<VV> Thermister check wanted
Sethracer at aol.com
Sethracer at aol.com
Tue Jul 4 15:42:25 EDT 2006
In a message dated 7/4/2006 12:31:10 PM Pacific Standard Time,
kovacsmj at sbcglobal.net writes:
I'm sure somewhere there is a test to see if a thermistor is working or not
before installing it in a car. Probably something to do with resistance when
it is heated. I have three of them in the stash and want to do a simple bench
check before declaring them junk or OK to keep in the stash.
Anybody have a simple check with a multimeter and hair dryer that I can use?
Will a simple match produce enough heat to move a meter?
Probably a heat gun would work. If not, how about a propane torch - lightly
applied, of course. You could hold the thermistor in a vice (lightly) with the
sender end sticking out. That should give you a reading when heated. Lew
Rishel has a graph of the "resistance at temps" relationship. I know I have it
here but I cannot find it this moment. - Seth
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