Sensor array loses signal at night, Osprey Series
1 . Replace the batteries.We recommend Energizer Lithium Ultimate batteries like the following:
https://www.amazon.com/Energizer-Ultimate-Lithium-Batteries-Each/dp/B00003IEME
Lithium batteries have a wide temperature operating range. They operate between -40 degF and 140 degF. Alkaline batteries only operate to about +10 degF.
Rechargeable batteries often have a limited life and mean constant replacing, as well as a narrow temperature range.
If the problem persists, the sensor array needs replacing. We have a one year warranty. Please visit:
www.AmbientWeather.com/rma.html
If out of warranty, the sensor array can be replaced here: