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Appendix B: F55/77 ADU Technical Specifications
B.3 F55/F77 Environmental Specifications
Item
Degree of protection
Ambient Temperature
Vibration
Icing
Wind
Ship motions: (MAX)
Equipment category
84
IP66 according IEC-529
Operational: -25° to +55°C
Storage: -40° to +80°C
Frequency range: 3-100 Hz
Acceleration spectral: 3-13 Hz, +12 dB/octave
Density: 13-100 Hz, 0.011 g2/Hz
Total RMS level: 1.0 g
Up to 25 mm of ice.
Normal operation with relative average wind
velocity up to 140 knots.
Roll: +/- 30°, period 8 sec., 0.5 g tan.
Pitch: +/- 10°, period 6 sec., 0.5 g tan.
Yaw: +/- 8°, period 50 sec.
Surge: +/- 0.2 g
Sway: +/- 0.2 g
Heave: +0.5 g
Turning rate: +/- 6 deg/s; 1 deg/s
Headway: 30 knots
Exposed to the weather - IEC-60945
F55/F77 Environmental Specifications
Specification
2
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