Product Name: Azimuth Circle for Magnetic Compass Model NO.: 1-1 Condition: New Gender: Men Application: Special Usage: Travel, Military Material: metal Noctilucence: Without Noctilucence Quakeproof: Quakeproof Waterproof: Waterproof Display Methods: Digital Carrying Type: Hand-hold Function: Navigation Temperature Range: -30~+60celcius Internal Dia.: 226 Outer Dia.: 239 Weight: 1.6kgs Orgin: China Quality: Excellent Certificate: CCS Certificate Key Word: Magnetic Compass,Marine Compass Trademark: TRUST Transport Package: by Wooden Cases Specification: as client's requirement Origin: China Product Description Products name: Azimuth Circle for Magnetic CompassDescription: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 ofthe celestial body by eye and determing the ship's position to conduce to safe sailing.Main Technical Parameters:1) Temperature range: -30~+60 Celcius.2) Deviation between the sight mark line on the prism box and the graduation zero line≤0.06mm3) Deviation between the central line of the sight seam and the sight mark line≤0.5mm.4) Deviation between the sight seam and the sight line<12'(the left and right)5) 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°TypeInternal Dia.mmOuter Dia.mmWeight kgs12262391.622472601.731651710.742472601.652472601.7HEY, IF YOU ARE INTERESTED IN OUR PRODUCTS, PLEASE FEEL FREE TO ConTACT ME.Quality is our culture.