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Heading Sensors - TRAX - AHRS Module

The first affordable AHRS that stays on track
while moving, even through magnetic distortion.
Ideal for unmanned vehicles and navigation systems.


TRAX - No Room for Error

Unmanned vehicles are performing progressively more complex tasks and requiring increasingly robust and accurate heading and orientation information. But existing attitude, heading reference systems (AHRS) leave too much room for error. They lose heading when encountering magnetic distortion; they suffer from errors when experiencing erratic motion and often don’t provide accurate heading, even in a static environment. At more than $2000 for a MEMS-based AHRS, it’s no wonder AHRS have only been integrated by a select few customers, TRAX is a more economical option.

The 9-Axis TRAX AHRS module provides unparalleled heading accuracy when static, while moving and when encountering magnetic distortion. TRAX employs a patented Kalman filtering algorithm that intelligently fuses PNI's patented geomagnetic sensors with gyroscopes and accelerometers to overcome errors due to erratic motion and changes in the local magnetic field. TRAX is priced for commercial use - delivering more reliable heading than AHRS modules that cost twice as much.

Trax-AHRS-Module Trax-Module

So when there’s no room for error, Trax stays on track.

• 3-axis measurement
• High accuracy
• Magnetic distortion compensation
• Multiple field calibration options
• Low power consumption
• RS232 and USB interface
• RoHS compliant



     
PERFORMANCE SPECIFICATIONS1  
Heading Range 360°
  Static Accuracy (2)  0.3° rms
  Accuracy in presence of magnetic transient and / or dynamic motion (3) 2° rms
  Resolution 0.1°
  Repeatability (4) 0.05° rms
Tilt Range ±90 of pitch; ±180 of roll
  Accuracy 0.2° rms
  Resolution 0.01°
  Repeatability (4) 0.05° rms
Maximum Dip Angle   85°
I/O Characteristics
Communication Interface   RS232 & USB
Mechanical Characteristics
Dimensions (l × w × h)   3.5 × 4.3 × 1.0 cm
Weight   7gm
Power Requirements
Supply Voltage (unregulated)   3.8 – 9 VDC
Current Draw (in AHRS mode)   55 mA
Current Draw (in compass mode)   28 mA
Temperature Range
Operation   –40 to +85°C
Storage   –40 to +85°C

1 Prodcuts specifications are preliminary and subject to change

2 Compass mode

3 AHRS mode

4 When TRAX remains stationary and magnetic field is changed  

 

For more information and pricing on the TRAX AHRS module:  Contact Willow +44 (0) 1342 717102

 

Willow Technologies Ltd. Unit 3 Borers Yard, Borers Arms Road, Copthorne, West Sussex, RH10 3LH, UK

Tel: +44 (0) 1342 717102, Email:

CORPORATE: Solid State Group

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