The CSAT3A, CSAT3AH, CSAT3B, and CSAT3BH have been optimized for most terrestrial applications. If the sonic anemometer is to be used in a marine environment or in an environment where it is exposed to corrosive chemicals (for example, sulfur-containing compounds in viticulture), expect the sonic transducers to age more quickly and require replacement sooner than a unit deployed in an inland, chemical-free environment. Campbell Scientific offers a conformal coating option with our sonics to help alleviate corrosion; if your application poses a corrosive risk, consider adding this coating to your transducers. If possible, mount the sonic anemometer in a way that reduces exposure to saltwater spray/splash and/or corrosive chemicals. For applications that experience frozen precipitation, the heated versions of the CSAT3A and CSAT3B may be better suited.