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Hygrometers are humidity sensors, The hair hydrometer is a type of absorption hydrometer and uses the technique of mechanical moisture detection. Principle of Hair hygrometer Due to humidity, several materials undergo a change in physical, chemical and electrical properties. This property is…
Humidity can be measured using materials that absorb water vapor, giving a change in their characteristics that can be measured; by measuring the latent heat of evaporation; by dew point measurement; or by microwave absorption. There are two types of meters, Psychrometers &…
Introduction Sling Psychrometer is used to measure both the dry bulb and wet bulb temperatures at time. These temperatures are a measure of humidity content in air. Description of Sling Psychrometer The main parts of the instrument are There are 2 thermometers…
Capacitance is one of the most common forms of humidity measurement. Humidity sensors are typically used in building controls. The most effective location for a wall mounted sensor is near the return air duct, where the air leaving the room has the best…