For horizontal flush surface mounting.
3 lubber lines.
Compensation capsule available.
USCG Approved #160.014/9.
Used on most lifeboats.
Specifications For All Merkurs
Full spherical construction with internal gimbal system.
Accuracy of indication: less than or equal to 1.
Lag error: less than or equal to 1.
Oscillation period: greater than or equal to 5 sec. Exceeds the ISO Standards.
Temperature range: -22F to 158F.
Vibration resistance exceeds the requirements of the BSH (German Hydrographic
Seawater resistant, light alloy housing.
Super-strong glass dome, insensitive to ultraviolet radiation.
Red dazzle-free illumination.
Concave card with clear 5 graduation.
Glass dome guaranteed for life against cracking, crazing and yellowing under
Oscillation-free double bottom compensates volumetric changes.
Apparent card diameter: 4-3/4" (120mm).
Weight: 4 lbs. 8 oz.
Three year warranty on body.
Lifetime warranty on glass dome.