Hydroclean
HYDROCLEAN_P is an accessory for the OPTOD probes (oxygen) and NTU (Turbidity, TSS mg/L). Its purpose is to clean the surfaces of the sensors using a mechanical brush. It is fastened directly to the body of the probes, or to a wall with an optional wall-mount device (PF-ACC-C-00435). HYDROCLEAN_P comes in the 2 versions (OPTOD and NTU sensor).
Datasheet