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VideoRay

AHRS Module

The Mission Specialist AHRS – Attitude & Heading Reference System Module, also referred to as an IMU – Inertial Measurement Unit, provides feedback on the submersible’s orientation. Measurements include magnetic heading, attitude (pitch, roll) and rates of change. The AHRS also includes a pressure sensor to determine the depth.
SKU: 70273

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Features

9-Degree-of-Freedom IMU

Combines accelerometer, gyroscope, and magnetometer data for accurate real-time orientation feedback across all axes.

Integrated Magnetic Compass

Enables precise heading determination, essential for navigation and mission planning in subsea environments.

High-Accuracy Pitch & Roll Sensing

Delivers static pitch and roll readings within ±0.2°, and dynamic measurements within ±0.5°—ensuring confident control during movement.

Reliable Yaw Accuracy

Measures yaw with an accuracy of ±1.0°, supporting consistent heading alignment and directional awareness.

Built-in Depth Sensor

Includes a pressure-based sensor rated to 100 Bar as standard (with a 400 Bar option), providing accurate depth data across a wide range of operating conditions.

Exceptional Gyro Stability

Features a gyro bias stability of just 18°/hour, delivering low-drift performance for longer-duration missions.

Benefits

Enhanced Navigational Accuracy

By combining heading, pitch, roll, and depth data, the AHRS module provides reliable real-time orientation—crucial for maintaining precise positioning in dynamic underwater environments.

Increased Mission Confidence

With high-resolution motion sensing and low drift, operators can trust the data for steady piloting, even during extended operations or in low-visibility conditions.

Simplified Data Integration

The module’s compact, all-in-one design delivers essential telemetry—reducing the need for multiple sensors and simplifying ROV system architecture.

Specifications

Overview


 

9 DOF IMU and Magnetic Compass

Pressure-based depth sensor – 100 Bar, with 400 Bar optional

0.2° Static Roll/Pitch

0.5° Dynamic Roll/Pitch

1.0° Yaw

18°/h Gyro Bias Stability

Downloads

Mission Specialist AHRS
Product Data Sheet for the Mission Specialist AHRS
Format: PDF
Size: 0.24MB

Shipping & Billing

£25 per item to the UK.

Warranty, T&C's

Please view all product warranties here.

All other terms and conditions are located here.

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