Flowmeters | McMaster-Carr

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Standard Cubic Feet per Hour

Standard Cubic Feet per Minute

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Export Control Classification Number (ECCN)

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1,568 Products

Fluid Handling

Flowmeters

Measure the flow rate of a liquid or gas

1,012 products

Flow Transmitters

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

84 products

Flow Sights

Visually confirm flow and inspect liquid color and clarity

152 products

Pressure-Regulating Valves

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

18 products

Flow Switches

Turn equipment on or off when flow rate reaches a set point

171 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

2 products

Measuring and Inspecting

Calibration Columns

Calibrate the flow rate of metering pumps

14 products

Airflow Meters

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

20 products

Electrical

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

1 product

Heating, Ventilation, and Air Conditioning

HVAC Switches

Control and monitor airflow in HVAC systems automatically

3 products