[Elecraft] Preventing Condensation

Steve Stutman radiorobots at gmail.com
Wed Jan 27 16:52:39 EST 2021


 Hi All,

Condensation on surfaces, to include the interior and exterior of
equipment, is a function of ambient temperature and relative humidity.

At a given RH, we know the temperature at which condensation occurs as the
Dew Point.

I agree with previous posts that increasing temperature (above the Dew
Point) will prevent condensation and suggest that this is a lot easier in
"drafty" volumes than is reducing the humidity.

I have a very well insulated house in New England with an uninsulated
drafty basement shack; somewhat better than a tent.

I suggest that to prevent condensation in and on gear, it is simpler and
more economical to just leave the gear on.

Enough heat is produced, in my experience, and it is produced in the right
place.

We are not worried about filament lifetime in modern gear.

Leaving a large Xcvr on consumes maybe 20-40W, while heating my shack 15F
degrees electrically, consumes over 2kW.

73,

Steve

KL7JT


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