Transducers | McMaster-Carr

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1,824 Products

Fluid Handling

Pressure Transmitters

Send pressure readings to controllers and remote displays

365 products

Pressure and Vacuum Transmitters

Convert pressure and vacuum measurements into a signal sent to remote displays and controllers

98 products

Differential Pressure Transmitters

Relay pressure changes in heating, cooling, and pumping systems to controllers and remote displays

70 products

Vacuum Transmitters

Transfer vacuum measurements to remote displays and controllers

17 products

Pressure Transmitter Displays

Remotely view pressure readings sent from a transmitter

2 products

Liquid-Level Transmitters

Send liquid-level data to logging and monitoring equipment

29 products

Flow Transmitters

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

84 products

RTDs

Measure and transmit liquid, gas, and surface temperature more precisely than thermocouples

144 products

Thermocouple Transmitters

Check system temperatures from your smartphone or tablet

9 products

RTD Transmitters

Send temperature readings from RTD probes in containers, tanks, and pipes to switches and PLCs

10 products

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

1 product

Measuring and Inspecting

Force Gauges

Test objects to see how much tension and compression force they can bear

133 products

Load Cells

Measure forces and send them to computers to monitor and trigger actions in machinery

320 products

Torque Sensors

Convert manually applied torque into an electrical signal that you can measure and record

22 products

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

2 products

Current Detectors

Check for AC current and voltage without making direct contact with wire

1 product

Multimeter Line Splitters

Use with a multimeter to determine current usage of devices without pulling apart their wires

1 product

Current Indicating Rings

Run wire through rings to monitor AC current flow

5 products

Inertial Measurement Units

Mount to robot arms, cranes, and vehicles to accurately track their movements

1 product

Position Indicators

Track components on rotating spindles or lead screws to help adjust machinery quickly and precisely

20 products

Electrical Power, Networking, and Controlling

Development Board Sensor Modules

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

17 products

Linear Motion Position-Measuring Transmitters

Measure the position of an object moving in a straight line; also known as string pots

10 products

Rotary Encoders

Track the distance, direction, and speed of travel of motor shafts, conveyors, and wheels

34 products

Cylinder Position Sensors

Monitor your air cylinder rod's position and turn the cylinder on and off

8 products

Ultrasonic Sensors

Measure the distance to objects and the level of liquids and materials

8 products

Photoelectric Sensors

Detect objects from longer distances than proximity and ultrasonic sensors

263 products

Monitoring Relays

Trip circuits or sound an alarm when voltage, current, or other limits are exceeded

31 products

Voltage Conditioners

Reduce high AC voltage and create an output signal for electrical measuring equipment

6 products

Current Conditioners

Lower current flows to levels that work with panel monitors and other electrical measuring equipment

33 products

Power Transmission

Compressed Air Regulators

Ensure continuous, safe operation of air-powered equipment by controlling air pressure

40 products

Compressed Air Filter/Regulators

Simultaneously clean air that's running through a system and control its pressure

6 products