Moisture Indicators | McMaster-Carr

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251 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

Leak-Detecting Dyes

Leak-Detecting Dyes

Bright colors help you spot leaks in water and hydraulic systems without using ultraviolet light

Leak-Detecting Pipe Flange Covers

Leak-Detecting Pipe Flange Covers

Wrap around pipe flanges to show when there's a leak and contain it

Data Recorders

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

Data Recorder Charts

Data Recorder Charts

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

Barometers

Measure atmospheric pressure changes

Electrical Resistance Meters

Electrical Resistance Meters

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

Scales

Bench-top, hanging, floor, and conveyor scales

Weather Stations

Weather Stations

Measure multiple weather conditions at the same time

Moisture Meters

Moisture Meters

Stick in wood and other building materials to view moisture levels

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

Heating, Ventilation, and Air Conditioning

Desiccants

Remove moisture from the air to protect items during shipping and storage

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

Electrical

Development Board Sensor Modules

Development Board Sensor Modules

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

Communication

Audible Alarms

Everything from bells and whistles to horns and sirens

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