Temperature Readers | McMaster-Carr

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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

For Use With

Air Conditioners

Molex Micro-Fit 3.0

RTD Connection Heads

Thermocouple Connection Heads

Thermometer Type

Probe Length

Display Type

Light Indicator

Measurement Unit

Cubic Meters per Hour

Feet per Minute

Gallons per Hour

Gallons per Minute

Inches of Mercury

Kilometers per Hour

Liters per Minute

Meters per Second

Unit Price

$200 or greater

Thermocouple Sensor Connection

Flat-Pin Mini Thermocouple Connector

Round-Pin Thermocouple Connector

Probe Diameter

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

RoHS

Compliant with Exemptions

REACH

Stem Length

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Pipe Size

Connection Location

Dial Diameter

Housing Material

Stainless Steel

Thread Type

Adjustability

Cable Length

Probe Material

Stainless Steel

Graduations

Stem Diameter

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4,169 Products

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

Thermal Cameras

Thermal Cameras

Detect hot spots, leaks, moisture problems, and construction defects invisible to the eye

Temperature Crayons

Temperature Crayons

Less messy than liquids, draw marks that melt as surfaces reach a specific temperature

Combustion Analyzers

Combustion Analyzers

Measure boiler and furnace combustion efficiency

Temperature-Indicating Sheets

Temperature-Indicating Sheets

Stick to surfaces and the color changes as the temperature rises and falls

Humidity Meters

Humidity Meters

Measure relative humidity without complex calculations

Temperature-Indicating Liquids

Temperature-Indicating Liquids

Brush onto surfaces and markings melt when they reach a specific temperature

Oscilloscope/Multimeters

Oscilloscope/Multimeters

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

Test Lead Sensors

Test Lead Sensors

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

Multimeters

Take current, voltage, resistance, and other electrical measurements

Electrical Resistance Meters

Electrical Resistance Meters

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

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

Wristwatches

Display the time, date, and smart functions on your wrist and keep your hands free

Barometers

Measure atmospheric pressure changes

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

Vibration Monitors

Vibration Monitors

Mount to your machine to continuously monitor vibration and ensure it stays within the proper range

Light Meters

Measure light quality and intensity

Airflow Meters

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

Fluid Handling

Thermocouples

Measure and transmit liquid, gas, and surface temperature

Thermocouple Transmitters

Thermocouple Transmitters

Check system temperatures from your smartphone or tablet

Thermocouple Connectors

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

Thermocouple Connector Adapters

Thermocouple Connector Adapters

Convert round-pin male connectors to flat-pin male connectors

Thermocouple Connector Covers

Thermocouple Connector Covers

Shield thermocouple connectors from dust and debris

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

RTD Connectors

Attach plug-in connectors to RTD probes with wire leads

Noncontact Temperature Sensors

Noncontact Temperature Sensors

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

Thermocouple and RTD Protection Tubes

Thermocouple and RTD Protection Tubes

Shield thermocouple and RTD probes in large, unpressurized tanks

Temperature Switches

Temperature Switches

Turn heating equipment on or off at a specified temperature

Temperature and Humidity Transmitters

Temperature and Humidity Transmitters

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

Thermowells

Prevent damage to thermometers and temperature probes in pressurized tanks and pipelines

Thermocouple and RTD Fittings

Thermocouple and RTD Fittings

Alter probe immersion depth or adapt unthreaded connections for use with threaded tanks and heads

Pressure and Vacuum Gauges

Pressure and Vacuum Gauges

Measure pressure and vacuum in air and fluid lines, pumps, and refrigeration systems

Pressure Gauges

Pressure Gauges

Measure pressure in pumps, filters, regulators, and process lines

Water Detector Sensors

Water Detector Sensors

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

Flow Transmitters

Flow Transmitters

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

Electrical

Development Board Sensor Modules

Development Board Sensor Modules

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

Terminal Blocks

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

Communication

Labels

Stick onto items to identify or convey information about them

Heating, Ventilation, and Air Conditioning

Thermostats

Connect to heaters, fans, and air conditioners to control the temperature

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 Extruder Heating Elements

3D Printer Extruder Heating Elements

Replace your entire heating element, or switch it out to print at higher speeds or temperatures

Temperature Sensors for 3D Printer Extruder Heating Elements

Temperature Sensors for 3D Printer Extruder Heating Elements

Measure heating block temperature and send it to printer controllers

Safety Equipment

Heat Stress Monitors

Heat Stress Monitors

Measure temperature, humidity, and radiant heat to keep people safe from heat-related hazards

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