I needed suitable liquid filled thermometers to set up a fixed station wet bulb/dry bulb psychrometer. I searched the usual eBay sources and came up empty. I finally located a new-in-box sling psychrometer in the listings, so I purchased that and planned on using the thermometers for my fixed-station setup. Continue reading
It has been forecast that my area will have bitter cold temperatures for a few days next week. Now is the time to do a bit of prep work to make sure that the station stays online and provides useful data.
I’ve replaced the Temp/Hum sensor several times over the years as they seem to last about 3 or 4 years before they start showing signs of inaccuracy. The current sensor that I am using now is a Sensiron SHT31 that I purchased from Scaled Instruments in Fl. Continue reading
One thing about the Cotton Region Shelter design is that it’s made of wood. Even though it is painted white, it still has a lot of thermal mass on the outside and it tends to unevenly heat the interior, especially on very hot and still days. I built a solar powered fan aspirator to hopefully even out the temperature spikes seen on the daily graphs during the hottest part of the day. Here is how I constructed it. Continue reading