The LT-500 Attitude Heading Reference System (AHRS) unit is a maritime navigation product from Lars Thrane A/S. The LT-500 AHRS unit is designed for the leisure as well as the professional maritime markets. The LT-500 unit meets all standards and certification requirements needed for worldwide maritime navigation equipment.
PERFORMANCE
The LT-500 AHRS unit is a small, compact, and very advanced unit with 11 precision sensors. With the use of sensor-fusion and Kalman filtering, the LT-500 AHRS unit outputs: true heading, magnetic heading, roll, pitch, air pressure, and temperature real-time, with high precision and resolution. The LT-500 AHRS unit includes advanced technologies such as:
• Kalman filtering
• Compensation of variation by use of the World Magnetic Model (WMM)
• Compensation of soft and hard iron (deviation)
• Automatic magnetometer calibration algorithm
The LT-500 AHRS is designed and built for the demanding and rough environment at sea and with an operational temperature range from -25⁰C to +55⁰C (-13⁰F to +131⁰F).
Installation & Navigation
The LT-500 AHRS is easy to mount and supports NMEA 0183, NMEA 2000, and power on a single cable. The LT-500 AHRS may be installed in any position. The LT-500 AHRS has a built-in user interface (display and control buttons) for installation and service. Navigation output from the LT-500 AHRS is available in the user interface. The LT-500 AHRS supports automatic levelling (pitch and roll), which can be used during the installation. The built-in magnetometer calibration algorithm will compensate for deviation. The external LT-Service Tool is available for optional configuration and maintenance of the LT-500 AHRS.