UFH dryness/humidity checker tool recommendations

[readiescards]

Any recommendations for a suitable tool/device to purchase to monitor my ufh screed dryness?

Thanks

Paul

[ragg987]

I used one of these which I purchased off eBay, though mine was an older model with an analog dial and not a digital display (no batteries required!)

http://www.merlinlazer.com/Hygrohood-Relative-Humidity-Floor-Box

 

I probably still have it around, so if interested we can do a deal.

[readiescards]

Thanks @ragg987 meter working great :-)

 

As a comparison I seal a calibrated (or so it says on box) cheap digital temperature and humidity meter in a plastic bag - gave approx the same reading:

 

[ProDave]

What guys do up here is simply tape a bit of clear plastic over the floor. If you see any moisture under it, it's too wet to lay the flooring.