Description

Lodestar is a solid state IMO approved Attitude and Heading Reference System (AHRS). The unit is

comprised of six sensing elements, three Ring Laser Gyros (RLG) and three linear accelerometers, running a Sonardyne developed gyrocompass algorithm.

Key Features

• Single box solution for motion sensor and gyrocompass

• 0.1º heading accuracy

• 0.01º roll and pitch accuracy

• <5 minute settling time

• 5cm / 5% heave accuracy

• Fast follow up speed of 500º / sec

• MTBF RLG >100,000 hours

   MTBF Lodestar >50,000 hours

• Choice of depth ratings: 1,000

     3,000 and 5,000 metres

• Surface version available

• Transport approved Li-Ion battery back up as standard

• Internal 4GB memory allows post processing of a 2 day mission

• Designed and approved to IMO Resolution A424(XI)

• Ethernet interface

• INS ready