Temperature/Humidity Meters | McMaster-Carr

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For Use With

Air Conditioners

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Less than 100° F

100° F to 124.9° F

125° F to 149.9° F

150° F to 174.9° F

175° F or greater

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48 Products

Temperature and Humidity Meters

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

Temperature and Humidity Meters

Temperature and Humidity Meters

Set on a tabletop to measure indoor temperature and humidity

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

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

Handheld Temperature and Humidity Meters

Handheld Temperature and Humidity Meters

Measure a wider temperature and humidity range than pocket meters

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

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

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

Temperature and Humidity Transmitters

Temperature and Humidity Transmitters

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

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

Electrical Resistance Meters

Electrical Resistance Meters

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

Heat Stress Monitors

Heat Stress Monitors

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

Thermostats

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

Development Board Sensor Modules

Development Board Sensor Modules

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

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.)