mobeewan wrote:
westend wrote:
If it's an "outdoor sensor", why does it need to be protected at all?
Outdoor sensors doesn't necessarily mean totally water proof. I've thrown away 2 outdoor sensors used at home that wind blown rain had gotten under the battery cover. The batteries had rusted and corroded. Didn't know until the outside temperature wasn't displaying any more on the indoor receiver. The new one is hanging under the front porch now in the shade where wind blown rain can't get to it but air can still circulate around it for accurate measurement.
Permanently hanging under a trailer without bagging it is kinda like rain driven by severe tropical storm winds when driving in the rain. Weather proof / water resistant does not mean water proof under all conditions.
That makes sense. I hadn't thought about the effect of blowing rain on the sensor.
I have one of those cheap weather stations with a temp sensor and batteries inside. It is installed under a soffit on the garage. It hasn't failed from water, yet.