temp gauge internals

[Konstantin Bogach]

I mean  heat source the temp of which is measured.

Konstantin Bogach wrote:

> 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/