temp gauge internals

[Konstantin Bogach]

I also would never think that bimetalic strip is used in the gauge which does
not have heat conductor between itself and heat source.

Konstantin Bogach.

Huw Powell wrote:

> Brett Dikeman wrote:
> >
> > Your analysis of the meter is correct; the strip heats up as the
> > temperature sensor decreases in resistance when it gets hotter; the hotter
> > the sensor, the more current flow.  As the strip warms up, it
> > curls(bimetallic, one side expands faster than the other) and the needle
> > moves.
>
> really?  wow, and I thought they were (damped) magnet/coil jobs.  Still
> having trouble grasping why they would use a bimetal strip like that...
>
> --
> Huw Powell
>
> http://www.humanspeakers.com/audi/
>
> http://www.humanthoughts.org/