Dial Pressure Gauges | McMaster-Carr

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About Pressure Gauges

Pressure Gauges

These are the most commonly used pressure gauges. Use them with pumps, filters, regulators, and in process lines to measure and display pressure.

Miniature Pressure Gauges

The small dial on these gauges allows for installation in tight spaces.

Square Panel-Mount Pressure Gauges

These gauges fit into square cutouts in your instrument panel.

High-Accuracy Low-Pressure Gauges

Measure small pressure changes in ventilation systems, hydraulic applications, and other critical processes.

Large-Dial High-Accuracy Pressure Gauges

Read your pressure from a distance with these large-dial gauges.

High-Accuracy Pressure Gauges for Pumps

Keep tabs on liquid levels in pump and tank applications with these gauges—a dual scale displays pressure in feet of H₂O and psi.

Colored-Case High-Accuracy Pressure Gauges

Gauges come in a variety of colors so you can identify an important spot in your process line.

Vibration-Resistant Pressure Gauges

A liquid-filled dial reduces needle flutter for precise readings in high-vibration applications.

High-Clarity Vibration-Resistant Pressure Gauges

These gauges have a unique case design that eliminates the air bubble on the dial face, which can distort readings. They have a liquid-filled dial that reduces needle flutter for precise readings in high-vibration applications.

Maximum-Indicating
Vibration-Resistant Pressure Gauges

These gauges have a red needle that indicates the highest pressure reached since the last setting. They have a liquid-filled dial that reduces needle flutter for precise readings in high-vibration applications.

Extreme Vibration-Resistant Pressure Gauges

Unlike other gauges that have multiple moving parts that can shake loose, these have only one internal part. They are the most shock-resistant gauges we offer.

Vibration- and Corrosion-Resistant
Pressure Gauges

The case material and connection threads are stainless steel for protection in corrosive environments, plus the dial is glycerin-filled to reduce needle flutter in high-vibration applications.

High-Accuracy Vibration- and
Corrosion-Resistant Pressure Gauges

Gauges have an accuracy of ± 0.5% to ± 1%. They are suitable for critical processes that require high accuracy, such as hydraulic and laboratory applications.

High-Clarity Vibration- and
Corrosion-Resistant Pressure Gauges

These gauges have a unique case design that eliminates the air bubble on the dial face, which can distort readings.

Corrosion-Resistant Pressure Gauges

Gauges have an accuracy of ± 2%.

High-Accuracy Corrosion-Resistant
Pressure Gauges

Gauges have an accuracy of ± 1% to ± 1.5%. They are suitable for critical processes that require high accuracy, such as hydraulic and laboratory applications.

Extreme-Temperature Pressure Gauges

These gauges can withstand both extremely cold and extremely hot temperatures.

Steam Pressure Gauges

Designed for use with boilers, these gauges measure pressure and temperature simultaneously.

Drinking Water Pressure Gauges

Check the pressure on your drinking water system with these gauges—they meet NSF/ANSI Standard 61 for safe use with potable water.

Vibration-Resistant Drinking
Water Pressure Gauges

Clearly read pressure levels in your drinking water system, even with heavy vibration. The dial face is filled with glycerin, which absorbs shock and keeps the needle steady.

Vibration-Resistant Pressure Gauges for Chemicals

These gauges have a liquid-filled dial that reduces needle flutter in high-vibration applications reaching 2,000 psi.

Low-Pressure Gauges for Chemicals

Use in low-pressure applications up to 160 psi.

High-Pressure Gauges for Chemicals

Use in high-pressure applications up to 2,000 psi.

Gas Pressure Gauges

Use these gauges to monitor the pressure of compressed gas.

Food and Beverage Pressure Gauges

These gauges are 3-A certified for sanitary design in dairy and other food processing applications.

Vibration-Resistant Food and
Beverage Pressure Gauges

A liquid-filled dial reduces needle flutter in high-vibration food-processing applications.

Fire-Sprinkler Pressure Gauges

Gauges are UL 393 listed for use with fire-protection service equipment.

Pressure and Vacuum Gauges

Vibration- and Corrosion-Resistant
Pressure and Vacuum Gauges

Designed for harsh environments prone to vibration, these gauges pair a corrosion-resistant 304 stainless steel case with a glycerin-filled dial that reduces needle flutter.

Pressure and Vacuum Gauges

Also known as compound gauges, these measure both pressure and vacuum.

3-in-1 Pressure and Vacuum Gauges

These portable gauges have three different dials to display pressure and vacuum measurements on a low, medium, and high scale.

Corrosion-Resistant Pressure and Vacuum Gauges

A 304 stainless steel case coupled with 316 stainless steel connection threads provide protection from corrosive environments.

Vibration-Resistant Pressure and Vacuum Gauges

A glycerin-filled dial reduces needle flutter for precise readings in high-vibration applications.

Refrigeration Pressure and Vacuum Gauges

Often used with chillers and in refrigeration systems, these gauges display the temperature of ammonia relative to the pressure measurement.

Vacuum Gauges

Use these gauges with vacuum pumps, packaging equipment, and in suction lines to measure and display vacuum.

Vibration- and Corrosion-Resistant Vacuum Gauges

Designed for harsh environments prone to vibration, these gauges pair a corrosion-resistant 304 stainless steel case with a glycerin-filled dial to reduce needle flutter.

Corrosion-Resistant Vacuum Gauges

The case and connection threads are stainless steel for protection in corrosive environments.

Vibration-Resistant Vacuum Gauges

A glycerin-filled dial reduces needle flutter for precise readings in high-vibration applications.

Ultra-Low Vacuum Gauges

Accommodate applications with a vacuum range of -100 in. of H₂O to 0 in. of H₂O.

Differential Pressure Gauges

Low-Pressure Differential Gauges with Dial Indicator

Measure small changes in air pressure with these gauges. They are commonly used to indicate clogged filters and to monitor fans and blowers.

High-Pressure Differential Gauges

Use in high-pressure applications up to 3,000 psi.

Medium-Pressure Differential Gauges

Use in medium-pressure applications up to 1,500 psi.

Differential Pressure and Vacuum Gauges

Commonly used to indicate clogged filters, these gauges display the difference between two pressure or vacuum measurements.

Absolute Pressure Gauges

Unlike other gauges that measure the difference between your system and the atmosphere, these give measurements relative to zero pressure.

Differential Pressure Transmitters with Dial Indicator for Air

Differential Pressure Transmitters
with Dial Indicator for Air

Check the difference in air pressure between two inputs at the source using the dial indicator or remotely using a receiver.

Pressure Testing

Test Gauges for Pressure

Test and calibrate transmitters, gauges, and other equipment that measures pressure.

Vibration-Resistant Test Gauges for Pressure

These gauges have a glycerin-filled dial to reduce needle flutter for precise readings in high-vibration applications.

High-Accuracy Test Gauges for Pressure

With an accuracy of ±0.25%, these gauges are designed for critical processes that require precision.

Corrosion-Resistant Test Gauges for Pressure

All-stainless steel construction makes these gauges suitable for testing and calibrating in corrosive environments.

Test Gauges for Vacuum

Use these gauges to test and calibrate transmitters, gauges, and other equipment that measures vacuum.

Tension Force Gauges for Wire and Filament

Measure the tension of wire and filament without pausing your operation.

Barometers

Measure atmospheric pressure changes in both inches of mercury (Hg) and millibars (mbar).