Humidity Indicators | McMaster-Carr

Filter by

Humidity Points

Display Type

Width

Scale

Meter Type

REACH Compliance

Height

RoHS Compliance

DFARS Compliance

Indicator Type

Relative Humidity Accuracy

Hole Diameter

Probe Type

Certificate Type

Mount Type

For Use With

Measures

Maximum Temperature

Pipe Size

Mounting Location

Material

Minimum Temperature

Thread Type

How can we improve?

89 Products

Measuring and Inspecting

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

Temperature and Humidity Meters

Temperature and Humidity Meters

Simultaneously measure temperature and relative humidity

Humidity Meters

Humidity Meters

Measure relative humidity without complex calculations

Thermometers

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

Data Recorders

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

Barometers

Measure atmospheric pressure changes

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

Electrical Resistance Meters

Electrical Resistance Meters

Prevent damage to electronics by checking material and surfaces for static discharge

Fluid Handling

Temperature and Humidity Transmitters

Temperature and Humidity Transmitters

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

Humidity Controllers

Humidity Controllers

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

Humidistats

Control the humidity in an enclosure or space

Water Detector Sensors

Water Detector Sensors

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

Electrical

Development Board Sensor Modules

Development Board Sensor Modules

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

Heating, Ventilation, and Air Conditioning

Thermostats

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

Safety Equipment

Heat Stress Monitors

Heat Stress Monitors

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

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