The other sensors aren't there as spares - it's not a matter of using a backup one. In general, there would be a sensor for each exhaust manifold (so 1 for a straight 4 cylinder engine, 2 for V6 etc) ...
University of Houston researchers have developed a sensor proven to work in temperatures as high as 900oC, an advance with applications in industries including aerospace, energy, transportation and ...
University of Houston researchers have used single-crystal aluminium nitride to make a pressure sensor that works up to 900°C. It follows a pressure sensors the same team made from single-crystalline ...
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