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WHAT IS A WET-BULB HUMIDITY READING?

April 26, 2017humidity Reading wet-bulb

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WHAT IS A WET-BULB HUMIDITY READING?

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This is explained more fully in the Hatching Manual supplied with each incubator purchase. Essentially, since moisture is required for incubating and hatching eggs, the water bottle allows water to pool in the base of the incubator. One of the thermometers should have a cotton wick on it that goes down into the water, making it a “wet bulb” thermometer. Humidity is the amount of water in the incubator that has evaporated in the air of the unit. The wet bulb humidity reading on the thermometer is not the same as Relative Humidity (RH) in percentages. Rather, it is the temperature of the water in the base of the unit. When used in conjunction with the incubator temperature, you can find the RH by use of the chart in the Hatching Manual which can also be ordered separately—BG81-2.