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Humidity Meters
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PRECISION (PSYCHRO)
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Measuring humidity - psychrometer
A psychrometer is one of the most effective instruments used to
measure the water vapor content-or the amount of moisture or relative
humidity-in the air.
How does it work?
The psychrometer consists of two Celsius thermometer tubes. The red
tube measures the actual ambient temperature-referred to as the dry bulb
temperature. The base of the blue tube is immersed in a vessel containing a
muslin wick soaked in water. This tube measures the temperature caused by
the effects of evaporation from the saturated wick. This temperature reading
is referred to as the wet bulb temperature. The relative humidity (%) of the
air is then calculated by crossing the dry bulb and the wet bulb temperature
readings on the easy to read chart beneath the tubes.
It is one of the most easy and accurate methods of determining the
relative humidity. The psychrometer is very durable and affordable.
Click here to view all our Psychrometers
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