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Unread 06-03-2002, 11:03 PM   #7
Lmandrake
Cooling Neophyte
 
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Join Date: Nov 2001
Location: D.C.
Posts: 26
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It is a hall-effect sensor. They come in different flavors, but the most common is one that switches on when a magnet passes by and switches off when the magnet passes by going in the opposite direction.

I am going to be doing a review of the unit sold by HighSpeedPC in a couple of weeks for www.pcabusers.com

The one I made for myself paid for itself one night when low coolant killed my flow from my pump...
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Last edited by Lmandrake; 06-03-2002 at 11:11 PM.
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