Moisture sensor for flush-to-floor shower

Hello!

I would like to install a moisture sensor for my walk-in shower (presumably in the fill or on the raw ceiling) to prevent water damage. Does anyone know of such sensors? Are there possibly even packages sold specifically for this purpose? I prefer this solution to DIY (I am a mechatronics technician).

Search for "Busch-Feuchtigkeitsalarm-Einsatz 1531 U". There is a sensor strip for this that you can probably insert into the ground.

Thank you! That is exactly what I was looking for!

Wow, there is so much out there....

Signs Signs Signs

Is a professional installing this? If not, break up the entire concrete ceiling, only to possibly discover a false alarm that nobody will pay you for..