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This exceptional black compass is U.S. Coastguard approved for use on lifeboats. It can be flush mounted and can withstand extreme weather conditions. The black housing of the compass is seawater resistant and made of a light alloy. The super-strong glass dome is insensitive to ultraviolet rays and is guaranteed for life against cracking, crazing and yellowing under normal use.
This Merkur SE Compass is manufactured by C. Plath in Germany and features a full spherical construction with an internal gimbal system which accommodates all angles of heel without compromising accuracy. The oscillation-free double bottom compensates for volumetric changes.
The accuracy of indication, lag error, and oscillation period all exceed the International Organization of Standards norm. Additionally, the compass vibration resistance exceeds requirements of BSH (German Hydrographic Institute).
Other features include:
Red glare-free illumination
Concave card with clear 5 degree graduation
3 lubber lines
For horizontal flush surface mounting
Accuracy of indication: less than or equal to 1 degree
Lag error: less than or equal to 2 degrees
Oscillation period: greater than or equal to 4.7 sec