GB/T 37320-2019 English PDF

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GB/T 37320-2019: Ships and marine technology - Marine magnetic compasses, binnacles and azimuth reading devices
Status: Valid

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Basic data

Standard ID: GB/T 37320-2019 (GB/T37320-2019)
Description (Translated English): Ships and marine technology - Marine magnetic compasses, binnacles and azimuth reading devices
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U65
Classification of International Standard: 47.020.70
Word Count Estimation: 42,490
Date of Issue: 2019-03-25
Date of Implementation: 2019-10-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 37320-2019: Ships and marine technology - Marine magnetic compasses, binnacles and azimuth reading devices

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Ships and marine technology--Marine magnetic compasses, binnacles and azimuth reading devices ICS 47.020.70 U65 National Standards of People's Republic of China Ship and marine technology Marine magnetic compass, compass and azimuth reader Shipsandmarinetechnology-Marinemagneticcompasses, binnaclesand (ISO 25862.2009, IDT) Published on.2019-03-25 2019-10-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 magnetic compass 2 5 Compass Cabinet 7 6 Azimuth Reader (Class A, if Class B is installed) 10 7 logo 10 8 named 11 Appendix A (Normative) General testing and certification of marine magnetic compasses, compasses and azimuth readers 12 Appendix B (Normative) Test and Certification of Marine Magnetic Compass 13 Appendix C (Normative) Test and Certification of Azimuth Readers 21 Appendix D (Normative Appendix) Type testing and certification of the compass cabinet 26 Appendix E (Normative Appendix) Position of the magnetic compass on board 32 Appendix F (Normative Appendix) Determination of Safety Distance 36 Appendix G (Normative) Calibration of Magnetic Compass Deviation 37 Appendix H (Normative) Requirements for magnetic compasses for lifeboats/rescue boats 39

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the translation method equivalent to ISO 25862.2009 "ship and marine technology marine magnetic compass, compass cabinet and azimuth readings instrument". The documents of our country that have a consistent correspondence with the international documents referenced in this standard are as follows. ---GB/T 15868-1995 Global Maritime Distress and Safety System (GMDSS) Marine Radio Equipment and Maritime Navigation Equipment General requirements test methods and required test results (idtIEC 60945.1994) This standard is proposed and managed by the National Marine Electrical and Electronic Equipment Standardization Technical Committee (SAC/TC531). This standard was drafted. China Shipbuilding Industry Comprehensive Technology and Economic Research Institute. The main drafters of this standard. Wang Huizhen, Li Xinzhou, Yan Wenqi, Sun Meng. Ship and marine technology Marine magnetic compass, compass and azimuth reader

1 Scope

This standard specifies the structural and performance requirements for magnetic compasses, compasses, and azimuth readers for navigation and steering. According to ship design, regulations Two types of compass cabinets. This standard applies to liquid magnetic compass. --- According to the relevant rules for navigation and steering when the ship is sailing; --- has a direct reading system; --- Reflective, projection or transfer type. In this standard, the magnetic compass is composed of a pivoting guide system placed in a liquid-filled basin, and the pivot is often used inside and outside the basin. The flat frame is supported. This standard contains magnetic compasses with impervious flat frames. The requirements for gimbals do not apply to such magnetic compasses. This standard applies to. ---All applicable SOLAS Conventions (for ships with a total tonnage of not less than 150t for ocean-going voyages, and not for the total ton of ocean-going voyages) Ships of not less than 500t) and ships of Class A magnetic compasses; ---All ships that do not apply to the SOLAS Convention and install Class A or Class B magnetic compasses; --- Lifeboat/Lifeboat with Class B magnetic compass (detailed in Appendix H). This standard does not apply to. a) the magnetic compass of the dry dial; b) a magnetic compass designed differently from the above principles or a magnetic compass that does not conform to the given description; c) Hand-held magnetic compass. See Appendix G for testing and certification of magnetic compasses, position and deviation adjustment requirements on board.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 3898-2008 Terms of nautical magnetic compass (ISO 1069.1973, IDT) IEC 60945.2002 General requirements for marine navigation and radiocommunication equipment and systems - Test methods and test results (Maritimenavigationandradiocommunicationequipmentandsystems-Generalrequirements- Methodsoftestingandrequiredtestresults) IMOResolutionA.382(X) Proposal for Magnetic Compass Performance Standards (Recommendationsonperformancestand- Ardsformagneticcompasses)

3 Terms and definitions

The following terms and definitions as defined in GB/T 3898-2008 apply to this document. ......

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