Indoor Thermometers | McMaster-Carr

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For Use With

Air Conditioners

Molex Micro-Fit 3.0

Display Type

Light Indicator

System of Measurement

Maximum Temperature

Less than 250° F

250° F to 499.9° F

500° F to 999.9° F

1,000° F to 1,999.9° F

2,000° F or greater

Less than 100° C

100° C to 249° C

250° C to 499° C

500° C to 999° C

1,000° C or greater

Probe Length

Mount Type

Measurement Unit

Inches of Mercury

Pounds per Square Inch

Relative Humidity

Probe Diameter

Thermocouple Type

Thermometer Type

Export Control Classification Number (ECCN)

Probe Type

Wireless Sensor

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to 0° F

1° F to 249° F

250° F or greater

-50° C or less

-49° C to -25° C

-24° C to 0° C

1° C to 249° C

250° C or greater

Measures

Air Quality Index

Ambient Temperature

Barometric Pressure

Black Globe Temperature

Body Temperature

Carbon Dioxide Level

RoHS

Compliant with Exemptions

Probe Material

Stainless Steel

REACH

DFARS Specialty Metals

Voltage

20V AC to 30V AC

24V AC to 250V AC

24V AC to 277V AC

120V AC to 240V AC

120V AC to 277V AC

8V DC to 32V DC

8V DC to 35V DC

10V DC to 30V DC

12V DC to 24V DC

18V DC to 32V DC

24V DC to 75V DC

Number of Wires

Environment

Food and Beverage

High-Pressure Washdown

RTD Probe Resistance

Meter Type

Thermocouple Sensor Connection

Connection Location

Probe Connection Pipe Size

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649 Products

Temperature and Humidity Meters

Temperature and Humidity Meters

Temperature and Humidity Meters

Set on a tabletop to measure indoor temperature and humidity

Remote-Reading High-Accuracy Temperature and Humidity Meters with Calibration Certificate

Remote-Reading High-Accuracy Temperature and Humidity Meters with Calibration Certificate

More accurate than other remote meters for precise indoor readings

Remote-Reading Wall-Mount Temperature and Humidity Meters

Remote-Reading Wall-Mount Temperature and Humidity Meters

Snake the probe outside to measure outdoor temperature in addition to indoor conditions

Remote-Reading Temperature and Humidity Meters

Remote-Reading Temperature and Humidity Meters

Monitor temperature and humidity both indoors and outdoors with the wireless sensor

Pocket Temperature and Humidity Meters with Calibration Certificate

Pocket Temperature and Humidity Meters with Calibration Certificate

No bigger than a pen for temperature and humidity readings on the go

Handheld Temperature and Humidity Meters

Handheld Temperature and Humidity Meters

Measure a wider temperature and humidity range than pocket meters

Remote-Reading Handheld Temperature and Humidity Meters

Remote-Reading Handheld Temperature and Humidity Meters

Reach into hard-to-access areas to check humidity, temperature, and dew point

Through-Wall-Mount Temperature and Humidity Meters

Through-Wall-Mount Temperature and Humidity Meters

Monitor humidity, temperature, and dew point inside sealed containers

Other Products

Barometers

Measure atmospheric pressure changes

Thermostats

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

RTDs

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

Thermometers

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

Thermocouples

Measure and transmit liquid, gas, and surface temperature

Multimeters

Take current, voltage, resistance, and other electrical measurements

Noncontact Temperature Sensors

Noncontact Temperature Sensors

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

Airflow Meters

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

Pressure Gauges

Pressure Gauges

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

Thermocouple Transmitters

Thermocouple Transmitters

Check system temperatures from your smartphone or tablet

Pressure and Vacuum Gauges

Pressure and Vacuum Gauges

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

Thermal Cameras

Thermal Cameras

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

Vibration Monitors

Vibration Monitors

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

Development Board Sensor Modules

Development Board Sensor Modules

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

Heat Stress Monitors

Heat Stress Monitors

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

Electrical Adapters

Electrical Adapters

Change electrical connectors to another type, size, or gender

Temperature and Humidity Transmitters

Temperature and Humidity Transmitters

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

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

Test Lead Sensors

Test Lead Sensors

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

Electrical Resistance Meters

Electrical Resistance Meters

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

HVAC Flame Detectors

HVAC Flame Detectors

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

Oscilloscope/Multimeters

Oscilloscope/Multimeters

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

Water Detector Sensors

Water Detector Sensors

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

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