Humidity Monitors | McMaster-Carr

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Display Type

Light Indicator

Certificate Type

Accuracy Certificate

Calibration Certificate Traceable to NIST

Meter Type

Relative Humidity

Measurement Unit

Feet per Minute

Kilometers per Hour

Meters per Second

Relative Humidity

Measures

Air Quality Index

Ambient Temperature

Barometric Pressure

Black Globe Temperature

Carbon Dioxide Level

Equivalent Carbon Dioxide

Heat Stress Index

Relative Humidity

Total Volatile Organic Compound Concentration

Wet Bulb Temperature

Probe Type

Wireless Sensor

Maximum Temperature

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

Mounting Location

Relative Humidity Accuracy

Temperature Features

Audible High/Low Alarm

Data Hold Function

Min./Max. Display

Min./Max. Memory

Visual High/Low Alarm

For Use With

Air Conditioners

Mount Type

Maximum Indoor Temperature

Minimum Dew Point

Housing Material

Stainless Steel

Temperature Resolution

Battery Size

Minimum Temperature

-25° F or less

-24° F to -1° F

0° F to 24° F

25° F to 44° F

45° F or greater

Power Source

Minimum Indoor Temperature

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Performance

How can we improve?

95 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

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

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

Through-Wall-Mount Temperature and Humidity Meters

Through-Wall-Mount Temperature and Humidity Meters

Monitor humidity, temperature, and dew point inside sealed containers

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

Other Products

Humidity Meters

Humidity Meters

Measure relative humidity without complex calculations

Data Recorders

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

Electrical Resistance Meters

Electrical Resistance Meters

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

Humidity-Indicating Cards

Humidity-Indicating Cards

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

Humidity Controllers

Humidity Controllers

Monitor humidity and control it by automatically turning equipment on and off

Barometers

Measure atmospheric pressure changes

Humidistats

Control the humidity in an enclosure or space

Temperature and Humidity Transmitters

Temperature and Humidity Transmitters

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

Humidity-Indicating Plugs

Humidity-Indicating Plugs

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

Thermometers

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

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

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

Data Recorder Charts

Data Recorder Charts

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

Exhaust Fans

Draw stagnant and humid air out of a room or area

Thickness Gauges

Thickness Gauges

Move the thumb lever to quickly check the thickness of flat stock, pipe, or tubing

Thermostats

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

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.)