Temperature Gauges | McMaster-Carr

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1,000° F to 1,999.9° F

2,000° F to 2,999.9° F

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3,925 Products

Measuring and Inspecting

Thermometers

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

517 products

Temperature and Humidity Meters

Simultaneously measure temperature and relative humidity

13 products

Humidity Meters

Measure relative humidity without complex calculations

3 products

Thermal Cameras

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

6 products

Data Recorders

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

56 products

Data Recorder Charts

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

16 products

Barometers

Measure atmospheric pressure changes

6 products

Test Lead Sensors

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

2 products

Oscilloscope/Multimeters

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

4 products

Electrical Resistance Meters

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

4 products

Multimeters

Take current, voltage, resistance, and other electrical measurements

38 products

Weather Stations

Measure multiple weather conditions at the same time

3 products

Airflow Meters

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

19 products

Vibration Monitors

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

5 products

Light Meters

Measure light quality and intensity

2 products

Fluid Handling

Pressure Gauges

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

5 products

Pressure and Vacuum Gauges

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

2 products

Thermowells

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

115 products

RTDs

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

134 products

RTD Transmitters

Send temperature readings from RTD probes in containers, tanks, and pipes to switches and PLCs

10 products

RTD Connectors

Attach plug-in connectors to RTD probes with wire leads

2 products

Thermocouples

Measure and transmit liquid, gas, and surface temperature

719 products

Thermocouple Transmitters

Check system temperatures from your smartphone or tablet

9 products

Thermocouple Connectors

Join thermocouple probes and wire to thermometers and control panels

145 products

Thermocouple Connector Covers

Shield thermocouple connectors from dust and debris

1 product

Thermocouple Connector Adapters

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

10 products

Thermocouple and RTD Fittings

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

50 products

Thermocouple and RTD Protection Tubes

Shield thermocouple and RTD probes in large, unpressurized tanks

16 products

Noncontact Temperature Sensors

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

22 products

Temperature and Humidity Transmitters

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

3 products

Flow Transmitters

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

19 products

Water Detector Sensors

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

1 product

Heating, Ventilation, and Air Conditioning

Thermostats

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

53 products

HVAC Flame Detectors

Replace flame detectors in HVAC equipment such as furnaces, ovens, water heaters, and boilers

1 product

Communication

Labels

Stick onto items to identify or convey information about them

109 products

Electrical

Development Board Sensor Modules

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

4 products

Terminal Blocks

Mate with terminals to complete circuits in control panels, motors, and small machines

23 products

Safety Equipment

Heat Stress Monitors

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

4 products

Fabricating and Machining

Temperature Sensors for 3D Printer Extruder Heating Elements

Measure heating block temperature and send it to printer controllers

2 products