Aircraft Temperature gage info

Aircraft temperature gages are commonly available and can be used in a fun project for your aircraft shack to indicate inside and outside air temperatures. The thermistors are available from Digikey and others at quite reasonable prices. Normally reading in degrees Celsius, a new scale can be made with a computer graphics package and overlaid on the original. Occasionally one can find scales marked in Farenheit, but they are not common. The larger 3 1/2" meters are easier to read, of course. The information below provides the basics needed to design your own, depending on the model you find.



Two of the rarer temperature indicators, both reading in degrees F







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