Section 10 Electrical control and instrumentation
Clasification Society 2024 - Version 9.40
Clasifications Register Guidance Information - Ship Vibration and Noise Guidance Notes - Chapter 7 Machinery vibration - Section 10 Electrical control and instrumentation

Section 10 Electrical control and instrumentation

10.1 IEC 92-504 requires that electrical, electronic and programmable equipment intended for control, monitoring, alarm, and protection systems in ships should operate satisfactorily within the following conditions:

General shipboard conditions.

  • displacement amplitude ± 1.5 mm in the frequency range 2 Hz - 13 Hz.
  • acceleration amplitude ± 10 m/s2 in the frequency range 13 Hz -100 Hz.

At special locations, for example directly on all engines, diesel engine exhaust systems, diesel generator sets, compressors, and in steering gear rooms:

  • displacement amplitude ± 1.5 mm in the frequency range 2 Hz - 28 Hz.
  • acceleration amplitude ± 50 m/s2 in the frequency range 28 Hz -100 Hz.
Parent topic: Chapter 7 Machinery vibration
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