The AM-501 mounting fixture accommodates any Apogee mounting rod (e.g., net radiometer comes with a rod). This stainless steel mounting accessory can be mounted to a vertical or horizontal mast or pipe. It has 3 leveling screws that can be adjusted to level the sensor after tightening the bolts. The sensor rod can be mounted in three 90-degree positions (90, 180, 270). Mounting rod not included.