177HDS – Humidity sensor for wall mounting
![](https://rstechnics.nl/wp-content/uploads/2017/04/177wd-wandsensor-rvs-klein.png)
Humidity sensor with mounting plate for wall mounting.
The 177HDS is a fully stainless steel sensor with a cut away measuring point and has a rear flange for wall mounting. This sensor is specifically intended for measuring the relative air humidity.