Thermistors differ from resistance temperature detectors (RTDs) in that the material used in a thermistor is generally a ceramic or polymer, while RTDs use pure metals. The temperature response is also different; RTDs are useful over larger temperature ranges, while thermistors typically achieve a greater precision within a limited temperature range, typically −90 �C to 130 �C.
I always remember it this way, super conductors decrease resistance as you lower the temp while thermisters are the opposite, lower temps raise resistance.
The service manual shows what the resistance should be at different temps, confirming lower temps higher resistance. I'm looking for a thermsister with a different temp/resistance curve.
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Today's Featured Article - The River Tractor - by Charlie English Jr.. This is a 4010 John Deere that was used to farm on the Diamond Island which is in the Ohio River about 15 miles southwest of Evansville, Indiana. About ten years ago, this tractor was parked close to the bank as the river was washing the bank of the island away.
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