Campbell CS475 Manuel d'utilisateur télécharger pdf (Page 13)

User Manual

Table 4-2. Radiation Beam Spread for CS475

(10° Beam Angle)

Distance in Metres Diameter of Footprint in Metres

1 0.18

5 0.87

10 1.76

15 2.64

20 3.53

Table 4-3. Radiation Beam Spread for CS476/CS477

(8° Beam Angle)

Distance in Metres Diameter of Footprint in Metres

1 0.14

5 0.70

10 1.41

15 2.11

20 2.81

30 4.216

70 (CS477 only) 9.84

3. Securely mount the sensor.

4. Use a user-supplied bubble level or the #25619 bubble level to make certain the

antenna horn is aligned within 1° of vertical. The cap needs to be removed

when using the #25619. If the antenna is not vertical, a trigonometric

measurement error can occur with respect to the water. The maximum range is

reduced because of the off-axis return signal.

5. Orient the sensor such that one of its polarization markings is aligned towards

the wall or pier (see Figure 4-1 and Table 4-4).

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Campbell CS475 Manuel d'utilisateur Page 13