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AdaptCal™ provides continuous 3D adaptive in-field calibration with hard and soft magnetic interference compensation
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Integrated AdaptNav™ provides real-time noise characterization and active gyro drift compensation for superior heading, pitch, and roll performance in electrically and mechanically noisy environments
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Static Heading Accuracy, 0.2° RMS
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Small form factor, weighs 12.3g
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Very low power consumption, 60 mW, and Sleep Mode functionality, 16 mW
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Powerful user programmable sensor customization apps via NorthTek™ Forth interpreter
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High resolution, low noise magnetometers
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Advanced sensing technology (tri-axial magnetometers and MEMS accelerometers and gyroscopes)
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Magnetic and True North heading, pitch, and roll measurement
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Full 360° rollover capability using quaternions or rotation matrix
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“Figure of Merit” real time heading error indicator
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In-field calibration point selection and distribution indicator
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Quality of in-field calibration indicator
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Centripetal acceleration correction
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Supports multiple communication protocols
AHRS-M2
$1,850
Volume Pricing Available
The Sparton AHRS-M2 is a micro-sized, light weight, low power Attitude Heading Reference System with a revolutionary built-in adaptive-calibration mode. Sparton AdaptCal™ provides continuous 3D adaptive in-field calibration while Sparton’s AdaptNav™ sensor fusion algorithms allow the system to provide accurate attitude and heading outputs.
| Dynamic Heading Accuracy | 1.0° RMS |
|---|---|
| Static Heading Accuracy | 0.2° RMS (<1.0⁰ RMS from -40⁰ to +70⁰ C) |
| Dynamic Pitch/Roll Accuracy | 1.0° RMS |
| Static Pitch/Roll Accuracy | 0.2° RMS |
| Pitch/Roll Repeatability | 0.1° RMS |
| Pitch/Roll Range | ± 90°, ± 180° |
| Accelerometer Range | ± 4g (± 1g) |
| Accel Noise Density | 250 ug/√Hz |
| Accel Bias Stability | 0.07441 mg |
| Accel Velocity Random Walk (VRW) | 0.09123 (m/s)/√Hr |
| Gyro Dynamic Range | ± 500°/sec (± 300°/sec) |
| Gyro Noise Density | 0.04 dps/√Hz |
| Gyro Bias Stability | 6.415°/Hr |
| Gyro Angular Random Walk (ARW) | 0.2546°/√Hr |
| Magnetic Range | ±1.2 Gauss (±900 MGauss)2 |
| Update Rate (Samples/Sec) | 10, 100 |
| Baud Rate | 1.2, 2.4, 4.8, 9.6; 19.2; 38.4; 57.6; 115.2 kbaud |
| L x W x H | 38.4 x 22.9 x 9.1 mm (1.51 x 0.90 x 0.36 inches) |
| Mass | 12.3g |
| Storage Temp | -40° to +85° C |
| Encapsulated or Enclosure | Yes |
| Operating Temp | -40° to +85° C |
| Operating and Storage Temperature | -40° to +85° C |
| Humidity Resistance | 95%, 70° C, 24 hrs Meets MIL-STD-202G – Method 103A, Test Condition A |
| Shock Resistance | 5000g, 1ms Pulse, Half-Sine Wave |
| Vibration Resistance | .02 dB Power Spectral Density, 5.35 G RMS, Meets MIL-STD-202G – Method 214A, Test Condition I/C |
| Power Supply | +4 to +10V DC |
| Input Power, Operating Mode (Typical @ 4V) | 60 mW |
| Input Power, Sleep Mode (Typical @ 4v) | 16 mW |
| 3.3V Logic UART Interface | Yes |
| 3D and Adaptive In-Field Calibration | Yes |
| Able To Maintain Function When Inverted | Yes |
| Quaternion/Rotation Matrix Output | Yes |
| True North Heading Output | Yes |
| Includes World Magnetic Model | Yes |
| RoHS Compliant | Yes |
| Maximum Magnetic Inclination (Dip) | ± 80° |
| NorthTek™ User Programmable Customizations | Yes |
| Fully Temperature Compensated | Yes |
Downloads
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AdaptNav Datasheet
Product Datasheet for AdaptNav
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NorthTek Datasheet
Product Datasheet for NorthTek
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AHRS-M2 Integration Guide
Integration and Calibration Guide for the AHRS-M2
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AHRS-M2 Quick Start Guide
Quick Start Guide for the AHRS-M2
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AHRS-M2 Software Interface Control Document
Software Interface Control Document (ICD) for the AHRS-M2
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AHRS-M2 Hardware Interface Control Document
Hardware Interface Control Document (ICD) for the AHRS-M2
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NorthTek Programming Manual
User Manual for the NorthTek Programming Language
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AHRS-M2 NorthTek Script Files
NorthTek script files for the AHRS-M2
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AHRS-M2 Assembly STEP Files
STEP file for AHRS-M2 Assembly
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Remote Function Select (RFS) Protocol Suite
Remote Function Select (RFS) Protocol Suite for AHRS-M2
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AHRS-M2 Version 2.7.3 Release Notes
AHRS-M2 Release Notes for Software Version 2.7.3
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AHRS-M2 Version 3.0.5 Hex Files
Hexidecimal files for the AHRS-M2 Software Version 3.0.5
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Application Note 1008E
Firmware upgrade procedure for the AHRS-M2
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