IS 8638 Pt.2-1989 Shipbuilding industry - Class A magnetic compasses, compasses and azimuth reading devices - Specification for testing and certification Part 2 Azimuth reading devices
This standard (Part 2 ) deals with the test procedures and acceptable limits of performance of Class A azimuth reading devices necessary to establish conformity of newly developed devices with the requirements laid down in IS 4045 : 1982.
IS 8638 Pt.2-1989 history
1990IS 8638 Pt.2-1989 Shipbuilding industry - Class A magnetic compasses, compasses and azimuth reading devices - Specification for testing and certification Part 2 Azimuth reading devices
1978IS 8638 Pt.2-1977 Test specifications for magnetic compasses and compasses Category A Part II Individual testing of magnetic compasses and bearing reading devices