Manometers | McMaster-Carr

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For Use With

Hydraulic Fluid

Measurement Unit

Inches of Mercury

Inches of Water

Pounds per Square Inch

Measures

Differential Pressure

Differential Vacuum

Relative Humidity

Static Pressure Drop

Display Type

System of Measurement

Maximum Pressure

Less than 500 psi

500 psi to 999 psi

1,000 psi to 2,999 psi

3,000 psi to 3,999 psi

4,000 psi or greater

Fitting Connection

Spec Image

Pressure Numeric Increments

Connects To

Maximum Pressure Differential

Connection Material

Hastelloy Nickel

Stainless Steel

Pipe Size

Indicating Liquid Color

REACH

Graduations

0.005 in. H₂O

Pressure Scale Range

4-0-4 In. of H₂O

5-0-5 In. of H₂O

6-0-6 In. of H₂O

7-0-7 In. of H₂O

8-0-8 In. of H₂O

10-0-10 In. of H₂O

12-0-12 In. of H₂O

15-0-15 In. of H₂O

18-0-18 In. of H₂O

24-0-24 in of H₂O

30-0-30 In. of H₂O

36-0-36 In. of H₂O

Gender

Maximum Temperature

Less than 125° F

125° F to 149° F

150° F to 174° F

175° F to 199° F

200° F or greater

Case Material

316 Stainless Steel

Glass-Filled Nylon

Export Control Classification Number (ECCN)

Minimum Temperature

Height

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Tube ID

1/8" to 0.1875"

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258 Products

Fluid Handling

Differential Pressure Gauges

Differential Pressure Gauges

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

Gauge Liquids

Refill the liquid indicator on gauges with a U-tube

Differential Pressure and Vacuum Gauges

Differential Pressure and Vacuum Gauges

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

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

Pitot Tubes

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

Differential Pressure Switches

Differential Pressure Switches

Activate controls and alarms when the pressure difference between process lines exceeds a setpoint

Measuring and Inspecting

Airflow Meters

Measure airflow in duct, air filters, exhaust hoods, and other air applications

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