UL Listed Flowmeters | McMaster-Carr

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69 Products

Flow Transmitters

Contactless Flow Transmitters

Measure and transmit flow rate from outside your pipe with ultrasonic waves

1 product

High-Accuracy Flow and Temperature Transmitters

Use a magnetic field to measure flow rate and temperature with high accuracy

5 products

Flow and Temperature Transmitters

Send flow rate and temperature measurements simultaneously

8 products

Flow, Pressure, and Temperature Transmitters for Gases

Transmit flow rate, pressure, and temperature of industrial gases

2 products

Flow Transmitters with Sight

Visually confirm that liquid is flowing

8 products

Flow Transmitters

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

4 products

Insertion-Mount Flow and Temperature Transmitters

Install through a ring fitting in pipe too large for inline transmitters
Send flow rate and temperature measurements simultaneously

4 products

Other Products

Flow Switches

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

26 products

HVAC Switches

Control and monitor airflow in HVAC systems automatically

3 products

Flowmeters

Measure the flow rate of a liquid or gas

1 product