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Types of Sensors

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Temperature Sensors:-This device collects information about temperature from a source and converts into a form that is understandable by other device or person. The best illustration of a temperature sensor is mercury in glass thermometer. The mercury in the glass expands and contracts depending on the alterations in temperature. The outside temperature is the source element for the temperature measurement.
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  • Added: July, 05th 2012
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Types of Sensors
View More :- Vibration Sensors


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Different Types of Sensors:-There are fol owing types of sensors
1.Temperature Sensors:-This device col ects information about
temperature from a source and converts into a form that is understandable
by other device or person. The best il ustration of a temperature sensor is
mercury in glass thermometer. The mercury in the glass expands and
contracts depending on the alterations in temperature. The outside
temperature is the source element for the temperature measurement.
2. IR Sensor:-This device emits and/or detects infrared radiation to sense a
particular phase in the environment. General y, thermal radiation is emitted
by al the objects in the infrared spectrum. The infrared sensor detects this
type of radiation which is not visible to human eye.
3.UV Sensor:-These sensors measure the intensity or power of the incident
ultraviolet radiation. This form of electromagnetic radiation has wavelengths
longer than x-rays but is stil shorter than visible radiation. An active
material known as polycrystal ine diamond is being used for reliable
ultraviolet sensing.
4.Touch Sensor:-A touch sensor acts as a variable resistor as per the
location where it is touched.
5.Proximity Sensor:-A proximity sensor detects the presence of objects
that are nearly placed without any point of contact. Since there is no contact
between the sensors and sensed object and lack of mechanical parts, these
sensors have long functional life and high reliability.
Read More About :- Electronic Sensors


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