Azimuth Circle of Magnetic Compass

Azimuth Circle of Magnetic Compass


The azimuth circle is a part of a magnetic compass, and it is used for measuring the azimuth or bearing of a celestial body, a landmark, or any other object. Our company mainly offer GFC serial azimuth circles of magnetic compass. The products are used for various specification of marine class A magnetic compass. The azimuth circles adopt aluminium alloy and diamagnetic brass, and hold the general advantages of simple structure, convenient operation and high precision, etc. GFC serial azimuth circles are designed and manufactured in accordance with shipbuilding industry standard of GB/T335-2005 (Marine Compass Azimuth Circle). There are 4 available models currently: CGF-165, CGF-165A, CGF-190, CGF-180. You may note that the model CGF-180 can be used for CGF-180 reflector magnetic compass and most of other magnetic compass. It adopts fixed mode by using positioning centre hole, the diameter of inner hole is 8mm. If you have additional requirement, you can contact us for more details.

Overview

Standard: GB/T335-2005.

Main technical data

  • Temperature range: -30℃+60℃

  • Deviation between the sight mark line on the prism box and the graduation zero line: ≤0.06mm

  • Deviation between the central line of the sight seam and the sight mark line: ≤0.5mm

  • Deviation between the sight seam and the sight line: <12’ (the left and right); <1’’ (in front and behind)

  • Material: high quality non-magnetic material

  • Azimuth circle can rotate easily on the compass and should not produce a sidewise motion leading a reading error of more than 2’’

Overall dimension

Type

Inside diameter

Outside diameter

Net weight

GFC-165

Ф226mm

Ф239mm

1.5kg

GFC-165A

Ф247mm

Ф260mm

1.7kg

GFC-190

Ф247mm

Ф260mm

1.7kg

Pictures of Azimuth Circle of Magnetic Compass

GFC series azimuth circle of magnetic compass

Azimuth Circle of Magnetic Compass1.jpg  Azimuth Circle of Magnetic Compass2.jpg

The CGF-180 azimuth circle of magnetic compass

Azimuth Circle of Magnetic Compass3.jpg

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