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The Series PTGD Differential Pressure Piston-Type Gage can be used to measure the pressure drop across filters, strainers, pump performance testing, and heat exchanger pressure drop monitoring. Its simple, rugged design possesses weather and corrosion resistant gage front with a shatter resistant lens. The Series PTGD contains a piston-sensing element which provides different differential pressure ranges with full-scale accuracies of ±2%. Constructed with aluminum or 316SS and available with two 1/4″ female NPT end connections, the Series PTGD provides over-range protection rated to 3000 psig (200 bar) or 6000 psig (400 bar) depending on model. Standard models come with in-line connections. Back or bottom connections are also available.
Retail price from $255
Available
Dwyer® Flex-Tube® U-Tube Manometers combine the inherent accuracy of the simple “U” Tube with the durability of tough, long-lasting plastic construction. These inexpensive manometers measure positive, negative and differential pressures. Columns are of .375″ O.D. flexible and shatter proof clear butyrate tubing. They are easily accessible for cleaning. Indicating tube is backed by white scale channel to provide maximum color contrast. Scales are extruded high impact polystyrene plastic, formed to hold columns in perfect alignment. Stark white scales have graduations and numbers silkscreen-printed in black for maximum legibility.
Retail price from $63
Available
The Series SG5 Contractor Gages are ideally manufactured for contractors because of their large dial and compact design. Since the gages are lightweight and slim, they are easy to transport. The large 4.5″ scale makes them simple to read. The Series SG5 gages possess psi scales with 1% full-scale accuracy. The gages are made with a stainless steel housing and brass wetted parts. Units can withstand temperatures of -4 to 140°F (-20 to 60°C). These qualities make the SG5 series perfect for contractors and industrial applications. A wide offering of ranges are available from full vacuum to 300 psi.
Retail price from $29
Available
The DPG280 series log up to 10,000 data points and have a USB connection and software for access. They are battery powered with a ±0.25% accuracy in multiple pressure units.
- Over Pressure 1.5X for ranges <10,000 psi
- Stability ± 0.2%FS/year
- Wetted Parts 304 SS
- PowerBattery (Two AAA Batteries)
Retail price from $888
Available
The DPG1100 series gauges are AC/DC, loop, or battery powered units, with an optional 4 to 20 mA output, NIST certification, and have a ±0.25% accuracy.
- NEMA-4X Enclosure
- ±0.25% Test Gauge Accuracy
- 316 Stainless Steel Wetted Parts
- Easy-to-Read 3½ Digit LCD Display
Retail price from $519
Available
The Series PFG2 Process Filter Gage is designed for determining the state of an inline filter. The differential pressure indicator determines the pressure drop on either side of a filter through its 1/8″ female NPT pressure connections, and relates the value to one of three zones: clean (green), change (yellow), or dirty (red). The Series PFG2 is perfectly suited for filter applications, line loss, valve drop, and many other differential pressure applications where a simple indicator is needed. The direction of process flow is indicated on the dial, with the arrow pointing to the low pressure port. The PFG2 can be connected in-line through the side process connections, but can also be directly mounted through the outlet/inlet.
Retail price from $116
Available
Dwyer® Series 200 & 300 Durablock® Solid Plastic Stationary Gages, or draft gages, are offered in inclined and vertical (well-type) styles for highly accurate laboratory or general industrial service, for measurement of low range gas and air pressures, positive, negative or differential. To assure the accuracy required in instruments of this type, all machining of bores and wells is to the highest standards of precision backed by Dwyer’s years of experience in the fabrications of acrylic instruments
Retail price from $949
Available
The Series LPG5 Low Pressure Gages offer top of the line performance for pressure applications from 10 in. w.c. to 10 psi. The LPG5 gages possess dual scales with 3-2-3% full-scale accuracy on a 2.5″ dial. Units are made with a chrome plated steel housing and brass wetted parts. Units can withstand temperatures of -4 to 140°F (-20 to 60°C). This series is meant for the measurement of low pressures of gases and liquids and is ideal for air flow indication, liquid level and draft measurement. Series LPG5 gages are available with either a bottom or back connection option.
Retail price from $44
Available
The OmegaTM DVG-64A digital vacuum gauge delivers high precision at a low price. It can accurately read vacuum from 19,000 microns down to 0, over a wide temperature range of -17 to 65°C (0 to 150°F). The vacuum can be displayed in userselectable units.
- 19,000 to 0 Microns
- Reads Vacuum in 5 Units of Measure
- Auto Shut-Off
- Built-In Hanger
Retail price from $296
Available
The DPGM409 series have metric fittings and ranges, a current or voltage output signal with a wireless option and are user-configurable with a ±0.08% accuracy.
- 5-PT NIST Traceable Calibration Included
- High 0.08% Accuracy
- Easy to Read 25 mm (1′) Backlit LCD Display
- Hi and Lo Alarms Standard
Retail price from $1 183
Available
Dwyer® Series 1230 & 1235 Flex-Tube® Well Type Manometers are designed to meet the need for a direct reading single column instrument providing highly accurate pressure readings; positive, negative or differential. Unlike other makes, Dwyer manometers have no hidden wells or packing glands. These instruments are constructed of shatter-proof clear plastic tubing permanently bonded to well assemblies with leak-proof glued joints. Well assemblies are precisely machined from solid acrylic plastic. Over-pressure safety traps assure protection against loss of fluid. Scales are adjusted with quick-acting positive mechanism. These manometers are rated to 100 psig (6.89 bar). Not recommended for vacuum service beyond 5″ Hg (68″ w.c.).
(Note: Red gage fluid included with -D style manometer.)
Retail price from $483
Available
The DPG-108 series pressure and vacuum gauges have a ±0.25% accuracy for most units. They are battery powered with selectable pressure units.
- Large-Screen LCD Display, Backlight, High Resolution, Easy to Read
- Automatically Record the Peak Pressure Value During Each On/Off Cycle
- Pressure on the Percentage of Dynamic Display, (the Progress Bar Display)
- Five Engineering Units: psi, bar, kPa, MPa, kg/cm2
Retail price from $292
Available
The DPG-101 series are AC powered with a 4 to 20 mA output and oxygen service cleaning is an option. Vacuum, gauge, and absolute pressures are available with a ±0.25% accuracy.
- 4-Digit High Resolution LED Digital Display
- All Stainless-Steel Construction
- Gage, Absolute, Compound, and Vacuum Ranges Available
- 0.25% FS Terminal Point Accuracy
Retail price from $320
Available
The Series MP Mini-Photohelic® Differential Pressure Switch/Gage combines the time proven Minihelic® II differential pressure gage with two SPDT switching set points. The Mini-Photohelic® switch/gage is designed to measure and control positive, negative, or differential pressures consisting of non-combustible and non-corrosive gases. Gage reading is independent of switch operation. Switching status is visible by LED indicators located on the front and rear of the gage. Set points are adjusted with push buttons on the back of the unit.
Retail price from $585
Available
Dwyer® Series 420 Inclined-Vertical Manometer are extremely accurate instruments designed and made especially for precision measurement of low differential pressures in laboratory and test applications. The inclined range bore has a length of 20″ to provide ample multiplication of indicating fluid movement in this critical lower part of the range.
Retail price from $1 381
Available
The Series DPG-200 Digital Pressure Gage has a precise ±0.25% full scale accuracy. The 4 digit digital display will reduce the potential for errors in readings by eliminating parallax error commonly produced with analog gages. The DPG-200 is packaged in a durable extruded aluminum case designed to meet NEMA 4X (IP66). The unit is powered by 12-24 VDC/VAC and contains two alarm set points along with a 4-20 mA process output. A four-button keypad allows easy access to features. These features include backlight, peak and valley, auto zero and conversion of the pressure units.
Retail price from $519
Available
The DPG1000 series are available in AC/DC, loop, or battery powered units with a 4 to 20 mA output and dual alarms. They have a ±0.25% accuracy in gauge and absolute ranges.
- Burst Pressure 4x rated pressure min
- Accuracy Value ±0.25%
- Input Type -30 inHg to 100 psig
- Display Digit Height 13 mm
Retail price from $472
Available
The DPG409S sanitary series have a current or voltage output signal with a wireless option and are user-configurable. They have ±0.08% accuracy in many pressure types.
- Easy to Read 25 mm (1′) Backlit LCD Display
- High 0.08% Accuracy Typical
- Hi and Lo Alarms Standard
- MIN/MAX/AVG Reading
Retail price from $1 440
Available
Digital hand manometer for small pressures, vacuum, differential pressures and absolute pressure
- Measuring ranges from 0…1 mbar to 0…10 bar
- Potentiometer for zero point adjustment
- Optionally with analog output 0…1 VDC
Retail price from $270
Available
Using solid state technology, the Series Photohelic 3000MR/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. Units can be flush mounted or surface mounted with hardware supplied. 3000MR models employ versatile electromechanical relays with gold over silver contacts – ideal for dry circuits. For applications requiring high cycle rates, choose 3000MRS models with SPST (N.O.) solid state relays. All models provide both low and high limit control and include 18-inch (45 cm) cable assemblies for electrical connections.
Retail price from $637
Available
Dwyer® Durablock® Series 250-AF Inclined Manometer Air Filter Gages are precision machined 1″ thick solid acrylic plastic, virtually unbreakable and free of distortion. The fluid bore is precision drilled to ±.0002″ to assure life-long accuracy. A glass spirit level is built into the body and encapsulated to prevent damage or tampering. The scale is mirror polished chrome plated brass to assure parallax free reading by alignment of the meniscus with its reflection. Safety traps are incorporated in the body to prevent loss of fluid due to pressure surges. Red and green signal flags indicate clearly when a filter change is necessary. Gages are suitable for use in ambient temperatures of -20 to 150°F. Connection fittings are positively sealed but easily removed for zeroing or addition of fluid.
Retail price from $631
Available
The Series DPG Digital Pressure Gages have a high ±0.25% or ±0.5% full-scale accuracy. The 4 digit digital display will reduce the potential for errors in readings by eliminating parallax error commonly produced with analog gages. Series DPG is battery powered and has an auto-shut off to conserve battery life. Battery life, on average, will last 2000 hours. A 4 button key pad allows easy access to features without the need to work through complex menus or difficult key combinations. These features include backlight, peak and valley, tare or auto zero and conversion of the pressure units.
Retail price from $295
Available
The DPG7000 series have a durable NEMA 4X case, and min/max readings, zero function, 7 languages, and 12 selectable units. They are battery powered with up to a ±0.05% accuracy
- 0.05, 0.10 and 0.25% FS Accuracy Models
- 12 User-Selectable Units of Measure
- Large 17 mm (0.66′) Display with % of Range Bar Graph
- All Stainless Steel Wetted Parts and Case
Retail price from $1 790
Available
The DPGM409DIFF series have metric fittings and ranges, a current or voltage output signal with a wireless option and are user-configurable with a ±0.08% accuracy.
- Wet/Wet Differential Pressure Measurement
- 5-Point NIST Traceable Calibration
- Easy to Read 25 mm (1′) Backlit LCD Display
- High 0.08% Accuracy
Retail price from $1 685
Available