Temperature Displays | 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

Display Type

Light Indicator

Thermocouple Type

Mount Type

Thermometer Type

For Use With

Air Conditioners

RTD Connection Heads

Thermocouple Connection Heads

Hydraulic Fluid

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

Probe Length

Thermocouple Sensor Connection

Flat-Pin Mini Thermocouple Connector

Round-Pin Thermocouple Connector

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

Probe Diameter

Stem Length

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Connection Location

Pipe Size

Dial Diameter

Housing Material

Stainless Steel

Cable Length

Adjustability

Thread Type

Lens Material

Graduations

Stem Diameter

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3,891 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

Humidity Meters

Humidity Meters

Measure relative humidity without complex calculations

Temperature-Indicating Sheets

Temperature-Indicating Sheets

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

Temperature Crayons

Temperature Crayons

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

Temperature-Indicating Liquids

Temperature-Indicating Liquids

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

Combustion Analyzers

Combustion Analyzers

Measure boiler and furnace combustion efficiency

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

Oscilloscope/Multimeters

Oscilloscope/Multimeters

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

Electrical Resistance Meters

Electrical Resistance Meters

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

Multimeters

Take current, voltage, resistance, and other electrical measurements

Barometers

Measure atmospheric pressure changes

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

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

Airflow Meters

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

Fluid Handling

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

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

Thermocouples

Measure and transmit liquid, gas, and surface temperature

Thermocouple Connector Adapters

Thermocouple Connector Adapters

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

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 and Humidity Transmitters

Temperature and Humidity Transmitters

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

Thermocouple and RTD Fittings

Thermocouple and RTD Fittings

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

Flow Transmitters

Flow Transmitters

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

Pressure Gauges

Pressure Gauges

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

Pressure and Vacuum Gauges

Pressure and Vacuum Gauges

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

Heating, Ventilation, and Air Conditioning

Thermostats

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

Electrical

Terminal Blocks

Terminal Blocks

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

Electrical Enclosure Inspection Windows

Electrical Enclosure Inspection Windows

View components without exposing them to dust and moisture

Development Board Sensor Modules

Development Board Sensor Modules

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

Safety Equipment

Heat Stress Monitors

Heat Stress Monitors

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

Communication

Labels

Stick onto items to identify or convey information about them

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