Air Pressure Gauges | McMaster-Carr

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Connection Location

System of Measurement

Pipe Size

For Use With

Alcohol-Based Solvents

Depth Micrometers

Grease Fittings

Large-Cell Batteries

Liquid Insecticides

Liquids with Solids

Molex Micro-Fit 3.0

Outside Micrometers

Printed Circuit Boards

RTD Connection Heads

Solid Particles

Stems with Clamping Nut

Thermocouple Connection Heads

Acetic Acid (White Vinegar)

Ammonium Hydroxide

Argon/Carbon Dioxide Blend

Deionized Water

Ethylene Glycol

Hydraulic Fluid

Hydraulic Fluid (Petroleum Based)

Hydrochloric Acid

Isopropyl Alcohol

Methyl Chloride

Phosphoric Acid

Salt Water (Calcium Chloride)

Salt Water (Sodium Chloride)

Sodium Bicarbonate (Baking Soda)

Sodium Hydroxide (Caustic Soda)

Sodium Hypochlorite (Bleach)

Sugar Water (Sucrose)

Titanium Silicate

Dial Diameter

Maximum Pressure

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

20,000 psi or greater

Less than 10,000 kPa

10,000 kPa to 19,999 kPa

20,000 kPa to 29,999 kPa

30,000 kPa to 99,999 kPa

100,000 kPa or greater

Dial Type

Thread Type

Pressure Numeric Increments

Measurement Unit

Centimeters of Mercury

Inches of Mercury

Inches of Water

Kilograms per Square Centimeter

Millimeters of Mercury

Ounces per Square Inch

Pounds per Square Inch

Scale Type

Measures

Ambient Temperature

Black Globe Temperature

Differential Pressure

Differential Vacuum

Heat Stress Index

Relative Humidity

Static Pressure Drop

Wet Bulb Temperature

Graduations

0.005 in. H₂O

Case Material

Stainless Steel

Maximum Continuous Pressure

Display Type

Gender

Fitting Connection

Push to Connect

Connection Material

Stainless Steel

Material

Magnesium Oxide

Stainless Steel

Connects To

Lens Material

Polyurethane Rubber

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

5,210 Products

Fluid Handling

Pressure Gauges

Pressure Gauges

Measure pressure in pumps, filters, regulators, and process lines

Pressure and Vacuum Gauges

Pressure and Vacuum Gauges

Measure pressure and vacuum in air and fluid lines, pumps, and refrigeration systems

Vacuum Gauges

Take vacuum readings in pumps, packaging equipment, and suction lines

Pressure Test Gauges

Pressure Test Gauges

Check and calibrate pressure gauges, transmitters, and equipment to maintain accuracy

Differential Pressure Gauges

Differential Pressure Gauges

Display the difference in pressure between two points in your air and fluid systems

Differential Pressure and Vacuum Gauges

Differential Pressure and Vacuum Gauges

Show changes in pressure and vacuum to monitor fans, blowers, and filters

Pressure Transmitters

Pressure Transmitters

Send pressure readings to controllers and remote displays

Pressure and Vacuum Transmitters

Pressure and Vacuum Transmitters

Convert pressure and vacuum measurements into a signal sent to remote displays and controllers

Differential Pressure Transmitters

Differential Pressure Transmitters

Relay pressure changes in heating, cooling, and pumping systems to controllers and remote displays

Vacuum Test Gauges

Vacuum Test Gauges

Verify that equipment is taking accurate vacuum measurements

Vacuum Transmitters

Vacuum Transmitters

Transfer vacuum measurements to remote displays and controllers

Pressure Indicators

Pressure Indicators

Turn green when your compressed air line reaches a certain psi

Differential Pressure Sensors

Differential Pressure Sensors

Attach to gauges and switches to detect static pressure changes in air-handling equipment

Pitot Tubes

Connect to gauges to measure air flow in filters, cooling coils, and other air-handling equipment

Sights

Observe and monitor the contents of pipes, tanks, and other containers

Flow Sights

Visually confirm flow and inspect liquid color and clarity

Thermocouples

Measure and transmit liquid, gas, and surface temperature

RTDs

Measure and transmit liquid, gas, and surface temperature more precisely than thermocouples

Vacuum Pumps

Create suction force to move objects, draw liquids and gases, or generate flow

Pressure-Regulating Valves

Pressure-Regulating Valves

Reduce inlet pressure to a lower outlet pressure to protect sensitive equipment

Safety Equipment

Heat Stress Monitors

Heat Stress Monitors

Measure temperature, humidity, and radiant heat to keep people safe from heat-related hazards

Measuring and Inspecting

Thermometers

Monitor temperature in tanks, pipes, control panels, and other equipment

Data Recorders

Log temperature, humidity, or pressure levels to track changes and troubleshoot your system

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)