 1213 Gas Pressure Manometer
The “Tube in a Tube” Direct Reading Manometer
Dwyer Series 1227 Dual Range Flex-Tube® U-Inclined Manometer
0.2″ Minor Scale Divisions, Accuracy +/- 0.1″ W.C
Dwyer Series 1620 Single and Dual Pressure Switch
High Reliability, Repetitive Accuracy within ±1%
Dwyer Series 1630 Large Diaphragm Pressure Switches
Visual Set Point Adjustment in 5 Standard Ranges, 0.05″ to 12″ w.c. Repetitive Accuracy within ±1%
Dwyer Series 1640 Floating Contact Null Switch
Visual Set Point Adjustment, Adjustable Null Zone
Dwyer Series 1800 Low Differential Pressure Switch
Set Points from 0.07″ to 85″ w.c. Repetitive Accuracy within 2%
Dwyer Series 1831 DPDT Low Differential Pressure Switches
Manual Reset, No Power Required
Dwyer Series 1900 Compact Low Differential Pressure Switches
$91Set Points from 0.07″ to 20″ w.c., Repetitive Accuracy within 3%
Dwyer Series 1950 Explosion-proof Differential Pressure Switch
Set Points from .03 to 20 in w.c., Explosion-proof and Weatherproof
Dwyer Series 1950G Explosion-proof Differential Pressure Switch
Explosion-proof, Weatherproof, Compatible with Natural Gases
Dwyer Series 1996 Gas Pressure Switch
Compact, Low Cost, Range 1.4 to 20″ w.c.
Dwyer Series 2-5000 Minihelic® II Differential Pressure Gage
Combining High Accuracy, Compactness, Dependability, and Low Cost
Dwyer Series 2000-HA Magnehelic® Differential Pressure Gauge
Magnehelic® Differential Pressure Gauge