Flowmeters | McMaster-Carr

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1,573 Products

Fluid Handling

Flowmeters

Measure the flow rate of a liquid or gas

Flow Transmitters

Flow Transmitters

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

Flow Sights

Visually confirm flow and inspect liquid color and clarity

Pressure-Regulating Valves

Pressure-Regulating Valves

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

Flow Switches

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

Measuring and Inspecting

Calibration Columns

Calibration Columns

Calibrate the flow rate of metering pumps

Airflow Meters

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

Electrical

Development Board Sensor Modules

Development Board Sensor Modules

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

Heating, Ventilation, and Air Conditioning

HVAC Switches

Control and monitor airflow in HVAC systems automatically

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