Pressure Meters

Capsuhelic Differential Pressure Gauges

Product Details:
  • Brand: ALM
  • Accuracy: 90
  • Wetted Parts: SS 304

The Capsuhelic® 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.

Using the basic design of Dwyer's time-proven Magnehelic® gage, the Capsuhelic® gage contains a simple, frictionless movement that permits full scale readings as low as 0.5 in w.c. 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.

The diaphragm-actuated Capsuhelic® gage requires no filling liquid which might limit its outdoor applications. Zero and range adjustments are made from outside the gage, and there is no need to disassemble the gage in normal service.

Note: May be used with Hydrogen. Order a Buna-N diaphragm. Pressures must be less than 35 psi.

Differential Pressure Piston-Type Gage

Product Details:
  • Brand: ALM
  • Accuracy: 90
  • Wetted Parts: SS 304

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.

Model HTG Handheld Digital Tire Pressure Gage

Product Details:
  • Brand: ALM

The Model HTG-01 Handheld Digital Tire Gage reads tire pressure quickly and accurately to help improve fuel economy and increase tire life. Its lightweight, handheld design makes it portable and user friendly with its one button operation. A backlit 1/4" LCD display and illuminated tip ensures easy visibility in low light. The Series HTG also displays three different units of psi, bar and kPa with the push of a button.

Series 43000 Capsu-Photohelic Pressure Switch Gage

Product Details:
  • Brand: ALM
  • Accuracy: 90
  • Wetted Parts: SS 304

Capsu-Photohelic® Switch/Gages function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic® gage design. The Capsu-Photohelic® switch/gage employs an encapsulated sensing element for use with both liquids and gases at pressures to 500 psig (34 bar). Optional cast brass case is available for water or water based liquids. Two phototransistor actuated, DPDT relays are included for low/high limit control. Easy to adjust set point indicators are controlled by knobs located on the gage face. Individual set point deadband is one pointer width — less than 1% of full scale. Set points can be interlocked to provide variable deadband — ideal for control of pumps, etc.

Series 605 Magnehelic Differential Pressure Indicating Transmitter

Product Details:
  • Brand: ALM
  • Application: Industrial

The Series 605 Magnehelic® Indicating Transmitter provides for both visual monitoring and electronic control of very low differential pressure. The Series 605 is ideal for control applications in building HVAC systems where local indication is desired during routine maintenance checks or necessary when trouble shooting the system. The easily read dial gage is complimented by the two-wire, 4-20 mA control signal utilizing the time-proven Dwyer® Magnehelic® gage mechanical design and Series 600 transmitter technology. The two-wire design with terminal strip on the rear simplifies connection in any 4-20 mA control loop powered by a 10-35 VDC supply.

Product Applications

  • Monitor pressures in ducts, rooms, or total building pressures.
  • Filter monitoring.
  • Local indication of clean room pressures with process signal sent to control room.

Series 607 Differential Pressure Transmitter

Product Details:
  • Brand: ALM

Series 607 Differential Pressure Transmitter combines very low ranges with exceptional stability, reliability and either ±0.25% or ±0.5% accuracy for the most demanding applications. Ranges from 0-0.1" to 0-25" w.c. Ultra thin glass clad silicon diaphragm design resists shock and vibration, practically eliminates drift. Certification to NIST standards is included with each unit. Tough stainless steel housing is NEMA 2 rated to protect against moisture and dirt. Use with air and other compatible gases.

Product Applications

  • Leak Detection
  • Clean Room Control
  • Lab and Fume Hood Pressure Control

Series 607D DIN Rail Mount Differential Pressure Transmitter

Product Details:
  • Brand: ALM
  • Input Pressure (Pascal): 25 in WC

The Series 607D DIN Rail Mount Differential Pressure Transmitter senses the pressure of air and compatible gases and sends a standard 4 to 20 mA output signal. The 607D housing is specifically designed to mount on a 35 mm DIN rail in a panel. This mounting style allows for several units to be mounted closely together reducing required space. A wide range of models are available factory calibrated to 0.25% full scale accuracy in ranges from the very low 0.1 in w.c. to 25 in w.c. The span and zero controls are for field calibration. Units also include red/green LED status of proper transmitter operation. Versatile circuit design enables operation in 2-wire current loops.

Series 629 Wet/Wet Differential Pressure Transmitter

The Series 629 Differential Pressure Transmitter monitors differential pressure of air and compatible gases and liquids with 0.5% accuracy. The design employs dual pressure sensors converting pressure changes into a standard 4-20 mA output signal for two wire circuits. Small internal volume and minimum moving parts result in exceptional response and reliability. Terminal block zero and span adjustments are easily accessed under the top cover. The Series 629 Differential Pressure Transmitter is designed to meet NEMA 4X (IP66) construction.

Product Applications

  • Monitor Differential Pressure Across: Flow Elements, Heat Exchangers, Filters, Pumps, Coils, Compressors

Series 631B Capsuhelic Wet Wet Differential Pressure Transmitter

Product Details:
  • Brand: ALM
  • Accuracy: 90
  • Wetted Parts: SS 304

The Dwyer Series 631B Capsuhelic® Differential Pressure Transmitter monitors differential pressure of air and compatible gases and liquids with accuracy. The design employs converting pressure changes into a standard 4-20 mA output signal for two wire circuits. Digital push-button, zero and span adjustments are easily accessed on the front cover. The Series 631 Differential Pressure Transmitter is designed to meet NEMA 4X (IP66) construction. Robust housing offers 500 psi static pressure rating on ranges down to 0.5" w.c.

Product Applications

  • Refrigeration Equipment
  • Energy and Water Management
  • Liquid Level in Water Storage Tanks

Series 636D Fixed Range Differential Pressure Transmitter

Product Details:
  • Brand: ALM

The Series 636D Differential Pressure Transmitter can be used for measuring pressures of liquids, gases & vapors. All available ranges have an excellent 0.5% F.S. accuracy with a 4-20 mA Output standard or optional 1-5 VDC output. The NEMA 4 housing is an all 316 welded construction that is designed to withstand the harshest environmental conditions. With all 316L wetted materials, this transmitter is compatible with most media. These units are CSA approved explosion-proof for use in the specified hazardous locations and meet NACE standards for off-shore applications.

Product Applications

Monitoring Differential Pressure for: Oil & Gas Applications, Level Measurements in Non-Vented Liquid Tanks, Filtration Systems, Compressor Control, Process Control.

Series 645 Wet Wet Differential Pressure Transmitter

Product Details:
  • Brand: ALM

Series 645 Wet/Wet Differential Pressure Transmitters are designed for use with compatible gases and liquids which can be applied to both the pressure and reference ports. Quick response capacitance sensor delivers a 4 to 20 mA output signal proportional to differential pressure with ±.25% accuracy. The Series 645 transmitters are ideal for process control, filter condition monitoring, refrigeration equipment, pump speed control, HVAC equipment, and liquid level measurement. For ease of installation and maintenance, order optional 3-valve manifold assembly. Bleed ports allow for total elimination of air in the line and pressure cavities.

Series 646B Differential Pressure Transmitter

Product Details:
  • Brand: ALM

The Series 646B Differential Pressure Transmitter is designed to be used with clean, dry air and other non-corrosive gases. Each unit features a flame retardant enclosure and a unique design which is suitable for circuit board mounting. Series 646B measures differential pressure at an accuracy of ±2.0% FS down to 0.5 in w.c. The transmitter contains a stainless steel sensor that provides resistance against corrosion combined with excellent performance and long term stability. The Series 646B transmitter features excellent stability, low hysteresis, accurate operation over a broad temperature range, and exceptional insensitivity to vibration. These features make the transmitters perfect for VAV systems, filter monitoring, HVAC fan control, building pressurization, and leak detection systems.

Product Applications

  • VAV Systems
  • Filter Monitoring
  • HVAC Fan Control
  • Building Pressurization
  • Leak Detection

Series 647 Wet Wet Differential Pressure Transmitter

Product Details:
  • Brand: ALM

Monitor differential pressure in air/liquid flow systems, HVAC automation, pneumatic systems and process control with the Series 647 Wet/Wet Differential Pressure Transmitter. Units are temperature compensated and provide a 4 to 20 mA output signal which can be interfaced with chart recorders, data loggers and computerized monitoring and control systems.

Series 648B & 648C Differential Pressure Transmitter

Product Details:
  • Brand: ALM

The Series 648B and 648C Differential Pressure Transmitters are designed to be used with clean, dry air and other non-corrosive gases. Each unit features a push-activated zero function and an associated LED light indicator. With the convenient push-button, zero calibration can be performed without any additional equipment, which significantly reduces time and cost for users. The dual color LED indicates if the transmitter is at normal operation, overpressure, or in the process of zero calibration. The enclosure consists of a flame retardant plastic top cover and a stainless steel bottom plate for ruggedness. The pressure ranges vary from 0.1 in w.c. to 25 in w.c. unidirectional and 0.25 in w.c. to 5 in w.c. bidirectional. Series 648B comes standard with ±0.8% FS* accuracy, while 648C models are available in ±0.4% FS* accuracy for more demanding applications. Wiring time is reduced with the removeable terminal block. Each unit features a 2-wire 4 to 20 mA output that is fully protected against short circuiting and incorrect wiring.

Series 655A 316 Wet Wet Differential Pressure Transmitter

Product Details:
  • Brand: ALM
  • Accuracy: 90
  • Wetted Parts: SS 304

Series 655A Differential Pressure Transmitters are designed for high static/low DP applications designed especially for the End Users and OEM's where extreme overpressure and high performance of 0.25% accuracy and stability are required at ranges down to 3" w.c.

Every 655A Series is built using advanced manufacturing techniques to ensure symmetry between the HI and LO ports. Symmetry, along with automated welding procedures give these differential pressure transmitters excellent performance and reliability over time at high elevated line pressure. Each unit includes a 6-point NIST certificate of calibration which demonstrates the unit's high level of performance.

The 655A Series transmitter pressure ports that are all welded 316 SS with an O-Ring free design making it ideal for high cyclical applications, capillary filled systems, or applications where a guaranteed leak free system is needed.

Series 668 Differential Pressure Transmitter

Product Details:
  • Brand: ALM

Our low cost Series 668 Differential Pressure Transmitter is capable of measuring low pressures with a ±1% accuracy - ideally suited for proper building pressurization and air flow control. Transmitters can withstand up to 10 psig overpressure with no damage to the unit. Variable capacitance sensor design provides excellent sensitivity and long-term stability. Compact, lightweight design makes installation simple and easy. Units also feature reverse-polarity protection.

Product Applications

  • Compact housing ideal for variable air volume systems.
  • Bi-directional ranges suited to measure building pressures.

Series 677B Differential Pressure Transmitter

Product Details:
  • Brand: ALM

Series 677B Differential Pressure Transmitters are designed to measure pressures as low as 0.1 in w.c. with ±0.4% accuracy. Use Series 677B for building energy management systems, environmental pollution control, oven pressurization, lab and fume hood control, HVAC and VAV applications. The transmitter features 15 psid overpressure, reverse polarity protection and EMI/RFI protection. Internal regulation permits use with unregulated DC power supplies. The NEMA 4 housing allows for versatile mounting locations and integral mounting tabs simplify installation.

Series AT2605 ATEX Approved 605 Differential Pressure Transmitter

Product Details:
  • Brand: ALM
  • Wetted Parts: SS 304

The ATEX approved Series AT2605 Indicating Transmitter provides for both visual monitoring and electronic control of very low differential pressure in hazardous locations. The easily read dial gage is complimented by the two-wire, 4 to 20 mA control signal utilizing the time-proven Dwyer® Magnehelic® gage mechanical design and Series 600 transmitter technology. The two-wire design simplifies any 4 to 20 mA control loop powered by a 10 to 35 VDC supply. Flame-proof ATEX enclosures are available in aluminum and can include a glass window for viewing process pressure on gage face.

Important notes for installation:

  • Cables must be fitted through 1/2" NPT cable gland or ATEX conduit (not supplied with instrument).
  • Make sure after cabling to close tight cover and cable gland, in order to keep IP66 rating (IP65 with option OPV, overpressure relief valve).
  • Open cover only after de-energizing instrument.
  • Attention: Check local safety rules and warnings on unit and manual for a correct use of the instrument in hazardous area.

Series DCGII Digital Calibration Pressure Gage

Product Details:
  • Brand: ALM

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.

Product Applications

  • Field gage calibration, permanent installation, burst disc testing, torque data logging, pressure regulator testing and hydrostatic leak testing.

Series DM-2000 Differential Pressure Transmitter

Product Details:
  • Brand: ALM

The Dwyer Series DM-2000 Differential Pressure Transmitter senses the pressure of air and compatible gases and sends a standard 4-20 mA output signal. The DM-2000 housing is specifically designed to mount in the same diameter cutout as a standard Magnehelic® gage. A wide range of models are available factory calibrated to specific ranges.

Pressure connections are inherent to the glass filled plastic molded housing making installation quick and easy. Digital push-button zero and span simplify calibration over typical turn-potentiometers. An optional 3.5 digit LCD shows process and engineering units. A single bush button allows field selection of 4 to 6 engineering units depending on range.

Product Applications

  • Filter monitoring.
  • Fan pressure indication.
  • Duct static pressures.
  • Bi-direction ranges ideal for sensing fluctuating building pressure.

Series DPG Digital Pressure Gage

Product Details:
  • Brand: ALM

Replace your outdated analog gages with the new Series DPG Digital Pressure Gage. The Series DPG has 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.

Series DPGA & DPGW Digital Pressure Gage

Product Details:
  • Brand: ALM

Series DPGA & DPGW Digital Pressure Gage with 1% Accuracy

 

The Series DPGA is the only economic digital pressure gage with selectable engineering units on the market. With its 1% accuracy and digital push-button zero, the DPGA is the perfect choice for digitally monitoring the pressures of air and compatible gases.

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 the pressures of air and compatible liquids and gases.

Product Applications

Ideal for checking process pressure at system startup

Series DPGAB & DPGWB 0.5% Digital Pressure Gage

Product Details:
  • Brand: ALM

The Series DPGWB/DPGAB pressure gages offer 0.5% full scale accuracy in a rugged, easy-to-use unit at prices comparable to mechanical gages. The DPGWB stainless steel wetted material makes it suitable for a wide variety of liquids or gases. The gages feature user-selectable units of measure allowing one gage to be used for a variety of pressure scales. The DPGWB/DPGAB come with a protective rubber boot to protect against short drops and rough handling.

Product Applications

Ideal for checking line pressures at system startup

Series DX Wet/Wet Differential Pressure Switch

The Series DX is a differential pressure switch that makes a contact output based on the differential between two pressure sources. Wetted materials of brass and flouroelastomer are suitable for use with most gases and water based solutions. The switch can be used for low differential pressure indication with set point on a decrease of pressure as low as 1 psid (0.07 bar). Differential set point ranges are available from 2.5 to 75 psid (0.17 to 5.17 bar) on increasing differential pressure and 1.0 to 67 psid (0.07 to 4.62 bar) on decreasing differential pressure. Unit features a high static pressure rating of 200 psig (13.8 bar) for higher static pressure applications. Standard is a weatherproof, UL type 4X, enclosure for dust laden, outdoor, or wash-down installation environments. Series DX incorporates an externally adjustable set point, integral mounting flange and a removable electrical terminal block for quick and easy installation. The DX uses opposing diaphragms to sense the high and low pressure with a pivot mechanism that transfers the difference of the two pressures to the SPDT switch.

Product Applications

Indicating filter differential pressure. For example initiating water filter backwash as the filter becomes clogged on increasing differential pressure.Proof of flow indicator monitoring differential pressure from a sensing device. For example sensing the pressure across an orifice plate to prove water flow.Proving flow through a pump by sensing the pressure across the pump to make sure the pump does not run dry.Proving flow through a chiller. Often called evaporator water pressure drop.Proving flow through a heat pump or AC unit. Often called a condenser water lock-out switch.

Series H3 Explosion-Proof Differential Pressure Switch

Explosion-proof, heavy duty, industrial unit has a unique new design which provides sensitivity to differential pressures as low as 10 inches of water (254 mm w.c.), yet handles total pressure of 1500 psi (103 bar). Unlike common differential pressure switches that use a piston-type motion transfer, the Series H3 utilizes a rotary motion transfer shaft that prevents a change in total pressure from causing a setpoint shift. Unit yields deadbands approximately 5% of range, with zero setpoint shift due to variation in working pressures. Friction is minimized and repeatability increased by allowing range spring to act directly on diaphragm plate. Rolling diaphragm design maintains constant effective area to further reduce friction. Diaphragm is allowed to "seat", allowing application of full rated pressure, up to 1500 psi (103 bar), on either high or low pressure port, without damage. Special over-travel feature prevents overtightening of range adjust screw. Choose optional 316SS chamber for water and water-based fluids or harsher applications.

Product Applications

  • Water flow proving with an orifice plate.
  • Differential pressure across chiller.
  • Liquid filter status.
  • Perfect for monitoring differential water pressure on filters, chiller coils, and flow elements.

Series SG1 1.5" Stainless Steel Industrial Pressure Gage

Product Details:
  • Brand: ALM
  • Motor Horsepower: 20 - 140 HP
  • Maximum Discharge Flow: Less than 100 LPM, 100 - 500 LPM, 501-1000 LPM, 1001 - 5000 LPM, Greater than 5000 LPM
  • Discharge Outlet Size: Less than 25 mm, 25 to 50 mm, 150 & above
  • Motor Phase: Single Phase
  • Installation/After Sales Service: Yes
  • Power Source: Electric
  • Type: Borewell, Water Filled, Electric, Portable
  • Warranty: 24 months
  • Usage/Application: Industrial

The Series SG1 Gages are perfect for applications where resistance to corrosion is necessary. The stainless steel case and ring offer excellent protection from harsh processes. The SG1 gages are an economical choice where ambient corrosion and vibration are a concern. Gages are suitable for all fluids that are compatible with brass and bronze, and are available with bottom or back connections.

Series SG3 1.5" Stainless Steel Industrial Pressure Gage

Product Details:
  • Brand: Kirloskar
  • Motor Horsepower: Less than 1 HP, 20 - 140 HP
  • Maximum Discharge Flow: Less than 100 LPM, 1001 - 5000 LPM
  • Maximum Head: Less than 15 m, 101 to 300 m
  • Discharge Outlet Size: Less than 25 mm, 101 to 150 mm
  • Motor Phase: Single Phase
  • Installation/After Sales Service: Yes
  • Type: Electric
  • Warranty: 24 months
  • Usage/Application: Domestic, Sewage

The Series SG3 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.

Series SG5 Contractor Gage

Product Details:
  • Brand: ALM

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.

Series SGO Stainless Steel Schaeffer Gage

Product Details:
  • Brand: ALM

The Series SGO Gages have dual English/metric scales with ±1.6% full scale accuracy. The Series SGO gages are designed with 304 SS housing, a 316L SS chamber and PTFE coated diaphragm for excellent chemical compatibility. Units can withstand ambient temperatures up to 149°F (65°C) and process temperatures up to 248°F (120°C). Ranges are available from full vacuum, compound to 300 psi.

Product Applications:

  • Chemical
  • Refinery
  • Fertilizer
  • Petrochemical
  • Power
  • Pharmaceutical
  • Pulp and PaperCement

Series SGP Stainless Steel Low Pressure Schaeffer Gage

Product Details:
  • Brand: ALM

The Series SGP Gages have dual English/metric scales with ±1.6% full scale accuracy. The Series SGP gages are designed with 304 SS housings, a 316L SS chamber and a 316 SS diaphragm for excellent chemical compatibility. Units can withstand ambient temperatures up to 149°F (65°C) and process temperatures up to 248°F (120°C). Ranges of vacuum, compound and pressures to 235" w.c. are available.

Product Applications:

  • Chemical
  • Refinery
  • Fertilizer
  • Petrochemical
  • PowerPharmaceutical
  • Pulp and PaperCement

Series SGX & SGF Stainless Steel Low Pressure Gage

Product Details:
  • Brand: ALM

The Series SGX/SGF Gages have dual English/metric scales with ±1.6% full scale accuracy. The Series SGX/SGF gages are designed with 304 SS housings and brass or 316 SS wetted parts. Units can withstand ambient temperatures up to 149°F (65°C) and process temperatures up to 212°F (100°C). Ranges of vacuum, compound and pressures to 235" w.c. are available. Included on the dial is a convenient zero adjustment screw which allows the user to easily re-zero the needle.

Product Applications:

  • Pneumatic
  • Draft Measurement
  • Filter Monitoring
  • Liquid Level

Series SGY 2.5" Stainless Steel Industrial Pressure Gage

Product Details:
  • Capacity: 0-20 L, 20-100 L, 500-1000 L, 1000-10000L
  • Max Design Pressure: 0-10 bar, 10-15 bar, 20-30 bar, 30-40 bar
  • Material: Stainless Steel
  • Features: Verical Orientation

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.

Product Applications:

  • Vacuums in pneumatic conveying lines.
  • Positive pressure in compressed air headers

Series SGZ 2.5" Stainless Steel Industrial Pressure Gage

Product Details:
  • Capacity: 0-20 L, 20-100 L, 500-1000 L, 1000-10000L
  • Max Design Pressure: 0-10 bar, 20-30 bar
  • Material: Stainless Steel
  • Features: High Temperature Resistance

The Series SGZ 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.

Series TRI2 Tridicator Gage

Product Details:
  • Brand: ALM

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.

Series UGJ Utility Gage

The Series UGJ Utility Gages possess dual psi and bar (x100 kPa) scales with 2.5% accuracy. The 2" UGJ gages are designed with black steel housings. Wetted parts include a brass socket and phosphor bronze tube. A wide offering of ranges are available from full vacuum to 300 psi.

Series UGK 2.5" Utility Pressure Gage

Product Details:
  • Brand: ALM
  • Accuracy: 90
  • Wetted Parts: SS 304

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.

Series WDG Weatherproof Digital Pressure Gage

Product Details:
  • Brand: ALM
  • Accuracy: 90
  • Wetted Parts: SS 304

The Series WDG Weatherproof Digital Pressure Gage measures gas and liquid pressure with high accuracy at an affordable price. It’s rugged weatherproof design stands up to outdoor and industrial environments. The 4-digit backlit display with four selectable units makes readings easily visible to prevent reading errors. The WDG comes with 304L stainless steel wetted material for a wide range of compatible liquids and gases.

Series WWDP Differential Pressure Transmitter

Product Details:
  • Brand: ALM

The Series WWDP Wet-to-Wet Differential Pressure Transmitter offers everything in one package by having 30 field selectable variations in just 3 models. The WWDP provides field selectable unidirectional and bidirectional pressure ranges, configurable 0-5, 1-5, 0-10 VDC, and 4 to 20 mA output. It also provides an auto-zero capability. The field selectable port swap feature eliminates costly replumbing if the unit is improperly installed or if the transmitter is simply replaced. An optional LCD display is available for on-sight indication of line and differential pressure. The all cast aluminum housing is rated NEMA 4 (IP66). These features make the WWDP transmitter an ideal instrument for measuring the flow of various liquids and gases, pressure drop across filters, measurement of liquid level or pressurized vessels, and for use in energy management and process control systems.

Product Applications

  • Monitor differential pressure of a chiller
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