The all new MEMS LandMark20 MEMS AHRS is a low noise AHRS (Attitude and Heading Reference System) with excellent bias that provides internally temperature compensated RS485 output of angles, heading, altitude, delta velocity, delta theta and features ultra-low power consumption, small size and light weight. A complete turnkey software development kit with advanced features including direct PC interface, data recording, bandwidth and output rate selection is also available. Download AHRS Data Sheet Features: • Low Noise Silicon MEMS AHRS <0.028°/sec/√Hz • Fully Temperature Compensated Bias and Scale Factor • Compensated Heading, Altitude,G-Sensitivity & Misalignment • In Run Gyro Bias 30°/hour 1σ • Pitch, Roll & Yaw Angles ±0.5° • Altitude ±3 meter typical • Low Power < 1/3 watt typical • Light Weight 118 grams • Small Size < 67.5cm3/4.1in3 • Low Voltage +3.3V (single sided power) • Bandwidth 100 Hz (user selectable) • Bandwidth Filtering Capability • RS485 Output 200 Hz (user selectable) • Spare Analog Port for Air Data / Digital Port for Wheel Counter • Vibration Isolation • Precision Alignment • 3 Internal Temp. Sensors • Self Test • Shock Resistant • Long Life • Export Classification: Commerce ECCN7A994 Pending The LandMark20 AHRS is ideal for applications requiring ultra low power consumption, small size, light weight with no inherent wear out modes for long life. Spare ports are available for air data or wheel counter input that supports error correction for turning errors. The signature feature of the LandMark20 AHRS is the performance, which is optimized with fully temperature compensated bias, scale factor, heading, pitch and roll angle and altitude as well as compensated misalignment and g-sensitivity. The unit is highly durable and can withstand environmental vibration and shock typically associated with commercial aircraft requirements. The LandMark20 AHRS offers standard rate ranges of ±75°, ±150° or ±300°/sec and ±1.7g or ±10g of linear acceleration. Other ranges are available. This AHRS is well suited for low cost navigation, backup compass for racing yachts, antenna stabilization and pointing, general aviation as well as laboratory use. The LandMark20 AHRS is ideal where angle outputs coupled with small size, low power and light weight are desired for demanding applications.
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