Basic Physical Types of Temperature Sensors
Basic Physical Types of Temperature Sensors
In general, there are two sensing methods:
1. Contact
Contact temperature sensors are in physical contact with the object or substance. They can be used to measure temperature of solids, liquids or gases.
2. Non-contact
Non-contact temperature sensors detect temperature by intercepting a portion of emitted infrared energy of the object or substance, and sensing its intensity. They can be used to measure temperature of only solids and liquids. It is not possible to use them on gases because of their transparent nature.
5th May 2016
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