CGY-165 Marine Projection Magnetic Compass
GENERAL DESCRIPTION
CGY-165 Marine Projection Magnetic Compass is specially suitable for various kinds of large and medium merchant ships and naval service vessels to indicate the heading and determine the azimuth. With the help of a excellent optical projection system, the operator can easily and precisely observe the ship's heading in wheelhouse.
The compass can be conveniently mounted on the compass desk (the top of wheelhouse), the optical cylinder within the binnacle can stretch into the wheelhouse through the base of binnacle. Partial image of the car of compass bowl can be displayed on the plane mirror at the end of the optical cylinder.
It is designed to meet the technical requirements of GB/T14108-93 and ISO-449 standards referring Class A magnetic compass.
STANDARD CONSTRUCTION
Compass bowl
Binnacle
Helmet
Optical cylinder
Reflector divice
Illumination adjustor box
Correcting tools: Ø 6.7*30 correcting magnet; Correcting sheet for quadrant deviation; Flinder's bar
| Card diameter | Ø 165mm |
| Card graduation | 0° ~365° , 1° Per graduation |
| Operating temperature | -30° C~+60° C |
| Directional error | Not more than 0.5° |
| Semi-period | (H=34μ T, T=20° ± 3° C) not less than 8.8sec |
| Friction error | (H=34μ T, T=20° ± 3° C) not more than 0.088° |
| Flexible range of optical cylinder | ± 50mm |
| Enlarge factor of card's image | 2 |
| Correcting capacity for coefficient B, C | (H=34μ T) 0.5° ~40° |
| Correcting capacity for coefficient | D 0.5° ~10° |
| Correcting capacity for coefficient H | -75μ T~+75μ T |
| Correcting capacity for Flinder's bar (Q=45° ) | Not less than 6° |
| Overall dimensions | 446*774*1332mm |
| Total weight of the compass | 68kg |
| Cylinder Length | 455mm, 700mm, 1000mm, and for selection to adapt to the different deck height. The other length is also available on request |
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