GFC serial azimuth circles of magnetic compass

GFC serial azimuth circles of magnetic compass are used for variouds kinds of

marine class A magnetic compass.They can be filted to the standard magnetic compass and used for observing objects and azimuth of the celestial body by eye and determining the ship’s position to conduce to safe sailing. GFC serial azimuth circles are designed and

manufactured in accordance with shipbuilding industry standard

GB/T 335-2005 Marine Compass Azimuth Circle .

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 c 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’t produce a sidewise motion leading and reading error of more than 2°