I just got an email reply back from Ecowitt clarifying the PSU voltage difference.
Thanks for contacting.
Sorry for the confusion.
It should be 12V. The 12V is the upgraded version to help melt the ice better.
We have updated the description on our website now.
Any other question, please let us know.
I think,
better is the key word here.
It might work quite well at lower temperatures, and with more ice than snow - that's still to be found out (whether by me I cannot tell as the conditions may not be such here).
But at temperatures between -3°C and 0°C and snowfall, it doesn't see to work completely yet.
My WS80 heating unit switches on every now and then and starts consuming 15 W.
Can tell from my consumption meter app. I don't have an IR camera.
Looks like the lower part is ice free and functional - the wind values look reasonable and are in tune with my WH65.
But the solar panel and light receptor were covered by snow and ice.
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Needed to unpack my drone to make the photo(s).
When the pictures were taken the WS80 and my WH31-EP showed still -2°C.
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Would have been difficult to take it down as the mast constrution was covered with frozen snow and ice.
Finally I had to take a broom with a long stick and my kitchen step-ladder to remove the snow cap.
Now the light readings are back again in tune with the WH65
(whose solar panel and light sensor I also had to liberate from snow and ice manually - but it's not so high up like my WS80).
Maybe it also has to do with the snow type / structure.
While yesterday we had rather compact snow, over night a very light and "puffy" type of powder snow fell and built up.
I know as last night I removed the snow from the WH40 funnel, and it had a different, more compact and heavy consistency.
I don't have an Inuit vocabulary - the native Greenlanders have 50 words for different types of snow.