Pressure Checks | McMaster-Carr

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System of Measurement

Pipe Size

For Use With

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

Thread Type

UN/UNF (SAE 45°)

Connection Location

Measures

Ambient Temperature

Black Globe Temperature

Differential Pressure

Differential Vacuum

Heat Stress Index

Relative Humidity

Static Pressure Drop

Wet Bulb Temperature

Material

Stainless Steel

Measurement Unit

Centimeters of Mercury

Feet per Minute

Inches of Mercury

Inches of Water

Kilograms per Square Centimeter

Kilometers per Hour

Dial Diameter

Inlet Pipe Size

Fitting Connection

Push to Connect

Quick Disconnect

Spec Image

Dial Type

Gender

Maximum Temperature

Less than 100° F

100° F to 149.9° F

150° F to 199.9° F

200° F to 249.9° F

250° F or greater

Display Type

Scale Type

Minimum Pressure

-0.25 in. H₂O

Pressure Numeric Increments

REACH

RoHS

Compliant with Exemptions

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Outlet Pipe Size

Gauge Included

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4,148 Products

Measuring and Inspecting

Tire Gauges

Check tire pressure

Tire Pressure Test Gauges

Tire Pressure Test Gauges

Calibrate the accuracy of tire pressure and tire inflation gauges

Fuel Injection Pressure Testers

Fuel Injection Pressure Testers

Check fuel injection pressure to maintain your car's gas mileage

Pressure Film

Measures pressing forces in equipment by creating an instant, permanent image of pressure variation

Compression Testers

Compression Testers

Check engine compression to maintain top performance

Refrigerant Pressure Testing Manifolds

Refrigerant Pressure Testing Manifolds

Monitor refrigerant pressure when servicing air conditioning systems

Paper Pressure Analyzers

Paper Pressure Analyzers

Take lab-quality scans of pressure recording film for frequent onsite measurements

Wristwatches

Display the time, date, and smart functions on your wrist and keep your hands free

Barometers

Measure atmospheric pressure changes

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

Data Recorders

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

Force Gauges

Test objects to see how much tension and compression force they can bear

Load Cells

Measure forces and send them to computers to monitor and trigger actions in machinery

Load Cell Junction Boxes

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

Fluid Handling

Pressure Transmitters

Pressure Transmitters

Send pressure readings to controllers and remote displays

Pressure Indicators

Pressure Indicators

Turn green when your compressed air line reaches a certain psi

Pressure Gauges

Pressure Gauges

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

Vacuum Test Gauges

Vacuum Test Gauges

Verify that equipment is taking accurate vacuum measurements

Pressure and Vacuum Transmitters

Pressure and Vacuum Transmitters

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

Vacuum Transmitters

Vacuum Transmitters

Transfer vacuum measurements to remote displays and controllers

Differential Pressure and Vacuum Gauges

Differential Pressure and Vacuum Gauges

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

Pressure Test Gauges

Pressure Test Gauges

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

Vacuum Gauges

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

Pressure and Vacuum Gauges

Pressure and Vacuum Gauges

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

Differential Pressure Gauges

Differential Pressure Gauges

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

Pressure Transmitter Displays

Pressure Transmitter Displays

Remotely view pressure readings sent from a transmitter

Differential Pressure Transmitters

Differential Pressure Transmitters

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

Differential Pressure Sensors

Differential Pressure Sensors

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

Test Pumps

Force air or liquid through your system to look for leaks; often called hydrostatic test pumps

Vacuum Pumps

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

Hydraulic Accumulator Charging and Gauging Kits

Hydraulic Accumulator Charging and Gauging Kits

Fill accumulators with nitrogen and test the pressure to ensure it’s within the correct range

Pressure-Regulating Valves

Pressure-Regulating Valves

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

Flow Transmitters

Flow Transmitters

Send flow rate measurements to PLCs, data loggers, and remote displays

Power Transmission

Compressed Air Filter/Regulators

Compressed Air Filter/Regulators

Simultaneously clean air that's running through a system and control its pressure

Compressed Air Regulators

Compressed Air Regulators

Ensure continuous, safe operation of air-powered equipment by controlling air pressure

Compressed Air Regulator Manifolds

Compressed Air Regulator Manifolds

Use a single air supply to meet multiple pressure requirements

Safety Equipment

Heat Stress Monitors

Heat Stress Monitors

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

Blood Pressure Monitors

Blood Pressure Monitors

Take and store precise blood pressure and pulse rate readings

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