A few thoughts on heat tests and heaters

[Rob]

Martin Czech wrote:
> 
> > I d
> > The second problem I encountered was when using freeze spray, because there
> > will be water condensing on the circuit which causes leakage currents.
> 
> Right. Would be a very bad thing, since little currents are involved.
> Better heat only.

I saw a schematic on a radar transmitter for a air traffic control
tower.. it had a seperate schematic for nitrogen lines.. nitrogen is the
only way to cool without condensation supposedly..
rob