Room Thermometers | McMaster-Carr

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Display Type

Thermometer Type

For Use With

Air Conditioners

Measurement Unit

Relative Humidity

Certificate Type

Accuracy Certificate

Calibration Certificate Traceable to NIST

Meter Type

Maximum Temperature

Less than 500° F

500° F to 999.9° F

1,000° F to 1,499.9° F

1,500° F to 1,999.9° F

2,000° 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

Probe Type

Wireless Sensor

Mounting Location

Measures

Air Quality Index

Barometric Pressure

Body Temperature

Carbon Dioxide Level

Equivalent Carbon Dioxide

Relative Humidity

Total Volatile Organic Compound Concentration

Mount Type

Minimum Temperature

-100° F or less

-99° F to -50° F

-49° F to -1° F

0° F to 249° F

250° F or greater

-100° C or less

-99° C to -50° C

-49° C to -25° C

-24° C to -1° C

Greater than 0° C

Temperature Features

Audible High/Low Alarm

Data Hold Function

Min./Max. Display

Min./Max. Memory

Maximum Indoor Temperature

Relative Humidity

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

24V DC to 75V DC

Millivolt to 30V AC

Export Control Classification Number (ECCN)

Temperature Resolution

Relative Humidity Accuracy

Minimum Indoor Temperature

RoHS

Compliant with Exemptions

REACH

Battery Size

Button/Coin Cell

Housing Material

Stainless Steel

DFARS Specialty Metals

How can we improve?

206 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

Easy-Read Wall-Mount Temperature and Humidity Meters with Accuracy Certificate

Easy-Read Wall-Mount Temperature and Humidity Meters with Accuracy Certificate

The largest dial meters we offer to view temperature and humidity at a glance

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

Temperature and Humidity Transmitters

Temperature and Humidity Transmitters

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

Thermometers

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

Thermostats

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

Humidity-Indicating Cards

Humidity-Indicating Cards

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

Humidity-Indicating Plugs

Humidity-Indicating Plugs

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

Noncontact Temperature Sensors

Noncontact Temperature Sensors

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

Development Board Sensor Modules

Development Board Sensor Modules

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

Humidity Meters

Humidity Meters

Measure relative humidity without complex calculations

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