Transmitters | McMaster-Carr

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5,418 Products

Fluid Handling

Pressure Transmitters

Pressure Transmitters

Send pressure readings to controllers and remote displays

Thermocouples

Measure and transmit liquid, gas, and surface temperature

RTD Transmitters

RTD Transmitters

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

RTDs

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

Noncontact Temperature Sensors

Noncontact Temperature Sensors

Monitor the temperature of hazardous, sensitive, and hard-to-reach materials without touching them

Flow Transmitters

Flow Transmitters

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

Liquid-Level Transmitters

Liquid-Level Transmitters

Send liquid-level data to logging and monitoring equipment

Electrical

Sensor Switches

Sensor Switches

Detect moving objects from a distance, triggering a circuit to open or close

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

Rotary Encoders

Rotary Encoders

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

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

Linear Motion Position-Measuring Transmitters

Linear Motion Position-Measuring Transmitters

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

Switch Mounts

Mount sensor switches to panel cutouts, tank walls, or conveyors

Ethernet Switches

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

Motor Speed Controls

Motor Speed Controls

Manage the speed of AC and DC motors

Light Switches

Manually turn lights on and off

Conductivity Controllers

Conductivity Controllers

Turn pumps, mixers, and valves on and off based on a solution’s conductivity

Multifunction Chemistry Controllers

Multifunction Chemistry Controllers

Use pH or oxidation reduction potential (ORP) levels to turn equipment on or off

Development Board Sensor Modules

Development Board Sensor Modules

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

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Electrical Plugs

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

Electrical Receptacles

Electrical Receptacles

Install in a wall or panel to transmit power or data to plugs or sockets

Electrical Adapters

Electrical Adapters

Change electrical connectors to another type, size, or gender

Electrical Sockets

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

Patch Panels

Expand and reconfigure a data network when space inside your enclosure is limited

Wire Splices

Join wire and protect the connection

Electrical Cord Reels

Electrical Cord Reels

Neatly store electrical cords for easy access

Data Connection Hubs

Data Connection Hubs

Add USB ports to a computer to connect more devices

Development Board Cords

Development Board Cords

Connect your development board to components such as sensors and actuators

Electrical Cable

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

Thermistor Sensors

Thermistor Sensors

Pair with temperature controllers to check the temperature of devices and maintain ideal conditions

Battery Chargers

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

Telephone Wiring Blocks

Telephone Wiring Blocks

Keep telephone cable organized and accessible

Power Over Ethernet Injectors

Power Over Ethernet Injectors

Power devices such as routers and wireless access points in areas lacking a power outlet

Building and Machinery Hardware

Garage Door Opener Transmitters

Garage Door Opener Transmitters

Send signals to receivers to open and close automatic overhead door openers

Garage Door Opener Receivers

Garage Door Opener Receivers

Wire to automatic overhead door openers to accept signals from remote and keypad transmitters

Measuring and Inspecting

SPC Wireless Transmitters

SPC Wireless Transmitters

Send data from measuring tools with SPC output to a wireless receiver

Cords for Measuring Tool Data Processors

Cords for Measuring Tool Data Processors

Connect measuring tools with SPC output to a processor for uploading data

Air Particle Counters

Air Particle Counters

Monitor indoor dust levels and measure filter efficiency in HVAC systems

Chemistry Meters

Chemistry Meters

Take water-chemistry measurements more precisely than test strips and swabs

Thermometers

Monitor temperature in tanks, pipes, control panels, and other equipment

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

Position Indicators

Position Indicators

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

Load Cell Displays

Load Cell Displays

Connect to load cells to view weight measurements

Load Cell Junction Boxes

Load Cell Junction Boxes

Join multiple load cells to combine their weight measurements

Inertial Measurement Units

Inertial Measurement Units

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

Communication

Antennas

Mount on the outside of a vehicle for better radio reception

Radios

Everything from walkie talkies to CB and AM/FM radios

Telephone Connectors

Telephone Connectors

Replace the plug on your phone cord, or extend your line by connecting cords together

Telephone Cord Splitters

Telephone Cord Splitters

Connect multiple phone lines to a single telephone jack

Telephone Cords

Telephone Cords

Connect telephones to data outlets

Display Screens

Display Screens

Display text, numbers, symbols, and other information from your electronics

Material Handling

Jacks

Lift, hold, push, and position heavy objects

Robot Teach Pendant Cords

Robot Teach Pendant Cords

Replace the cord that connects robot controllers to teach pendants

Robot Controller Cords

Robot Controller Cords

Extend the distance between FANUC CRX robot arms and their controllers

Lighting

Light Transmitters

Light Transmitters

Light up small and hard-to-reach areas such as the inside of models, prototypes, and circuit boards

Light Pipes

Concentrate and direct light from the bulb on a circuit board to a display

Heating, Ventilation, and Air Conditioning

HVAC Flame Detectors

HVAC Flame Detectors

Replace flame detectors in HVAC equipment such as furnaces, ovens, water heaters, and boilers

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