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The liquid contact indicator is the white circular object in the middle of this photograph of MacBook Air logic board. A liquid contact indicator (LCI) is a small indicator that turns from white into another color, typically red, after contact with water. These indicators are small adhesives that are placed on several points within electronic ...
Let's start by pointing out that iPhones are not officially supposed to be waterproof, though the video shows how surprisingly well these smartphones take one whole hour of chilling inside a bowl ...
Moisture is the presence of a liquid, especially water, often in trace amounts. Moisture is defined as water in the adsorbed or absorbed phase. [1] Small amounts of water may be found, for example, in the air , in foods, and in some commercial products. Moisture also refers to the amount of water vapor present in the air. The soil also includes ...
A water detector is an electronic device that is designed to detect the presence of water for purposes such as to provide an alert in time to allow the prevention of water leakage. A common design is a small cable or device that lies flat on a floor and relies on the electrical conductivity of water to decrease the resistance across two contacts.
The dew point of a given body of air is the temperature to which it must be cooled to become saturated with water vapor. This temperature depends on the pressure and water content of the air. When the air is cooled below the dew point, its moisture capacity is reduced and airborne water vapor will condense to form liquid water known as dew. [1]
Similarly, during summer in humid climates a great deal of liquid water condenses from air cooled in air conditioners. Warmer air is cooled below its dew point, and the excess water vapor condenses. This phenomenon is the same as that which causes water droplets to form on the outside of a cup containing an ice-cold drink.
Water molecules do take time to enter and exit the pores, so some wet-up and dry down delays will be observed, especially after a slug. Contaminants and corrosives may damage and clog the pores, causing a “drift” in the calibration , but the sensor heads can be refurbished or replaced and will perform better in very clean gas streams.
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