400 PSI 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.

Large-Dial High-Accuracy Pressure Gauges

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

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.

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.

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-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.