NorthStar 4 KW RADAR Installation Manual page 8

Only qualified personnel should install or service this equipment. Installation or servicing work that is done by
non-qualified personnel can result in equipment breakdown, poor performance of the equipment, fire, electrical
Wear safety equipment such as a hard hat and a safety belt at all times when installing or working on the scanner.
The scanner is usually installed in an elevated position and serious injury or death can result if a person falls while
installing or working on it. It may be necessary to construct a working platform, particularly for the installation.
Install the scanner in an elevated position to minimize the radiation hazard to personnel.
Radar scanners emits electromagnetic energy at a frequency that can be harmful at close range. Always keep the
Scanner Vertical beam
Model angle of scanner
(degrees)
2 kW 30
4 kW 25
6 kW 20
10 kW 20
25 kW 20
NOTES: Limits apply to exposure within the vertical beam angle.
Note 1: Peak occupational exposure limit pursuant to IEC 60936 Clause 3.27 and IEC 62252 Clause 4.32
Note 2: General public exposure limit pursuant to IEC 60936 Clause 3.27 and IEC 62252 Clause 4.32
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and physical hazards, injury or death.
Never look directly into the scanner at close range while the radar is operating.
recommended safe distance from the scanner as follows:
Minimum safe distance
Watts per m² average power
density) Note 1
1.6 ft (0.5 m)
3 ft (0.9 m)
3.6 ft (1.1 m)
9.5 ft (2.9 m)
18 ft (5.5 m)
(100 Minimum safe distance
Watts per m² average power
density) Note 2
4.6 ft (1.4 m)
9.3 ft (2.8 m)
11.5 ft (3.5 m)
3 ft (9.0 m)
57 ft (17.4 m)
Northstar 4 kW Radar Installation Manual
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