The 25299 is an optional mounting kit for the WXT520. It provides better water protection. When using the 25299, the WXT520's IP classification is IP66; otherwise, its classification is IP65. The 25299 fastens to a crossarm via the CM220 bracket or 17953 Nu-Rail fitting.
Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.
The 25299 is compatible with the WXT530 series of all-in-one sensors, manufactured by Vaisala.