Sensor Probes | McMaster-Carr

Filter by

Maximum Temperature

Less than 500° F

500° F to 999.9° F

1,000° F to 1,999.9° F

2,000° F to 2,999.9° F

3,000° F or greater

Less than 250° C

250° C to 499° C

500° C to 999° C

1,000° C to 1,999° C

2,000° C or greater

Thermocouple Type

Mount Type

Probe Length

For Use With

Hydraulic Fluid

Display Type

Light Indicator

Probe Diameter

Thermometer Type

Thermocouple Sensor Connection

Flat-Pin Mini Thermocouple Connector

Round-Pin Thermocouple Connector

Measurement Unit

Inches of Mercury

Millimeters of Mercury

Minimum Temperature

-250° F or less

-249° F to -1° F

0° F to 99° F

100° F to 249° F

250° F or greater

-100° C or less

-99° C to -50° C

-49° C to -1° C

0° C to 249° C

250° C or greater

Stem Length

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Connection Location

Pipe Size

Dial Diameter

Housing Material

Stainless Steel

Adjustability

Cable Length

Thread Type

Stem Diameter

Graduations

Lens Material

How can we improve?

3,679 Products

Most Likely Products

Chemistry Sensors

Chemistry Sensors

Pair with chemistry meters to test oxidation reduction potential (ORP) or pH

Thermocouples

Measure and transmit liquid, gas, and surface temperature

RTDs

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

Spring Test Probes

Spring Test Probes

Use in spring test probe sockets to test for continuity and damaged components in circuit boards

All Results

Measuring and Inspecting

Chemistry Sensors

Chemistry Sensors

Pair with chemistry meters to test oxidation reduction potential (ORP) or pH

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

Spring Test Probes

Spring Test Probes

Use in spring test probe sockets to test for continuity and damaged components in circuit boards

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

Test Lead Sensors

Test Lead Sensors

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

Patch Cords

Make point-to-point connections between electrical testing equipment and your devices

Multimeters

Take current, voltage, resistance, and other electrical measurements

Oscilloscopes

Analyze problems with electrical equipment by graphing voltage and other electrical waveforms

Electrical Resistance Meters

Electrical Resistance Meters

Prevent damage to electronics by checking that surfaces won't discharge static electricity

Electronic-Component Testers

Electronic-Component Testers

Test, identify, and troubleshoot components such as circuit boards and diodes

Oscilloscope/Multimeters

Oscilloscope/Multimeters

Perform electrical tests, record data, and view a graph of electrical waveforms

Airflow Meters

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

Thermometers

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

Belt Tension Gauges

Belt Tension Gauges

Check belt tension to minimize vibration, noise, and slippage

Light Meters

Measure light quality and intensity

Barometers

Measure atmospheric pressure changes

Humidity Meters

Humidity Meters

Measure relative humidity without complex calculations

Data Recorders

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

Coordinate Measurement Machine Probes

Coordinate Measurement Machine Probes

Take 3D measurements of workpieces on your CMM or CNC machine to inspect for quality

Humidity-Indicating Cards

Humidity-Indicating Cards

Check humidity levels of moisture-sensitive inventory and equipment at a glance

Temperature and Humidity Meters

Temperature and Humidity Meters

Simultaneously measure temperature and relative humidity

Humidity-Indicating Plugs

Humidity-Indicating Plugs

Monitor humidity in sealed containers without opening them, protecting the inside from contamination

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

Temperature and Humidity Transmitters

Temperature and Humidity Transmitters

Regulate heating and cooling by sending temperature and humidity levels to PLCs and controllers

Water Detector Sensors

Water Detector Sensors

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

Flow Switches

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

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

Fabricating and Machining

3D Printer Probes

3D Printer Probes

Map the ups and downs of print surfaces so printers extrude at the proper height

Electrical

Current Relays

Prevent AC current overload in equipment such as motors and heaters

Relays

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

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

Safety Equipment

Multi-Gas Detectors

Multi-Gas Detectors

Monitor air for carbon monoxide and combustible gases including methane, hydrogen, and propane

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