Humidity Testers | McMaster-Carr

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Display Type

Light Indicator

Measurement Unit

Feet per Minute

Inches of Mercury

Kilometers per Hour

Meters per Second

Millimeters of Mercury

Relative Humidity

Meter Type

Relative Humidity

Certificate Type

Accuracy Certificate

Calibration Certificate Traceable to NIST

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 120° F

120° 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

For Use With

Temperature Features

Audible High/Low Alarm

Data Hold Function

Min./Max. Display

Min./Max. Memory

Visual High/Low Alarm

Mount Type

Housing Material

Stainless Steel

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

Height

DFARS Specialty Metals

Battery Size

Maximum Indoor Temperature

Temperature Resolution

REACH

Width

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Minimum Dew Point

Power Source

How can we improve?

100 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 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

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

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

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

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

Data Recorder Charts

Data Recorder Charts

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

Humidistats

Control the humidity in an enclosure or space

Humidity-Indicating Plugs

Humidity-Indicating Plugs

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

Thickness Gauges

Thickness Gauges

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

Barometers

Measure atmospheric pressure changes

Data Recorders

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

Heat Stress Monitors

Heat Stress Monitors

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

Thermometers

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

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

Temperature and Humidity Transmitters

Temperature and Humidity Transmitters

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

Electrical Resistance Meters

Electrical Resistance Meters

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

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.)