[JA]

Hi R,

Given your space constraints you could consider a large inverted plastic bin, with the mount and part of the pier sealed inside the bin, wrapped in a towel or two. I would choose an opaque white bin and/or use reflective foil on the outside to help reduce heat somewhat and maybe even use some insulation on the inside surface of the bin. Keep the bin as small as possible to limit the amount of entrapped air and hence water vapour. If you wanted to go crazy you could even do something to limit heat conduction via the pier to the mount and/or use a double walled bin construction in conjunction with the previously mentioned reflective foil.

Also ensure the pier is on/over a concrete slab, rather than over grass so as to limit localised moisture / humidity.

The goal should be to achieve as stable an environment as possible inside the enclosure, free from water and extremes of high and low temperature and moisture so as maintain the service life of electronics, rolling/sliding surfaces, lubricants and minimize corrosion.

Best
JA