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Humidity sensors and their uses

By Charlie McCoy Subscribe to RSS | July 23rd 2012 | Views:
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Humidity sensors are widely used as heating, ventilation and air conditioning units in homes, offices and industry. Such units are used in places that are affected by high and low levels of humidity and require the constant maintenance of humidity levels. Also referred as a hygrometer, these devices are used to measure humidity in the air. These sensors monitor the electrical changes in relation to changing humidity contents in the air. These are used to adjust other machinery like Dehumidifiers, humidifiers and air conditioners in accordance to desired levels.

Humidity monitoring systems are also useful for individuals who suffer from health conditions that are aggregated with high humidity levels. A person with allergies or asthma can also use such devices as precautionary purposes. Lower levels of humidity can further deteriorate the condition of individuals suffering from such health conditions, while higher levels of humidity can cause growth of fungus, bacteria, mold or mildew, which can have derogatory effects on health as well.

Humidity monitors are widely used in storage houses. There are wine sellers who are to maintain the consistent levels of wine to assure it doesn’t get spoiled. These devices are also used in the storage of any other items like some sort of antiques that can get spoiled with moisture.

The benefit of these sensors in the industry are that they allow accurate measurements and recording of humidity data. These data loggers can be used for real time monitoring and send alerts if there are any sudden changes. Once the sensor picks up the changes, the measurement is converted to humidity readings and recorded in data log. The changes in voltage are converted into digital readings showing the amount of moisture in the air. There can be the use of a single humidity monitor or the person can put to use a set of humidity sensory devices for dispersed locations. It is useful for mapping, and validation and data logging and recording for reports.

There are three types of sensor technologies that are used in these humidity monitoring systems – resistive, Capacitive and thermal conductivity sensing. Resistive sensors act well when using remote locations. Capacitive sensors are beneficial for a distinctive range of RH and condensation tolerance. Thermal conductivity sensors are beneficial in corrosive environments that have high temperatures. The type of environment that place determines the kind of sensor used in the humidity monitoring.

Commercial and office buildings have humidity monitors in their HVAC units that keep a constant track of the changing humidity levels and keep the air safe and healthy to breathe. Humidity monitoring sensors also have industrial uses for the manufacturing of materials that are sensitive to moisture. Apart from that humidity sensors are also used in collecting data for weather stations and ocean research where humidity contents are to be continuously measured and monitored.

Technological advancement has made it possible to control humidity for a variety of reasons like to maintain healthy indoor air, items from moisture exposure and for different research applications like vaccine monitoring.

Several online companies specialize in offering such kinds of products and a person can choose the product accordingly.

For humidity monitoring devices log on to: http://www.tempgenius.com/

Charlie McCoy - About Author:
Charlie McCoy is a freelance writer who has written many articles on Freezer temperature Monitoring, Warehouse temperature monitoring and Warehouse Humidity monitor.

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