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Dwyer Instruments Pressure Products

 Gages, Transmitters, Switches, Data Loggers, Controllers, and Monitors for Pressure.
 

Dwyer Pressure Switches Line Card Dwyer Pressure Switches Line Card (1274 KB)

Dwyer Single Pressure Transmitters
Dwyer Differential Pressure Transmitters
Dwyer Digital Manometers
Dwyer Inclined Manometers
Dwyer Laboratory Manometers
Dwyer U-tube Manometers
Dwyer Differential Pressure Switches
Dwyer Single Pressure Gages (Spirahelic)
Dwyer Differential Pressure Gages (Magnehelic, Capsulhelic and Minihelic models)
Dwyer Switch/Gages (Photohelic Gages / Transmitters)
Accessories
 
Single Pressure Transmitters
Digital Pressure Transmitter with Switches - Dwyer Series DPT
Two Solid State Switches, LED Display
High Accuracy Pressure Transmitter - Dwyer Series HATX
±0.05% FS Accuracy, 0.01% Repeatability FS, NIST Certificate Included
Industrial Weatherproof Pressure Transmitter - Dwyer Series IWP
Exceptional Reliability for Harsh Environments
Explosion-proof Pressure Transmitter - Mercoid Series 3200G
HART® Communication, Push Button Configuration, Rangeability (100:1)
Industrial Pressure Transmitter - Dwyer Series 626 & 628
Ranges from 15 to 1000 psi, ±0.25% Accuracy, Gas/Liquid/Air
Pressure Transmitter - Dwyer Series 634ES
4-20 mA signal. Two wire operation. Ranges to 6000 psi.
Fixed Range Pressure Transmitter - Dwyer Series 636
Stainless Steel, Explosion-proof, Accuracy ±0.30%, 4-20 mA or 1-5 VDC Signal.
Industrial Pressure Transmitter - Dwyer Series 644
±0.05% FS, <±0.25% FS Total Error Band
Pressure Transmitter - Dwyer Series 672
Single Pressure Connection, Ranges Down to 10" w.c.
Pressure Transmitter - Dwyer Series 673
±0.25% Full Span Accuracy, 4-20 mA Signal, Ranges to 1000 psi
Weatherproof Pressure Transmitter - Dwyer Series 679
±0.25% FS Accuracy, Compatible with Corrosive Materials, 4-20 mA Output
Sanitary Pressure Transmitter - Dwyer Series 681
Ranges from 1 to 300 psi (68 mbar to 20 bar), ±0.2% Accuracy, Gas/Liquid, 316L SS
Weatherproof Pressure Transmitter - Dwyer Series 682
Ranges from 25 to 10,000 psi (1.5 to 689 bar), ±0.13% Accuracy, Gas/Liquid, 17-4 PH SS, NEMA 4 (IP65)
 
Differential Pressure Transmitter
Differential Pressure Transmitter - Dwyer Series WWDP
Selectable Ranges of Uni-Directional or Bi-Directional, Selectable Outputs
Differential Pressure Transmitter - Mercoid Series 3100
Explosion-proof Differential Pressure Transmitter
HART® Communication, Push Button Configuration, Rangeability (100:1)
Differential Pressure Transmitter - Dwyer Series DM-2000
Same Size as Standard Magnehelic® Differential Pressure Gage
Intrinsically Safe Differential Pressure Transmitter - Dwyer Series ISDP
For Hazardous Zone Pressure and Flow Applications
Magnesense™ Differential Pressure Transmitter - Dwyer Series MS
Selectable Ranges, ±1.0% Accuracy, Air/Gas
Capsuhelic Wet/Wet Differential Pressure Transmitter - Dwyer Capsuhelic Series 631B
Ranges from 0.5" w.c. to 25" w.c., ±2% Accuracy, Gas/Liquid, NEMA 4X (IP66)
Magnehelic® Differential Pressure Indicating Transmitter - Dwyer Series 605
Dial Gage Indication, Two-Wire 4-20 mA Output.
Magnehelic® Differential Pressure Indicating Transmitter - Dwyer Series AT2605
Series 605 in Flame-Proof ATEX Enclosure
ATEX Approved Magnesense® Differential Pressure Transmitter - Series AT2MS
Series MS in Flame-Proof ATEX Enclosure
Magnehelic® Gage Panel Mounting Flange - Model A-286
Flange for Panel Mounting 4-1/2" Diameter Gages
Intrinsically Safe Differential Pressure Transmitter - Dwyer Series 608
Ranges Down to 0.1" w.c., FM Approved, NEMA 4X
Precision Low Differential Pressure Transmitter - Dwyer Series 610
Ideal for Clean Rooms, Easy to Field Calibrate with Security Key
Differential Pressure Transmitter - Dwyer Series 616
Ranges from 0-1 in. w.c. to 0-100 psid. Accuracy ±0.5% Full Span Output.
Differential Pressure Transmitter - Dwyer Series 616D
Ranges from 3" w.c. to 100 psid, ±0.25% Accuracy, Air/Gas, DIN Rail Mount
Differential Pressure Transmitter - Dwyer Series 616W
NEMA 4X Enclosure, 0.5% ES. Accuracy, Ranges from 0-2" w.c. to 0-20 psid.
Differential Pressure Transmitter - Dwyer Series 616WL
Low Ranges Down to 0.25" w.c. (60 Pa), NEMA 4X Housing
Differential Pressure Transmitter - Dwyer Series 629
Wet/Wet Differential Pressure Transmitter
Capsuhelic® Wet/Wet Differential Pressure Transmitter -Dwyer Series 631B
Ranges Down to 0.5" w.c. with 500 psi Static Pressure Rating
Pressure Transmitter - Dwyer Series 634ES
4-20 mA signal. Two wire operation. Ranges to 6000 psi.
Fixed Range Differential Pressure Transmitter - Dwyer Series 636D
Explosion-proof, 0.5% Accuracy
Differential Pressure Transducer - Dwyer Series 646B
Ranges Down to 0.5 in w.c., Ratiometric Signal Output
Wet/Wet Differential Pressure Transmitter - Dweyr Series 645
±0.25% Accuracy, Quick Response, 2-Wire Design
Wet/Wet Differential Pressure Transmitter - Dwyer Series 647
Ranges from 1" w.c. to 30 psid, ±1% Accuracy, Gas/Liquid, NEMA 4 (IP56)
Wet/Wet Differential Pressure Transmitter - Dwyer Series 655A
Ranges Down to 3" w.c., 6-point NIST Certificate Included
Differential Pressure Transmitter - Dwyer Series 668
Ranges from 0-0.25"w.c., Overpressure Protection to 10 psig, ± 1% Accuracy
Differential Pressure Transmitter - Series 677B
Ranges from 0.1 to 100" w.c., ±0.4% Accuracy, Air/Gas, Brass
 
Digital Manometers
Mark III Handheld Digital Manometer - Series 475-FM
Ranges from 4 in. w.c. to 150 psid, ±0.5% Accuracy Intrinsically Safe for Hazardous Locations, Class 1, Div. 1, Group A, B, C, D, T4
Handheld Digital Manometer - Model 476-0
Ranges from -20 to 20" w.c., ±1.5% Accuracy, Single Pressure
Handheld Digital Manometer - Series 477-FM
Selectable Pressure Units, ±0.5% Accuracy
Handheld Digital Manometer - Series 477A
Ranges from 20" w.c. to 100 psi (5 kPa to 700 kPa), ±0.10% Accuracy
Handheld Digital Manometer - Model 478-0
Ranges from -60 to 60" w.c., ±1.5% Accuracy, Differential Pressure
Wet/Wet Handheld Digital Manometer - Series 490
Liquid & Gas Pressure Measurement, ± 0.5%F.S. Accuracy.
Inclined Manometer Air Filter Gage - Model 250/Model 451
Ranges from 0.1 to 4" w.c., ±1% Accuracy
Handheld Digital Manometer - Series HM28
Ranges from 10" w.c. to 1000 psi (2.5 kPa to 7000 kPa), ±0.05 to 0.2% Accuracy, Absolute Pressure, Microprocessor Based
Precision Digital Pressure Manometer - Series HM35
Up to 0.05% Accuracy, Graphical Display, Data Logging Capability
 
Inclined Manometers
Durablock Inclined-Vertical Manometers - Series 424/420
Series 424 - Accuracy to ±1/4 of 1%. Series 420 - Inclined Vertical Manometers Accurate to ±1%
Durablock Solid Plastic Portable Gages - Series 100
Ranges and Dimensions - Suitable for total pressures up to 100 psig, temperatures up to 150°F. Accuracy ±2% of full scale (1% on model 115 only)
Durablock® Solid Plastic Stationary Gages - Series 200/300
Ranges and Dimensions - Suitable for total pressures up to 100 psig, temperatures up to 150°F. Accuracy ±2% of full scale (1% on models 215, 244, 246 only)
 
Laboratory Manometers
Microtector® Portable Electronic Point Gage - Model 1430
Accurate to ±.00025" w.c., Battery Operated, Self-Contained
 
U-tube Manometers
Gas Pressure Manometer - Series 1213
The "Tube in a Tube" Direct Reading Manometer
 
Single Pressure Switches
Double Bellows Differential Pressure Switches - Series DP
Visible setpoints, adjustable or fixed deadband ... high pressure ranges.
Bourdon Tube Pressure Switches - Series DA/DS
Visible setpoint, adjustable deadband, pressure ranges to 5000 PSI
Diaphragm Seal for DA Series Pressure Switch - Series XTBX
PVC and Teflon® Construction for Corrosive Applications
Bourdon Tube Pressure Switches - Series DS-7300
Hermetically Sealed Snap Action Switch, Visible Setpoint, Fixed Deadband
Compact Pressure Switch - Series A1N
Vacuum and Compound Ranges Available, Adjustable Set Point
Economical Pressure Switch - Series A1PS/A1VS
Vacuum and Compound Ranges Available, Adjustable Set Point
Electronic Pressure Switch - Series ES
Adjustable Set Point, Status Light, NEMA-4 Enclosure
Adjustable Switch - Series APS/AVS
Vacuum and Pressure Ranges, 5A Relay, Compact Size
Diaphragm Operated Pressure Switches - Series SA1100
Visible setpoint, adjustable deadband, weather-proof, explosion-proof. Option hermetically sealed snap switch.
Low Cost OEM Pressure Switch - Series A1
316 SS Diaphragm. Optional Weatherproof Enclosure. Ranges from 2-20 to 50-500 psig.
Compressor Pressure Switch - Series CX
Ranges from 25 to 175 psig (1.7 to 12.1 bar), Adjustable Deadband
Water Pump Pressure Switch - Series CXA
Ranges from 15 to 150 psi, Adjustable Deadband, Adjustable Set Point
Ultra Sensitive Pressure Switches - Series PQ
Large diaphragm, magnetic mercury switch.
Diaphragm Operated Pressure Switches - Series 1000
Visible setpoint, fixed deadband, pressure ranges to 1400 PSI.
Explosion-Proof Diaphragm Operated Pressure Switches - Series 1000E
Visible setpoint, fixed deadband, pressure ranges to 1400 PSI.
Dual-Action Explosion-Proof Pressure Switches - Series H2
Explosion-proof and weatherproof housing.
Diaphragm Operated Pressure Switches - Series AP
Visible setpoint adjustment compact, low cost.
Miniature Vacuum Switch - Series MVS
SPDT N/O or N/C Switch, Adjustable Set Point, Ideal for OEM’s
Mercoid Diaphragm Seal for DA Series Pressure Switch - Series XTBX
PVC and Teflon® Construction for Corrosive Applications
Low Cost Diaphragm Operated Pressure Switches - Series CS
Visible setpoints, fixed deadband.
 
Differential Pressure Switches
Bourdon Tube Differential Pressure Switches - Series BB
Stainless steel bourdon tubes, adjustable deadband, high pressure
Compact Low Differential Pressure Switches - Series 1900
Our smallest, lowest cost precision switches. Six standard ranges – Set points from 0.07" to 20" W.C. Repetitive accuracy within 3%.
Differential Pressure Switches - Series PG
External adjustment, visible dial, hermetically sealed snap or mercury switch.
Explosion Proof Differential Pressure Switches - Model 1950
Compact, Low-Cost, Explosion-proof and Weatherproof.
Double Bellows Differential Pressure Switches - Series DP
Visible setpoints, adjustable or fixed deadband... high pressure ranges.
Explosion-Proof Differential Pressure Switch - Model 1950G
Explosion-Proof, Weatherproof, Compatible with Natural Gases
Explosion-Proof Differential Pressure Switch - Series H3
Ranges from 10" w.c. to 200 psid, Explosion-proof and Weatherproof Standard
Gas Differential Pressure Switch - Series A4
Ranges from 7 psi to 250 psi, Air and compatible gases
 
Single Pressure Gages
Liquid-Filled Gage - Series 760
Ranges from 30" Hg Vacuum to 160 psi, ASME Grade 2A Accuracy, 4-1/2" Gage
Process Pressure Gage - Series 761
Ranges from 30" Hg Vac to 160 psi, ±1% Full Scale Accuracy, 4-1/2" Gage
Process Pressure Gage - Series 762
Ranges from 30" Hg Vac to 160 psi, ±0.5% Full Scale Accuracy, 4-1/2" Gage, Liquid-Fillable
Digital Pressure Gage - Series DPG-100
±0.25% Full Scale Accuracy, NEMA 4X Housing
Digital Pressure Gage - Series DPG-000
Ranges from 15 to 5000 psi (1.03 to 344.5 bar), ±0.5% Accuracy, 3" Gage with 4-Digit Display, NEMA 4X
Digital Vacuum Gage - Series VG
7 Different Engineering Units, ±10% Accuracy, Alpha Numeric Display
Differential Pressure Transmitter - Series 7314D
Large Easy-to-Read 8 1/2", Analog Dial LCS, 1/4% F.S. Accuracy
Spirahelic® Pressure Gages - Series 6000
Reliability and accuracy in a 2 1/2" solid-front gage.
Pressure Gages - Series 61000/62000
Exceptional Value in a 2 1/2" Gage.
Liquid-Filled Gages - Series 63000
2 1/2" Dual Scale Dial, ASME Grade B
Digital Pressure Gages - Series 67000
Low Cost, ±2% Accuracy
Digital Pressure Gage - Series DPG-100
Ranges from 15 to 5000 psi (1.03 to 344.5 bar), ±0.25% Accuracy, 3" Gage with 4-Digit Display, NEMA 4X
Spirahelic® Pressure Gages - Series 7000
Reliability and Accuracy in a 4 1/2" or 6" solid-front gage. Triple helix Bourdon tube, Low friction direct drive. ASME Grades A, 2A or 3A, Optional 4-20 mA output for 7100 Models.
Spirahelic® Direct Drive - Series 7000B
Series 7000B Spirahelic® Direct Drive Pressure Gages with turret mount housings feature a triple coil spiral/helical wound Bourdon tube to provide dependable service.
Spirahelic® Pressure Gage - Series 7214D
1/4% Accuracy, Combines Analog and Digital Displays
 
Differential Pressure Gages
Differential Pressure Piston-Type Gage - Series PTGA & PTGC
Over Pressure Rating to 5000 psig
DigiMag® Digital Differential Pressure Gage - Series DM-1100
24 Volt or Battery Powered. Fits in Magnehelic® Gage Cut-Out
Magnehelic® Differential Pressure Gages - Series 2000
Indicate low air or gas pressure - positive, negative or differential. Accurate within 2%. 81 Ranges.
Capsuhelic® Differential Pressure Gages - Series 4000
For air of compatible gases or liquids. Measures pressure, vacuum or differential. Accuracy 3% of full scale. Suitable for internal pressures to 500 psig.
Minihelic II® Differential Pressure Gages - Series 2-5000
Combining high accuracy, readability, compactness, dependability, and low cost.
 
Switch/Gages
Digihelic® Controller in Photohelic® Gage, Square Root Output for Flow
Digihelic® II Differential Pressure Controller - Series DHII
Ranges 5" w.c. to 100" w.c. (1.3 to 24.9 kPa), ±0.5% Accuracy, NEMA 4 (IP66) Housing, Switch and Transmitter
Digihelic® Differential Pressure Controller - Series DH
Ranges 5" w.c. to 100" w.c. (1.3 to 24.9 kPa), ±0.5% Accuracy, 3 in 1 Instrument: Gage, Switch and Transmitter
Mini-Photohelic Differential Pressure Switch/Gage - Series MP
Compact, Low Cost Switch Gage.
Photohelic® and Capsu-Photohelic Pressure Switch Gages - Series A3000/3000
Ranges 0.25" w.c. to 6000 psi (60 Pa to 41,000 kPa), ±2% Accuracy, 3-in-1 Indicating Gage, Hi/Lo Limit Control.
Capsu-Photohelic® Pressure Switch Gage - Series 43000
Ranges 0.5" w.c. to 300 psi (120 Pa to 2,060 kPa), ±3% Accuracy, 3-in-1 Indicating Gage, Hi/Lo Limit Control
Photohelic® Switch/Gages - Series 3000MR/3000MRS
Combines differential pressure gage with low/high set-points. Compact and lightweight. Versatile SPDT electro-mechanical relays, 3000MR Reliable solid state switching, 3000MRS.
Photohelic® Pressure Switch/Gage with Integral Transmitter - Series 3000SGT
They're 4-in-One: 1. Indicating gage. 2. Lo-Limit control 3. High Limit control. 4. 4-20 mA transmitter. Indication accuracy 2%, switch repeatability 1%.
 
Accessories
Current to Pressure Transducer - Series 2200
Control Transformer - Model A-699
Power Supply - Model A-700
Digital Panel Meter/Power Supply with Alarm - Model A-702
Digital Voltmeter - Model A-703-2
Process Indicator and Alarm - Series 1000
Indicating Annunciator - Series AN14