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Dwyer Pressure Gauges
Offering you a complete choice of products which include digital differential pressure and flow gauges, digital calibration pressure gauge, utility pressure gauge, diaphragm pressure gauge, magnehelic gauges and digital pressure gauge.
Digital Differential Pressure and Flow Gauges
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Product Details:
| Power Source | 9-24 VDC |
| Brand | Dwyer |
| Battery Life | 150 hrs |
| Display Digits | 4 |
| Use | Calibration |
| Display Type | Digital |
| Pressure Type | Differential Pressure |
| Connection Type | ID tubing |
| Connection Size | 1/8 inch |
- Service: Air & non-combustible, compatible gases.
- Wetted Materials: Consult factory.
- Housing Materials: Glass filled plastic.
- Accuracy: ±1% FS including linearity, hysteresis and repeatability; ±2% FS for ranges 1 in w.c. and below.
- Temperature Limits: 0 to 140°F (-18 to 60°C).
- Compensated Temperature Limits: 32 to 122°F (0 to 50°C).
- Long Term Stability: ±1% FS per year.
- Thermal Effect: ±0.05% FS/°F typ.; ±0.10% FS/°F for ranges 1 in w.c. and below.
- Display: 4-digit LCD(digits:0.60H x 0.33W).
- Display Update: Selectable for 1 second to 10 minutes or update only from button push.
- Pressure Limits: Normal and bi-directional ranges 5 in w.c. and lower = 2 psi (13.7 kPa); Normal and bi-directional ranges 10 in w.c. and higher = 11 psi (75 KPa).
- Selectable Engineering Units: in w.c., psi, kPa, Pa, mm w.c., mBar, in Hg, mm Hg, FS(0-100%).
- Power Requirements: 9 V alkaline battery, included, user replaceable or external power supply 9-24 VDC.
- Battery Service Life: Battery life depending on the display update setting:150 hours (typical) if display update=1 second; 9 month (typical) if display update = 10 minutes; 1.5 years (typical) if display update is disabled. Battery may last up to four times longer when using lithium-based battery ULTRALIFE U9VL-J.
- Current Consumption: 5 mA max.
- Electrical Connections: Removable terminal block for 16 to 26 AWG.
- Electrical Entry: Cable gland for 0.114 to 0.250 (2.9 to 6.4 mm)diameter cable.
- Process Connections:1/8 (3 mm) ID tubing.
- Enclosure Rating: NEMA 4X (IP66).
- Weight: 1.18 lb(535 g).
- Size: 5 (127 mm) OD front face.
- Agency Approvals:CE.
Additional Information:
- Item Code: DPF
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Digital Calibration Pressure Gauge
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Product Details:
| Power Source | 9 V alkaline |
| Brand | Dwyer |
| Battery Life | 10000 hrs |
| Display Digits | 5 |
| Use | Calibration |
| Display Type | Digital |
| Connection Type | NPT |
| Connection Size | 1/2 inch |
The Series DCGII Digital Calibration Pressure Gage offers a complete pressure gage with calibration capabilities. With a precise 0.05% full scale accuracy and large 5 digit resolution, this gage can be used in critical industrial applications where precision is most important. This versatile gage only requires one 9V battery or power adapter and can operate up to 5,000 working hours. The Series DCGII 0.05% Digital Pressure Gage can display percent of range, pressure swings or alarm set points. This pressure gage comes complete with eleven selectable pressure units, backlight and zeroing capability.
SPECIFICATIONS
- Service: Compatible, non-combustible liquids and gases
- Wetted Materials: 316 SS
- Other Materials: Housing: Aluminum alloy; Display: Acrylic MR200; Buttons: Silicon gel; Back plate: 304 SS; Back seal: Oil-proof latex
- Accuracy: 0.05% FS; ±1 least significant digit
- Temperature Accuracy: ±1°C
- Pressure Limits: 120% FS
- Temperature Limits: 14 to 122°F (-10 to 50°C)
- Compensated Limits: 32 to 122°F (0 to 50°C)
- Process Connection: 1/2 male NPT
- Display: 5-digit LCD with blue backlight
- Power Requirements: 9 V alkaline battery,included, user replaceable,or power adapter accessory
- Battery Life: Up to 10,000 hours (600 working hours @ default 3 times/s)
- Auto Shut-off: Backlight: On/off, 10 s, 20 s, 30 s
- Weight: 1.28 lb (0.58 kg)
- Agency Approvals: CE
Additional Information:
- Item Code: SeriesDCGII
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Utility Pressure Gauge
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Product Details:
| Minimum Order Quantity | 1 Piece(s) |
| Dial Size | 2.5 inch / 63 mm |
| Brand | Dwyer |
| Use | Process Industries |
| Display Type | Analog |
| Connection Type | NPT |
| Connection Size | 1/4 inch |
| Dial Type | Dry |
The Series UGK Gages have dual psi and bar (x100 kPa) scales with ±1.5% accuracy. The Series UGK gages are designed with brass and phosphor bronze wetted parts, and can withstand ambient temperatures up to 140°F (60°C). A wide variety of ranges are available in this economical gage in either bottom or back connection configurations.
SPECIFICATIONS
- Service: Compatible gases & liquids
- Wetted Materials: Brass connector,phosphor bronze tube
- Housing: Black painted steel
- Lens: Polycarbonate
- Accuracy: ±1.5% FS
- Pressure Limit: FS value
- Temperature Limits: -4 to 140°F (-20 to 60°C)
- Size: 2.5 (63 mm)
- Process Connections: 1/4 male NPT
- Weight: 5.1 oz (145 g) bottom,5.5 oz (155 g) back
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Diaphragm Pressure Gauge
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Product Details:
| Brand | Radix |
| Pressure Range | 0 to 400 Kg/cm2 |
| Use | Liquid |
| Display Type | Analog |
| Pressure Type | Gauge Pressure |
| Model Name/Number | PGS400 |
| Country of Origin | Made in India |
Specifications
- High pressure welded construction, economic model
- Threaded process connection for direct mounting
- Whether proof to IP 68 per IS/IEC 60529:2001
- Diaphragm material, SS316L
- Scale ranges upto 0…400 Kg/cm2
- SS316 Diaphragm
- For Liquids and non corrosive gases
- Also available with flexible stainless steel armored capillary assembly
Additional Information:
- Item Code: PG1
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Magnehelic Gauges
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Product Details:
| Brand | Dwyer |
| Pressure Range | 0.25 to 0.75 psi |
| Use | HVAC Systems |
| Display Type | Analog |
| Pressure Type | Differential Pressure |
| Shape | Circular |
It also checks gas-air ratio controls and automatic valves, and monitors blood and respiratory pressures in medical care equipment.
Select the Magnehelic gauge for high accuracy, guaranteed within 2% of full scale. Designed for air and non-corrosive gases, 81 models are available to suit any requirement.
Using Dwyer's simple, frictionless Magnehelic gauge movement, this range of products quickly indicates low air or non-corrosive gas pressures - positive, negative (vacuum) or differential.
These gauges resist shock, vibration and over-pressures and contain no manometer fluid to evaporate, freeze or cause toxic or leveling problems.
They are very budget friendly as well!
Design features include a breakage resistant glass, easy-to-see red tipped pointer, near frictionless movement of internal mechanisms, a zero adjustment screw that can be accessed without removing the cover, resistance to overpressures, O-ring seal and die-cast iridite-dipped aluminium cases that have passed a 168 hour salt spray corrosion test.
Features : Magnehelic Gauge
- Bezel with flange for flush mounting in panel
- Breakage resistant clear plastic face
- Precision litho-printed scale
- Shock-resistant jeweled bearings
- Easy access to zero-adjustment screw
- Motion dampening with high viscosity silicone fluid
- Corrosion resistant die-cast aluminium case
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Digital Pressure Gauge
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Product Details:
| Power Source | 9V alkaline |
| Brand | Dwyer |
| Display Digits | 4 |
| Use | Calibration |
| Display Type | Digital |
| Pressure Type | Gauge Pressure |
| Connection Type | NPT |
| Connection Size | 1/4 inch |
| Accuracy Class | 1 |
The Series DPGW is the only economic digital pressure gage for liquids with the ability to select engineering units on the market. With its 1% accuracy and digital push-button zero, the DPGW is the perfect choice for digitally monitoring thepressures of compatible liquids and gases.
SPECIFICATIONS
- Service: DPGA:Air and compatible gases; DPGW: Liquids and compatible gases
- Wetted Materials: DPGA:316L SS, silicone sensor; DPGW:316LSS
- Housing Materials:ABS plastic
- Accuracy: ±1.0% FS (includes linearity, hysteresis, repeatability)
- Pressure Limits: 2X pressure range. Vacuum range max. pressure is 30 psig
- Temperature Limits: 30 to 120°F (-1 to 49°C)
- Thermal Effect:0.05% FS/°F
- Size: 2.62 OD x 1.52 deep
- Process Connections: 1/4 male NPT
- Display: 4-digit LCD (.425 H x .234 W digits)
- Power Requirements: 9V alkaline battery, included, user replaceable
- Auto Shut-off: 20 minute auto shut-off
- Weight: 5.6 oz (160 g)
Additional Information:
- Item Code: SeriesDPGA-DPGW
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Tridicator Gauge
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Product Details:
| Weight | 12.35 oz |
| Accuracy | Pressure +/- 3-2-3% |
| Temprature | 30- 40 degree celsius |
The Series TRI2 combines the value of an individual pressure gage and thermometer in one instrument.
These tridicators simplify installation which reduces time and saves money.
The moveable dial with blue pressure markings and red temperature markings make the instrument easy to read.
Pressure is indicated in both psi and kPa, while temperature is measured in both Fahrenheit and Celsius. Series TRI2 comes in three different connection options including lower mount, center back mount, and center back mount with extension shank.
Instructions:-
- Service: Compatible gases and liquid & phosphor bronze Bourdon tube
- Housing: Drawn steel, black finish
- Accuracy: Pressure ±3-2-3%; Temperature ±1 scale division
- Temperature Range:All models: 80 to 290°F (30 to 140°C)
- Temperature Limits: Ambient: -40 to 250°F (-40 to 120°C); Process: 80 to 290°F (30 to 140°C) Size: 3 (76 mm)
- Process Connections: 1/2 male NPT back or bottom, 1/4 male NPT back connection.
- Weight: 12.35 oz (350 g) center back mount and lower mount; 14.11 oz (400 g) center back mount with extension shank
Additional Information:
- Item Code: SeriesTRI2
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Magnehelic Differential Pressure Gauges
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Product Details:
| Minimum Order Quantity | 1 Piece(s) |
| Dial Size | 4 inch / 100 mm |
| Brand | Dwyer |
| Pressure Range | -0.677 to 1.034 bar |
| Use | Gas |
| Display Type | Analog |
| Connection Type | NPT |
| Connection Size | 1/8 inch |
- Service : Air & non-combustible, compatible gases (natural gas option available). Order a Buna-N diaphragm. Pressures must be less than 35 psi
- Wetted Materials: Consult factor
- Housing: Die cast aluminum case & bezel, with acrylic cover. Exterior finish is coated gray to withstand 168 hour salt spray corrosion test
- Accuracy: ±2% of FS (±3% on - 0, -100 Pa, -125 Pa, 10MM and ±4% on - 00, -60 Pa, -6MM ranges), throughout range at 70°F (21.1°C
- Pressure Limits: -20 in Hg to 15 psig† (-0.677 to 1.034 bar); MP option: 35 psig (2.41 bar); HP option: 80 psig (5.52 bar).
- Overpressure: Relief plug opens at approximately 25 psig (1.72 bar), standard gages only. See Overpressure Protection Note on next page
- Temperature Limits: 20 to 140°F* (-6.67 to 60°C). -20°F (-28°C) with low temperature option
- Size: 4 (101.6 mm) diameter dial face
- Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations Standard Accessories: Two 1/8 NPT plugs for duplicate pressure taps, two 1/8 pipe thread to rubber tubing adapter, and three flush mounting adapters with screws. (Mounting and snap ring retainer substituted for three adapters in MP & HP gage accessories.)
Additional Information:
- Item Code: Series2000
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Minihelic Differential Pressure Gauges
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Product Details:
| Minimum Order Quantity | 1 Piece |
| Brand | Dwyer |
| Use | Process Industries |
| Display Type | Analog |
| Pressure Type | Differential Pressure |
| Connection Type | ID tubing |
| Connection Size | 3/16 inch |
| Wetted Parts | SS 304, SS 316 |
| Weight | 6 Oz |
| Temperature Limits | 20 To 120 Degree Farhenheit |
Features:
- Service: Air and compatible gases.
- Wetted Materials: Consult factory.
- Housing: Glass filled nylon;acrylic lens.
- Accuracy: ±5% of FS at 70°F (21.1°C).
- Pressure Limits: 30 psig (2.067 bar) continuous to either pressure connection.
- Temperature Limits: 20 to 120°F (-6.67 to 48.9°C).
- Size: 2-1/16 (52.39 mm) diameter dial face.
- Mounting Orientation:Diaphragm in vertical position.Consult factory for other position orientations.
- Process Connections: Barbed, for 3/16 ID tubing (standard); 1/8 male NPT (optional).
- Weight: 6 oz (170.1 g).
- Agency Approvals: RoHS
Additional Information:
- Item Code: MDPG
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Photohelic Switch Gauges
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Product Details:
| Dial Size | 4 inch / 100 mm |
| Brand | Dwyer |
| Pressure Range | -0.677 to 1.72 bar |
| Use | Calibration |
| Display Type | Analog |
| Pressure Type | Differential Pressure |
| Connection Type | NPT |
| Connection Size | 1/2 inch |
Flame-proof ATEX approved Photohelic® Switch/Gages, Series AT3A3000, function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic® gage design.
The Photohelic® switch/gage measures and controls positive, negative or differential pressures of air and compatible gases.
Features:
- Service: Air and non-combustible, compatible gases.
- Brass case option required for water based liquids.
- Wetted Materials: Consult factory
- Housing material: Aluminum
- Finishing: Texture epoxy coat RAL7038
- Accuracy: ±2% of FS at 70°F (21.1°C); ±3% on -0 and ±4% on -00 models
- Pressure Limits: -20 in Hg to 25 psig (-0.677 to 1.72 bar). MP option; 35 psig (2.41 bar), HP option; 80 psig (5.52 bar)
- Temperature Limits: 20 to 120°F (-6.67 to 48.9°C) LT low temperature option to -20°F available; Case: -58 to 140°F (-50 to 60°C) (Note: Product temperature limits differ from case)
- Dial Size: 4 (101.6 mm)
- Mounting Orientation: Diaphragm in vertical position.
- Set Point Adjustment: Adjustable knobs on Photohelic® gage face behind enclosure cover.Follow instructions and safety warnings to open cover
SWITCH SPECIFICATIONS
- Switch Type: Each setpoint has 2 Form C relays (DPDT)
- Repeatability: ±1% of FS
- Electrical Rating: 10 A @ 28 VDC, 10A @ 120, 240 VAC
- Electrical Wiring: Screw terminals
- Power Requirements: 120 VAC, 50/60 Hz; 240 VAC & 24 VAC power optional
- Enclosure Rating: IP66. IP65 with option OPV, overpressure relief valve
- Process Connections: 1/8 NPT female brass (SS optional). In presence of acetylene it is necessary to use SS
- Electrical Connections: Three 1/2 NPT female.Cable gland not included.
- Weight: 28.4 lb (12.9 kg).
- ATEXApproved Products from Comhas with ECN: NEMKO 10ATEX1096.
- Agency Approvals: CE 0470 II2 GD Ex d IIC Gb T6; -50°C ≤ Ta ≤ +60°C Ex tb IIIC Db T 85°C.
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Spirahelic Direct Drive Pressure Gauge
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Product Details:
| Brand | Dwyer |
| Use | Gas |
| Display Type | Analog |
| Pressure Type | Gauge |
| Connection Type | NPT |
| Connection Size | 1/2 inch |
| Dial Type | Dry |
| Measuring Principle | Bourdon Type |
| Mounting | Bottom |
| Wetted Parts | Inconel Alloy |
Series 7000B Spirahelic® Direct Drive Pressure Gages with turret mount housings feature a triple coil spiral/helical wound Bourdon tube to provide dependable service. Bourdon tube design eliminates gears, springs, linkages and complex movements which can wear and cause inaccuracy or early failure. Series 7000B gages come standard with a dual-size 1/2male NPT and 1/4 female NPT process connection.
SPECIFICATIONS
- Service: Compatible gases & liquids
- Wetted Materials: Grade A accuracy:Inconel® X-750 alloy Bourdon tube,nickel plated brass connection block.
- Grade 2A accuracy: Inconel® X-750 alloy Bourdon tube, type 316L SS connection block
- Housing: Black polycarbonate case and clear acrylic cover
- Accuracy: Grade A (2%-1%-2%); Grade 2A (0.5% FS)
- Pressure Limit: 150% of full-scale. Gage will maintain its specifications for overpressures up to 150% maximum range. Normal operation
- should be between 25% and 75% of full-scale
- Temperature Limits: -65 to 180°F (-53.9 to 82.2°C)
- Size: 4-1/2 (114.3 mm) dial face – Design conforms to ASME B40.1
- Process Connections: Dual size 1/2 male NPT X 1/4 female NPT, bottom connections
- Weight: 18.2 oz (516 g)
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Photohelic Switch Gauges
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Product Details:
| Dial Size | 4 inch / 100 mm |
| Brand | Dwyer |
| Pressure Range | -0.677 bar to 1.72 bar |
| Use | HVAC Systems |
| Display Type | Analog |
| Pressure Type | Differential Pressure |
| Connection Type | NPT |
| Connection Size | 1/8 inch |
| Pressure Limit | -20 Hg. to 25 psig |
| Country of Origin | Made in India |
| Weight | 816 g |
Using solid state technology, the Series 3000MR and 3000MRS Photohelic® switch/gages combine the functions of a precise, highly repeatable differential pressure switch with a large easy-to-read analog pressure gage employing the durable, time-proven Magnehelic® gage design.
Switch setting is easy to adjust with large external knobs on the gage face.
Gage reading is unaffected by switch operation — will indicate accurately even if power is interrupted. Solid state design now results in greatly reduced size and weight.
Features:
- Service: Air and non-combustible,compatible gases
- Wetted Materials: Consult factory
- Accuracy: ±2% of FS (3000-0 ±3% of FS). (3000-00 ±4% of FS)
- Pressure Limit: -20 Hg. to 25 psig (-0.677 bar to 1.72 bar). MP option
- 35 psig (2.41 bar), HP option; 80 psig (5.52 bar)
- Temperature Limits: 20 to 120°F (-6.67 to 48.9°C)
- Process Connections: 1/8 female NPT (duplicated side and back)
- Size: 4 (101.6 mm) dial face, 5 (127 mm) OD x 3-1/8 (79.38 mm)
- Weight: 1.8 Ib (816 g)
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Magnehelic Pressure Gauge
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Product Details:
| Minimum Order Quantity | 1 Piece |
| Brand | Dwyer |
| Pressure Range | -0.677 bar to 1.034 bar |
| Use | HVAC Systems |
| Display Type | Analog |
| Pressure Type | Differential Pressure |
| Connection Type | NPT |
| Connection Size | 1/8 inch |
Important Features Dwyer Magnehelic Pressure Gauge:
- Service: Air and non-combustible, compatible gases.
- Wetted Materials: Consult factory.
- Magnehelic® Housing: Die cast aluminum case & bezel with acrylic cover; Exterior finish is coated gray to withstand 168 hour salt spray corrosion test.
- Housing Material: Aluminum.
- Finishing: Texture epoxy coat RAL7038.
- Pressure Limits: -20 in Hg to 15 psig (-0.677 bar to 1.034 bar); MP option; 35 psig (2.41 bar), HP option; 80 psig (5.52 bar)
- Overpressure: Relief plug opens at approximately 25 psig (1.72 bar), standard gages only. See overpressure protection note on Magnehelic® Gage catalog page
- Temperature Limits: 20 to 140°F (-6.67 to 60°C); Low temperature option: -20°F (-28.8°C);
- Case: -58 to 140°F (-50 to 60°C) (Note: Product temperature limits are less than case limits)
- Mounting Orientation: Diaphragm in vertical position.
- Accuracy: ±2% of FS (±3% on -0, -100 Pa, -125 Pa, -10 mm and ±4% on -00, -60 Pa, -6 mm ranges), throughout range at 70°F (21.1°C).
- Enclosure Rating: IP66. IP65 with option OPV, overpressure relief valve
- Process Connections: 1/8 NPT female brass (SS optional). In presence of acetylene it is necessary to use SS.
- Weight: 8.6 lb (3.9 kg).
- ATEX Approved Product from Comhas with ECN: NEMKO 10ATEX1096.
- Agency Approvals: CE 0470 II2 GD Ex d IIC Gb T6; -50°C ≤ Ta ≤ +60°C Ex tb IIIC Db T 85°C
Additional Information:
- Item Code: Series2000-SP
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Process Gauge with Dampened Movement
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Product Details:
| Minimum Order Quantity | 1 Piece |
| Brand | Dwyer |
| Wetted Materials | 316L SS |
| Weight | 37 oz |
| Material grade | SS316L |
| Material | Stainless Steel |
±0.5% Accuracy, Safety Blow-Out Back
The Series 765 Process Gage with Dampened Movement minimizes effects of vibration without liquid filling. With this dampened movement the 765 gages are ideal for use in any application where high pulsation or vibration exists. The 765 gages offer dual scale range (psi/kPa) with ±0.5% full-scale accuracy. They are designed with a Phenolic safety-case and have a solid front with a blow-out back. Excellent chemical compatibility is insured with the 316L SS socket and Bourdon tube. A wide offering of ranges are available from full vacuum to 20,000 psi. The 765 process gage comes standard with bottom 1/4 or 1/2 male NPT connections.
SPECIFICATIONS
- Service: Compatible gases & liquids
- Wetted Materials: 316L SS socket and Bourdon tube
- Housing: Phenolic plastic with safety blow-out back
- Lens: Polycarbonate
- Accuracy: ±0.5% ANSI/ASME Grade 2A
- Pressure Limit: 125% FS < 1500 psi, 115% FS for 2000 to 5000 psi,110% FS >10,000 psi
- Temperature Limits: -40 to 200°F (-40 to 93°C)
- Size: 4-1/2 (114.3 mm) dial face
- Process Connections:1/4 or 1/2 NPT male
- Enclosure Rating: IP65 (NEMA 4)
- Weight: 37 oz (1040 g)
- Agency Approval: RoHS
Additional Information:
- Item Code: Series765
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Magnehelic Gauge
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Product Details:
| Dial Size | 4 inch / 100 mm |
| Brand | Dwyer |
| Pressure Range | -0.677 to 1.034 bar |
| Use | Calibration |
| Display Type | Analog |
| Pressure Type | Differential Pressure |
| Connection Type | NPT |
| Connection Size | 1/2 inch |
| Mounting | Back |
Features/benefits
• Easy to read gage through undistorted plastic face permits viewing from far away
• Patented design provides quick response to pressure changes means no delay in assessing critical situations
• Durable and rugged housing and high-quality components combine to provide longservice life and minimized down-time
• High accuracy option is twice as accurate as the standard Magnehelic® gage.
Applications
• Filter monitoring
• Air velocity with Dwyer pitot tube
• Blower vacuum monitoring
• Fan pressure indication
• Duct, room or building pressures
• Clean room positive pressure indication
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