Has anyone ever tried this extremely accurate hygrometer? Now with video on post #8

[Wyogirl]

I have used them and they do work but....................... after 4 hatches it didn't read humidity, soo am gonna try to get a new battery, but it did do a great job.
Ayda

 

[jenlynn4]

OH thanks! Yes you would need spare batteries I would bet...You can get them fairly cheap I think they were asking like 6 bucks for 4 of them. NOt bad. You can probably get the battries at the walmart watch department. Thats where I found soem for my brinsea spot check thermomitor.