On Tue, 6 Aug 2002, Pang wrote:

>Hi all,
>
>Just received a sample for a low torque potentiometer. As i checked it, I
>found that it is not suitable for my application. The torque is not low
>enough eventhough the potentiometer is classified as low torque. As such I
>would like to enquire, what is the estimated torque such that I can turn the
>shaft of a potentiometer using only one finger? Or maybe in another way...
>what is the torque for a normal desktop fan? Is such a potentiometer (with
>that level of torque) available?

To measure torque wind a few turns of twine on the axle, measure its
diameter (of the axle) and turn while adding weights on the twine (I use
coins put in a small plastic bag hung on the twine - our 10 Ag.  coins
weigh exactly 4 grams each). Use thin twine or the thinnest monofilament
fishing line you can find.

Peter

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