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temperature sensor and fan controller

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thekelster

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I am trying to find a temeprature sensor and controller combination. Basically I need a temperature sensor that would detect the temperature of a radiator and when the temperature reaches 200 degrees Celcius, the controller would turn on a fan. I would prefer a controller that would allow for On/Off/Auto where auto would be the temperature sensor that initializes the fan.

I need the the assembly to be as small and light as possible. Any ideas would be graetly appreciated. Thanks in advance.
 
Maybe something like this in a disk or capillary tube configuration? Then just bypass it with a switch. That would be small and simple.

Ron
 
200 degrees celcius is pretty darn hot for a radiator. Did you mean 200 degrees F?
 
200 degrees celcius is pretty darn hot for a radiator. Did you mean 200 degrees F?

I sort of wondered about that too. Looking at about 200C = 392F which is pretty warm for an average radiator. Seems it would make more sense at 200F.

Ron
 
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