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Select the Series 2000 Magnehelic® Gage for a versatile low differential pressure gage with a wide choice of 81 models and 27 options to choose from. Using Dwyer’s simple, frictionless Magnehelic® gage movement, it quickly indicates air or noncorrosive gas pressures–either positive, negative (vacuum) or differential. The design resists shock, vibration, over-pressures and is weatherproof to IP67. Select the -HA High Accuracy Magnehelic® Gage option for an accuracy within 1% of full scale, located below in the Product Configurator. Also included with the –HA option at no extra cost is a mirrored scale overlay and a 6 point calibration certificate.
Retail price from $75
Available
The Series 477AV Handheld Digital Manometer is now available with pressure, flow, and velocity measurements along with a number of other convenient features. The built-in air velocity and flow calculations provide accuracy and conserve time and error associated with manual calculations. Also featured on this unit are adjustable zero and span values for calibrating in the field, as well as a damping feature to compensate for the fluctuating of readings.
Retail price from $233
Available
The Series SG3 Industrial Pressure Gages have dual psi and bar (x100 kPa) scales with ±2.5% full-scale accuracy. The Series SG3 gages are designed with 304 SS housings and 316 SS wetted parts for excellent chemical compatibility. These gages cover a wide variety of ranges from full vacuum to 300 psi. Units can withstand ambient temperatures up to 140°F (60°C). Bottom or back 1/8″ NPT connection options available.
Retail price from $43
Available
Designed to measure air velocity, static pressure, vacuum or differential pressure, where the additional range of the 400 Series gages is not required. Series 100 Gages offer superb accuracy combined with portability. The Dwyer® Durablock® precision machined solid acrylic plastic construction, the wells and inclined bore are machined to tolerances of ±.0002″.
Retail price from $112
Available
The DPG2001B series have the ability to store 6 readings, and have an optional NEMA 4X housing. They are battery powered with ±0.25% accuracy in a variety of pressure units.
- ±0.25% Accuracy
- 316 SS Wetted Parts
- Selectable Engineering Units
- Selectable Auto Shutoff Times
Retail price from $578
Available
The PGT series are 4.5″, 6″ and 8.5″ dial gauges with ±0.25% accuracy that can be used in anywhere from industrial plants to laboratories, wherever high accuracy is needed.
- 0.25% FS Accuracy
- Monel Wetted Parts
- Stem and Panel Mount
- Mirrored Scale
Retail price from $897
Available
The Series 477B Handheld Digital Manometers are versatile, hand-held, battery operated manometers available in several basic ranges from 0-20 in w.c. up to 100 psi. All models measure either positive, negative or differential pressures with ±0.10% of full scale accuracy. You can select from up to seven common English and metric pressure units so conversions are not necessary. A memory function allows storage of up to 40 readings for later recall and a backlight provides auxiliary lighting for hard-to-see locations. Also standard is a hold feature; plus both visual and audible overpressure alarms.
Retail price from $524
Available
The Series SGY Gages have dual psi and bar (x100 kPa) scales with ±1.5% full-scale accuracy. The Series SGY gages are designed with 304 SS housings and brass wetted parts for excellent chemical compatibility. These gages cover a wide variety of ranges from full vacuum to 1,000 psi and are available in both bottom or back connections. Series SGY gages employ an easy-open breather plug on top, which allows liquid filled units to breathe, relieving any built up internal pressures. Plug easily pops open and does not need to be entirely removed or cut like a typical gages’ rubber plug grommet.
Retail price from $22
Available
The Model BTK2 Backflow Prevention Test Kit is capable of testing hydronic systems with test procedures recommended by ASSE, AWWA, CSA, FCCC, HR-USV, and NEWWA. The BTK2 is comprised of three valves and is specially designed for testing backflow prevention assemblies. The tests can be completed in almost any area by mounting the unit with the included high performance elastic cord. PTFE-lined brass ball valves simplify the adjustment procedure. The large, easy-to-grip needle valve allows for quick adjustment.
Retail price from $1 590
Available
The DPG3500 series logs min/max readings and has a durable NEMA 4X housing. They are battery powered with a ±0.25% accuracy in vacuum, gauge, and absolute pressure units.
- Capture Minimum and Maximum Readings
- Now with Field Selectable Engineering Units
- Zero with One-Touch
- 316 Stainless Steel Wetted Parts
Retail price from $586
Available
The PGM series are 2.5″ and 4″ dial gauges that display the pressure in both psi and bar units, with ±1% or ±1.6% accuracy that have IP65 protection and are liquid fillable.
- Dual Scales in PSI and BAR Standard
- 63 mm (2½’) and 100 mm (4′) Dial Sizes
- Back or Lower Mount Fittings
- All Stainless Steel Construction
Retail price from $137
Available
The Series 4000 Capsuhelic® Differential Pressure Gage is designed to give fast, accurate indication of differential pressures. The gage may be used as a readout device when measuring flowing fluids, pressure drop across filters, liquid levels in storage tanks and many other applications involving pressure, vacuum or differential pressure. The pressure being measured is held within a capsule which is an integral part of the gage. This containment of the pressure permits the use of the gage on system pressures of up to 500 psig, even when differentials to be read are less than 0.1 in w.c.
Retail price from $773
Available
The Series 490A Hydronic Differential Pressure Manometers are versatile, handheld, battery operated manometers available in several basic ranges for positive or positive differential pressure measurement and can tolerate most liquid media compatible with 316LSS. A new feature added to the Series 490A is a field adjustable damping, which allows the user to choose the level of display averaging rate corresponding to the fluctuation level common in many applications.
Retail price from $1 005
Available
The Series SGZ Industrial Pressure Gages have dual psi and bar (x100 kPa) scales with ±1.5% full-scale accuracy. The Series SGZ gages are designed with 304 SS housings and 316 SS wetted parts for excellent chemical compatibility. These gages cover a wide variety of ranges in either bottom or back connection configurations. Series SGZ gages employ an easy-open breather plug on top, which allows liquid filled units to breathe, relieving any built up internal pressures. Plug easily pops open and does not need to be entirely removed or cut like a typical gages’ rubber plug grommet.
Retail price from $57
Available
The Series LPTK Gas Pressure Test Kit is ideal for testing LP & natural gas lines and controls. The kit’s gage shows if proper pressure is present or if a leak exists. The Series LPTK Gas Pressure Test Kit is available in two different gage ranges, and each gage is 3% full scale accurate with an easy to use calibration screw on the back of the gage. It is easier to use than a manometer, and includes a sturdy case for added durability and safe handling.
Retail price from $51
Available
The DPG8001 series have a durable NEMA 4X SS or thermoplastic case and min/max readings, selectable units, optional 4 to 20 mA and SPDT alarm outputs, and ±0.25% accuracy.
- A Multi-Functional Digital Gauge with Optional 4 to 20 mA Output and (1) or (2) SPDT Switches
- ±0.25% of Span Terminal Point Accuracy
- IP65 (NEMA 4) Weatherproof Case
- 3′ Stainless Steel Case or 4 1/2′ Fiberglass Reinforced Thermoplastic Case
Retail price from $663
Available
The PGH series are heavy duty 4.5″ or 6″ dial gauges with ±0.5% accuracy with the option of a phenol or aluminum case for additional durability in industrial applications.
- 0.5% FS Accuracy
- PGH Gauge Ranges from 15 psi to 20,000 psi
- Double-Strength Shatter-Resistant Glass
- Heavy Duty 316 SS Wetted Parts
Retail price from $344
Available
Combining clean design, small size and low cost with enough accuracy for all but the most demanding applications our Series 2-5000 Minihelic® II Differential Pressure Gage offers the latest in design features for a dial type differential pressure gage. It is our most compact gage but is easy to read and can safely operate at total pressures up to 30 psig.
Retail price from $69
Available
The Series 1227 Dual Range Flex-Tube® U-Inclined Manometers are versatile, low cost manometers that can be used to read high-range pressure on the right leg or as an inclined manometer to read low-range pressure on the bottom leg. It is made of a sturdy, clear plastic and offers direct readings as a U-tube or an inclined gage. Magnetic clips are attached to the unit to hold it in position on any steel duct surface and instructions are conveniently printed directly on the scale. See the Support Library tab for Safety Data Sheets.
Retail price from $174
Available
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.
Retail price from $14
Available
The DPG5500 series have an aluminum case, and several user-configurable settings, min/max readings, zero function, and selectable units. They have a ±0.25% accuracy.
- Now with Selectable Engineering Units
- Capture Minimum and Maximum Readings
- Zero with One-Touch
- 316 Stainless Steel Wetted Parts
Retail price from $561
Available
The PGL series are 2.5″ dial gauges, for pressures as low as 10 inH2O, with ±2-1-2% accuracy, corrosion resistant bronze diaphragm, and 150% overpressure protection.
- Easy To Read 2½ inch Dial
- Corrosion-Resistant Bronze Diaphragm
- 150% Overpressure Protection
- Recalibration Screw on Dial
Retail price from $82
Available
Series 2000-SP Magnehelic® Differential Pressure Gage has a bright red LED on the right of the scale showing when setpoint is reached. Field adjustable from gage face, unit operates on 12-24 VDC. Requires MP or HP style cover and bezel.
Retail price from $267
Available
The Series 1211 Slack Tube® Manometer is as accurate as the finest laboratory “U° gages, but is designed to roll up compactly for easy carrying. These manometers cover a wide range of pressure readings from 4-0-4 inches up to 60-0-60 inches.
The Model 1212 Gas Pressure Kit comes supplied with a 1211-16 Slack Tube® Manometer, carrying case, necessary tubing, and connection fittings for checking gas pressures in virtually all gas appliances. See the Support Library tab for Safety Data Sheets.
Retail price from $149
Available