Lars Thrane LT-500 AHRS Electronic Compass

Lars Thrane LT-500 AHRS Electronic Compass

The LT-500 AHRS Electronic Compass is a professional maritime heading sensor designed to deliver accurate navigation data for both leisure and commercial vessels. Featuring an advanced Attitude Heading Reference System with 11 precision sensors, it provides real-time information including true heading, magnetic heading, roll, pitch, air pressure, and temperature. The unit supports both NMEA 0183 and NMEA 2000 connectivity, allowing seamless integration with modern marine electronics. Compact, lightweight, and factory-calibrated, the LT-500 is built for reliable performance in demanding marine environments.

Technical Information

The LT-500 AHRS Electronic Compass is a high-precision maritime navigation sensor designed to provide reliable heading and attitude data for modern vessels. Built with an advanced Attitude Heading Reference System (AHRS), the device integrates 11 precision sensors to deliver highly accurate navigation information in real time.

Using sophisticated sensor-fusion technology and Kalman filtering, the LT-500 calculates and outputs critical navigation data including true heading, magnetic heading, roll, pitch, deviation, magnetic variation, air pressure, and temperature. This ensures stable and accurate data for navigation systems such as autopilots, chart plotters, and other onboard marine electronics.

The LT-500 supports simultaneous NMEA 0183 and NMEA 2000 communication, allowing seamless integration with a wide range of marine equipment. The NMEA output settings can be configured, including adjustable data rates and selectable message sentences, providing flexible system compatibility.

Designed specifically for maritime environments, the LT-500 is compact and lightweight, weighing only 104 g, and can be installed in any orientation without compromising performance. Each unit is factory calibrated and fully tested across temperature ranges to ensure dependable operation in demanding sea conditions.

The device operates in temperatures from −25°C to +55°C and requires minimal power consumption of less than 1 watt, making it an efficient and reliable solution for professional and recreational vessels worldwide. With global maritime certifications and advanced sensor technology, the LT-500 provides dependable heading and motion data for modern navigation systems.

Key Features

  • Advanced AHRS electronic compass with 11 precision sensors

  • Outputs true heading, magnetic heading, roll, pitch, deviation and variation

  • Provides air pressure and temperature data

  • Sensor-fusion technology with Kalman filtering for high accuracy

  • Supports NMEA 0183 and NMEA 2000 simultaneously

  • Configurable NMEA data rate and sentences

  • Factory calibrated and tested for reliability

  • Compact and lightweight design (104 g)

  • Low power consumption (<1 W)

  • Operating temperature −25°C to +55°C

  • Designed for professional and leisure maritime navigation