PT100 Probe | McMaster-Carr

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134 Products

About Selecting Temperature Sensors

Threaded RTD Probes for Liquids and Gases

With an NPT male probe connection, these RTDs are ready to install in thermowells and other fittings on pipe and tanks.

Threaded RTD Probes with
Thermowell for Liquids and Gases

To protect against vibration and shock during temperature measurements, these RTD probes come with a thermowell. Made of stainless steel, it acts as a shield for added protection from corrosion in liquids and gases.

Dual-Output Threaded RTD
Probes for Liquids and Gases

Send temperature readings to two separate devices--these probes have two RTD sensors inside.

RTD Probes with Armored
Cable for Liquids and Gases

For long service life in harsh conditions, these RTD probes have an armored stainless steel cable to protect wiring from corrosion, abrasion, and impact.

Cut-to-Length RTD Probes for Liquids and Gases

For a perfect fit in a thermowell, trim these probes with a pipe cutter.

Dual-Output Cut-to-Length RTD
Probes for Liquids and Gases

Output temperature readings to two devices, or take an average temperature reading from two separate locations.

RTD Probes for Liquids and Gases

Obtain more precise and reliable liquid and gas temperature measurements than thermocouple probes.

Bolt-On RTD Probes for Surfaces

For reliable temperature readings in high-vibration environments, these RTD probes bolt onto the surface of motors and other equipment.

Threaded RTD Probes for Surfaces

Thread these RTD probes into threaded holes in molds, dies, and other objects to measure their temperature.

Adhesive-Back RTD Probes for Surfaces

About the thickness of a dime, these RTD probes stick to surfaces in tight spaces to measure temperature.

Signal-Averaging Adhesive-Back
RTD Probes for Surfaces

Measure the temperature of cylinders, pipes, and flat surfaces without installing an immersion probe and where a point sensor may be inaccurate.

RTD Probes for Air

Use these RTD probes for more stable air-temperature readings than thermocouple probes.

Sanitary RTD Probes for Liquids and Gases

Designed for clean-in-place applications such as dairy processing and food-preparation areas, these 3-A certified RTDs have a sanitary quick-clamp probe connection for easy removal.

Threaded RTD Probe Transmitters
for Liquids and Gases

Send temperature readings directly to programmable logic controllers (PLCs)—with a built-in 4-20mA transmitter, these RTDs don’t require a separate signal converter. They’re threaded, so they’re ready to install into containers, tanks, and pipes.

Sanitary RTD Probe Transmitters with
Digital Display for Liquids and Gases

Check the temperature of liquids in hygienic applications such as food or pharmaceutical lines and tanks.

RTD Wire

Make custom RTD probes.

RTD Transmitters

Convert signals from your RTD probe into signal types that data loggers, controllers, and other instruments can read.

RTD Connectors

Attach plug-in connectors to RTD probes with wire leads.

Thermometers

Extended-Life Hand-Held Thermometers
with Calibration Certificate

For a longer service life than thermocouple probes and more consistent readings over time, these thermometers have a resistance temperature detector (RTD) probe. They come with a calibration certificate traceable to NIST that states they’ve passed a test for accuracy.

Extended-Life Data-Logging Thermometers

For more accurate and consistent readings than thermometers with thermocouple probes and a longer service life, this thermometer has a resistance temperature detector (RTD) probe.

High-Temperature Panel-Mount Thermometers

Often used to remotely monitor probe readings in high-temperature applications, these thermometers have a housing designed for installation in instrument and control panels.