Water Column Gauges | McMaster-Carr

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Pressure Numeric Increments

Measurement Unit

Pounds per Square Inch

For Use With

Measures

Differential Pressure

Display Type

Graduations

Fitting Connection

Pressure Scale Range

Maximum Pressure

Less than 100 in. H₂O

100 in. H₂O to 249 in. H₂O

250 in. H₂O to 499 in. H₂O

500 in. H₂O to 999 in. H₂O

1,000 in. H₂O or greater

Connects To

Minimum Pressure

Pipe Size

Minimum Process Temperature

Maximum Temperature

Connection Material

Lens Material

Maximum Process Temperature

Material

REACH

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Exempt

RoHS

Compliant

Not Compliant

Minimum Environment Temperature

20° F

35° F

Not Rated

Maximum Environment Temperature

Gender

Indicating Liquid Color

102 Products

Fluid Handling

Differential Pressure Gauges

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

63 products

Gauge Liquids

Refill the liquid indicator on gauges with a U-tube

5 products

Differential Pressure and Vacuum Gauges

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

8 products

Differential Pressure Sensors

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

5 products