This is a double capsule expanded scale barometer with greater sensitivity and accuracy than any traditional marine barometer currently available. The scale ranges from 28.5" to 30.5" instead of the traditional scale of 27.5" to 31.5" in Hg. A numbered certificate of accuracy is included.
Features:
Polished brass, finished with a protective lacquer coating
The movement is calibrated for altitudes to 1,500' above sea level
Includes: complete instructions, mounting hardware, lifetime warranty, and a fresh battery as required
