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2. Colorimetric capnography - Wikipedia

   en.wikipedia.org/wiki/Colorimetric_capnography

   Colorimetric capnography is a qualitative measurement method that detects the presence of carbon dioxide (CO2, a relatively acidic gas) in a given gaseous environment. From a medical perspective, the method is usually applied by exposing litmus paper/film to an environment containing a patient's airway gases (i.e. placing it into their breathing circuit/airway circuit), where it will then ...

3. Carbon dioxide sensor - Wikipedia

   en.wikipedia.org/wiki/Carbon_dioxide_sensor

   New developments include using microelectromechanical systems (MEMS) IR sources to bring down the costs of this sensor and to create smaller devices (for example for use in air conditioning applications). [3] Another method (Henry's Law) also can be used to measure the amount of dissolved CO 2 in a liquid, if the amount of foreign gases is ...

4. Capnography - Wikipedia

   en.wikipedia.org/wiki/Capnography

   Capnography directly reflects the elimination of CO 2 by the lungs to the anesthesia device. Indirectly, it reflects the production of CO 2 by tissues and the circulatory transport of CO 2 to the lungs. [7] When expired CO 2 is related to expired volume rather than time, the area beneath the curve represents the volume of CO

5. Gas detector - Wikipedia

   en.wikipedia.org/wiki/Gas_detector

   This type of device is used widely in industry and can be found in locations, such as on oil rigs, to monitor manufacturing processes and emerging technologies such as photovoltaic. They may be used in firefighting. Gas leak detection is the process of identifying potentially hazardous gas leaks by sensors. Additionally a visual identification ...

6. Greenhouse gas monitoring - Wikipedia

   en.wikipedia.org/wiki/Greenhouse_gas_monitoring

   Greenhouse gas monitoring is the direct measurement of greenhouse gas emissions and levels. There are several different methods of measuring carbon dioxide concentrations in the atmosphere, including infrared analyzing and manometry. Methane and nitrous oxide are measured by other instruments.

7. Monitoring (medicine) - Wikipedia

   en.wikipedia.org/wiki/Monitoring_(medicine)

   A medical monitor or physiological monitor is a medical device used for monitoring. It can consist of one or more sensors, processing components, display devices (which are sometimes in themselves called "monitors"), as well as communication links for displaying or recording the results elsewhere through a monitoring network.