2007-10-15 00:38:38 · 2 answers · asked by JDA 1 in Science & Mathematics ➔ Engineering
The output is corrected for changes in sensor temperature.
Relative humidity is very sensitive to changes in temperature. The sensitivity of a sense element or its response to humidity are temperature dependent AND the ability of air to hold a quantity of moisture is temperature dependent
2007-10-15 00:57:25 · answer #1 · answered by MarkG 7 · 0⤊ 0⤋
Air can hold different amounts of moisture at different temperatures (which is why air conditioners produce water and fridges need defrosting ..... they are cooling the air so much that it can't hold any more moisture). Relative Humidity is the amount of humidity in the air, expressed as a percentage of that temperature-dependent maximum. 50%RH means that the air contains half as much moisture as it could possibly hold at the same temperature. The colder it gets, the less moist "100%RH" is.
A temperature-compensated humidity sensor should give accurate readings at any temperature.
2007-10-16 02:12:06 · answer #2 · answered by sparky_dy 7 · 0⤊ 0⤋