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Old 06-24-2006, 01:01 AM
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Doc here,

100 to 30 should be fine..If they don't have that you could go 100 to 0 , just remember it"s high on the "Hot" side a little bit..In fact I'd get a couple around that value if they are cheap enough..you can "Fine tune It " a little bit..

When you get it, boil a pan of water 212 Degrees, and hook the sender up , you need to jump the ground to complete the circuit..get an accurate lab or Kitchen thermometer, and submerse them carefully in the water..

Get a Note pad , and note any variances throughout the range as the temperature declnes..(so you know , for instance the gauge is 6 high through , say , 150 to 165..) and keep the list for future referance..If you have a hot plate..that you can bring to the car..you can do it in both directions.

This will give you an accurate idea of your "Linearity" of the gauge.

Doc
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