Campbell Scientific CM6/CM10 Tripod Weather Station Installation - Manual (Page 14)

Section 2. CM6/CM10 Tripod Installation
2.1 Specifications
CM6 Tripod
Maximum height (zero leg extension) 7.5 ft (2.3 m)
Minimum height (full leg extension) 5.5 ft (1.7 m)
Wind Load (Wind Sensors at 2 meters)*
Maximum wind load 100 mph
Gust survival 130 mph
Tripod Leg Diameter (See Table 2-1)
d = diameter
h = height at top of bell reducer
d = 2 (4.834 + (54.5 2 - (h - 42.4) 2 ) 0.5 )
CM10 Tripod
Maximum height (zero leg extension) 11 ft (3.4 m)
Minimum height (full leg extension) 7.2 ft (2.2 m)
Wind Load (Wind Sensors at 3 meters)*
No Guy Wires
Maximum 70 mph
Gust survival 100 mph
With Guy Wires
Maximum 120 mph
Gust survival 150 mph
Tripod Leg Diameter (See Table 2-2)
d = diameter
h = height at top of bell reducer
d = 2 (4.834 + (78.75 2 - (h - 62.35) 2 ) 0.5 )
*Wind Load data assumes 4.5 ft 2 of area placed at the top of the tripod mast
TABLE 2-1. CM6 Heights and
Leg Diameters
Height mark is 1 1/4 inch above bell reducer
Height (In)
Diameter (In)
70 104 6/8
72 102 3/8
74 99 6/8
76 97
78 93
6/8
TABLE 2-2. CM10 Heights and
Leg Diameters
Height (In) Diameter (In)
109 138
111 135
1/8
113 131 7/8
115 128 1/2
117 125
2-2