JMA-9100/7100 Installation Manual > 2.INSTALLATION OF SCANNER UNIT > 2.4 PRECAUTIONS
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2.4.3 Scanner installation position
1) Physical selection criteria
• Install the scanner at the center of the mast on the keel line.
• If the scanner cannot be installed at the above position for some reason, the amount of
deviation must be minimized. And, reinforce the mount base and the platform and take
precautions to protect the scanner from vibration and impact at the installation position.
To avoid the radiating section coming in contact with other installed objects while it is rotating,
ensure that there is at least 200 millimeters from the swing circle (turning radius) to other installed
objects (Fig 2-22). The swing circle of the JMA-7100/9100 radar's scanner is as shown in Table 2-
5.
Fig 2-22: Installation of scanner
Tab l e2- 5 ： Swing circle
Scanner unit (length) Swing circle
NKE-2103-6/6HS (6ft)
NKE-1125-6 (6ft)
NKE-2254-6HS (6ft)
1910mm
NKE-1129-7 (7ft) 2270mm
NKE-1125-9 (9ft)
NKE-1129-9 (9ft)
2825mm
NKE-1130/1139 (12ft) 4000mm
min-height
必要最小高
さ
min-offset
オフセット
最小
Over 200m
200m 以上
reinforcing member
補強材
Over 200mm
200mm 以上
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