40 psi Pressure Gauges | McMaster-Carr

Filter by

Connection Location

System of Measurement

Pipe Size

For Use With

Pharmaceuticals

Solid Particles

Dial Diameter

Dial Type

Thread Type

UN/UNF (SAE 45°)

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

Pressure Numeric Increments

Measurement Unit

Centimeters of Mercury

Feet per Minute

Inches of Mercury

Inches of Water

Kilograms per Square Centimeter

Scale Type

Measures

Differential Pressure

Differential Vacuum

Static Pressure Drop

Case Material

Stainless Steel

Graduations

0.005 in. H₂O

Maximum Continuous Pressure

Display Type

Gender

Fitting Connection

Push to Connect

Quick Disconnect

Connection Material

Stainless Steel

Connects To

Lens Material

Polyurethane Rubber

Mounting Position

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

6,797 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

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

Differential Pressure Gauges

Differential Pressure Gauges

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

Pressure Transmitters

Pressure Transmitters

Send pressure readings to controllers and remote displays

Gauge Siphon Tubes

Gauge Siphon Tubes

Fill with water to protect dry gauges from steam and high-temperature liquids; also called pigtails

Differential Pressure and Vacuum Gauges

Differential Pressure and Vacuum Gauges

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

Pressure and Vacuum Transmitters

Pressure and Vacuum Transmitters

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

Pressure Indicators

Pressure Indicators

Turn green when your compressed air line reaches a certain psi

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

Differential Pressure Sensors

Differential Pressure Sensors

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

Vacuum Transmitters

Vacuum Transmitters

Transfer vacuum measurements to remote displays and controllers

Pitot Tubes

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

Pressure-Regulating Valves

Pressure-Regulating Valves

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

Pressure Test Fittings

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

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

Vacuum Pumps

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

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

Flow Transmitters

Flow Transmitters

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

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

Barometers

Measure atmospheric pressure changes

Refrigerant Pressure Testing Manifolds

Refrigerant Pressure Testing Manifolds

Monitor refrigerant pressure when servicing air conditioning systems

Compression Testers

Compression Testers

Check engine compression to maintain top performance

Paper Pressure Analyzers

Paper Pressure Analyzers

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

Fuel Injection Pressure Testers

Fuel Injection Pressure Testers

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

Pressure Paper

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

Wristwatches

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

Force Gauges

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

Force Gauge Grips

Force Gauge Grips

Pair with force gauges to test wire, pins, and thin sheets

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

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

Power Transmission

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

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.)