IS 4045-1982
百检网 2021-07-17
标准号:IS 4045-1982
发布日期:1983/4/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard deals with the general requirements of magnetic compasses, binnacles and azimuth reading devices, Class A, intended for maritime navigation, having a direct reading system which may be reflecting, projecting or transmitting type.1.2 For the purpose of this standard, a magnetic compass is an instrument consisting of a directional system supported on a single pivot inside a bowl which is completely filled with liquid, and which is supported in gimbals inside or outside the bowl. Homispherical compasses, which are not supported in gimbals are also covered in this standard and as such requirements relating to gimbals do not apply to them.1.3 This standard does not deal with dry card compasses and compasses designed on principles different from those stated above.
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