Top boom, 3.5 m
- 1x vertical tube, D1 = 1 1/2"; D2 = 1"; L = 3.5 m, with insulation adaptor
- 1x lightning rod, ca. 0.8 m higher than the vertical tube
- 2x mast mounting adaptor D1 = 1 1/2" - D2 = 2".
By using the top boom the upper anemometer will be placed app. 3.0 m above the last truss of the mast.