Metric Pressure Gauges | McMaster-Carr

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System of Measurement

Thread Type

Connection Location

Pressure Numeric Increments

Pipe Size

Measurement Unit

Pounds per Square Inch

For Use With

Hydraulic Fluid (Petroleum Based)

Dial Type

Scale Type

Maximum Pressure

10,000 kPa to 19,999 kPa

20,000 kPa to 29,999 kPa

30,000 kPa to 99,999 kPa

Less than 1,000 psi

1,000 psi to 1,999.9 psi

2,000 psi to 9,999.9 psi

10,000 psi to 19,999.9 psi

Dial Diameter

1 5/8"

2 1/2"

Measures

Compression

Differential Pressure

Display Type

Maximum Continuous Pressure

Gender

Fitting Connection

Case Material

Mounting Position

Connects To

Shape

Material

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

Exempt

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294 Products

About Air Preparation

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.

Vibration-Resistant Pressure Gauges

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

Absolute Pressure Gauges

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

Flush-Mount Pressure Transmitters

The diaphragm on these transmitters mounts flush with your system’s connection, leaving no room for thick liquids to clog or harden. They’re often used to monitor pressure in wastewater, paint, and adhesive-dispensing applications.

Pressure and Vacuum
Transmitters with Digital Display

Monitor and control vacuum pumps, air compressors, and hydraulics while viewing readings and warnings on the display.

Differential Pressure Transmitters
with Digital Display for Air

With a digital display and selectable differential pressure ranges, these transmitters are a versatile alternative to transmitters with dial indicators.

Pressure Test Fittings

Check pressure without permanently installing a gauge.

Clean Room Pressure-Regulating
Valves for Water, Air, and Inert Gas

To maintain contaminant-free standards in clean room environments, these valves come cleaned and bagged to Fed. Std. Class 100 and ISO Class 5 clean room standards and have a 316 stainless steel body with a smooth finish to resist dust collection.

Compression Force Sensors for Tight Spaces

Thinner than a credit card, these force sensors fit into narrow spaces to measure the applied load between two surfaces.