Air Pressure Gauges | McMaster-Carr

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5,166 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

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

Differential Pressure Transmitters

Differential Pressure Transmitters

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

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

RTDs

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

Thermocouples

Measure and transmit liquid, gas, and surface temperature

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

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

Safety Equipment

Heat Stress Monitors

Heat Stress Monitors

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

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