磁罗经方位圈GFC SERIES AZIMUTH CIRCLE

GFC series Azimuth circle

    GFC Series Azimuth Circle for magnetic compass can be used for various kinds of Class A magnetic compass.They can be fitted 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 Series Azimuth Circle according to compass diameter, GFC-130 /2 ,GFC-165,GFC-190 ,  and for foreign country compass used GFC-165A ,GFC-190A ,GFC-190B,GFC-190C,GFC-190D AND ASZ-190.

1.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°(infront and behind)

  Material  high quality non-magnetic material

  Azimuth circle can rotate easily on the compass and shouldn’t produce a sidewise motion    leading a reading error of more than 2°