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Hygrometer

Relative humidity measurement

Relative humidity is measured by both indoor and outdoor modules.

Did you know?

Dry environments can cause throat or nose irritation. Comfortable indoor humidity ranges from 30% up to 70%.

What is relative humidity?

Relative humidity is a measurement of the amount of water vapor in the air (at a specific temperature) compared to the maximum amount of water vapor air can hold at that specific temperature level. Humidity is represented by a percentage value.

Relative humidity depends on the temperature of the air. Warm air can hold more moisture than cold air.

A relative humidity of 100% indicates that the air is holding all the water it can at that specific temperature any additional moisture at that point will transform into condensation.

If the temperature decreases, but the amount of moisture in the air does not change, the relative humidity increases.

Did you notice?

If you blow into the station, the humidity level raises!

What happens if the station is exposed to high humidity?

When the weather is very humid (due to rain) the humidity sensor may become saturated. It usually takes a few hours for it to dry, and return to its normal state.

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