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The type of oxygen sensor used in most underwater diving applications is the electro-galvanic oxygen sensor, a type of fuel cell, which is sometimes called an oxygen analyser or ppO 2 meter. They are used to measure the oxygen concentration of breathing gas mixes such as nitrox and trimix . [ 9 ]
where the subscripts “inc” and “sca” refer to the incident laser light and the shifted backscattered light respectively (in HSRL these terms are the same thus further simplifying the equation, but the distinction is needed in the case of Raman lidar), N is the nitrogen / oxygen molecule number density and is the Ångström exponent.
The Electric Oxygen Iodine Laser, or ElectricOIL, or EOIL, is an infrared hybrid electrical / chemical laser. Its output wavelength is 1.315 μm, the wavelength of transition of atomic iodine . The lasing state I* is produced by near-resonant energy transfer with metastable singlet oxygen O 2 ( a 1 Δ) [denoted hereafter as O 2 (a)].
For active sensing, IR imaging sensors typically scan a laser across the field of view of a scene and look for backscattered light at the absorption line wavelength of a specific target gas. Passive IR imaging sensors measure spectral changes at each pixel in an image and look for specific spectral signatures that indicate the presence of ...
Electro-galvanic oxygen sensor; ... Heat flux sensor; Holographic sensor; Human presence detection; ... Laser accelerometer;
Automatic transmission speed sensor; Brake fluid pressure sensor; Camshaft position sensor (CMP) Cylinder Head Temperature gauge; Engine crankcase pressure sensor; Exhaust gas temperature sensor; Fuel level sensor; Fuel pressure sensor; Knock sensor; Light sensor; MAP sensor; Mass airflow sensor; Oil level sensor; Oil pressure sensor; Omniview ...
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