Temperature Probes | McMaster-Carr

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3,264 Products

Fluid Handling

Thermocouples

Measure and transmit liquid, gas, and surface temperature

Thermocouple Transmitters

Thermocouple Transmitters

Check system temperatures from your smartphone or tablet

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

Thermocouple and RTD Mounts

Thermocouple and RTD Mounts

Join thermocouple connectors and probes that have different connection types

Temperature Controllers

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

Flow Transmitters

Flow Transmitters

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

Water Detector Sensors

Water Detector Sensors

Place near tanks, sump pumps, and pipe lines to alert you to water leaks

Measuring and Inspecting

Thermometers

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

Temperature and Humidity Meters

Temperature and Humidity Meters

Simultaneously measure temperature and relative humidity

Airflow Meters

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

Test Lead Sensors

Test Lead Sensors

Adapt Fluke multimeters to take temperature readings, so you don't need a separate meter

Data Recorders

Log temperature, humidity, or pressure levels to track changes and troubleshoot your system

Data Recorder Charts

Data Recorder Charts

Place in temperature and humidity data recorders to document readings over time

Barometers

Measure atmospheric pressure changes

Thickness Gauges

Thickness Gauges

Move the thumb lever to quickly check the thickness of flat stock, pipe, or tubing

Chemistry Meters

Chemistry Meters

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

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

Electrical

Development Board Sensor Modules

Development Board Sensor Modules

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

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