The Qualisys Active Traqr is a compact and lightweight trackable object, also known as a target. Traqr provides accurate and stable positional and orientational information about the object or body part to which it is attached. Get accurate and stable positional and orientational information with our active and passive rigid bodies.
The Traqr is plated with four active markers. Active targets emit light, rather than reflect light, allowing tracking of 100+ targets without the need for unique marker patterns. Sequence coding of the individual markers enables the system to distinguish them from each other, resulting in stable and trouble-free target identification.
Automatically track with active rigid bodies
Use the bare-bones version for embedding into props or objects
Enable full-body tracking through end-effector skeleton solving in QTM
Combine both passive and active Traqrs for flexible workflows
Mount easily on nearly any object with versatile accessories
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The Qualisys Active Traqr delivers powerful, precise tracking in a compact and lightweight form. Also called a target, the Traqr actively provides accurate and stable positional and orientational data for any attached object or body part. By combining both active and passive rigid bodies, you can achieve even greater tracking accuracy and reliability.
The Traqr integrates four active markers. Unlike passive targets that merely reflect light, active markers emit light, which allows you to track more than 100 targets at once without requiring unique marker patterns. Furthermore, the system uses sequence coding to differentiate between markers, ensuring smooth, stable, and error-free target identification.
The Active Traqr includes a screw mount and a rechargeable battery that lasts up to 20 hours on a single charge. You can easily recharge it with a standard USB-C charger (not included).
In addition, you can track virtually any object with the bare-bones Traqr—a circuit board designed for embedding directly into props and devices. Thanks to a wide selection of mounting accessories, you can securely attach the Traqr to almost any object with minimal effort.
The Traqr ecosystem equips you with everything needed for your (LB)VR project, from body tracking to head-mounted display (HMD) solutions. Each component integrates seamlessly, making setup and use straightforward.
Automatically track with active rigid bodies
Use the bare-bones version for embedding into props or objects
Enable full-body tracking through end-effector skeleton solving in QTM
Combine both passive and active Traqrs for flexible workflows
Mount easily on nearly any object with versatile accessories
Naked Traqr – Embed the bare-bones circuit board into props for object-level tracking.
Full-body skeleton solving in QTM – Achieve seamless full-body tracking with end-effector skeleton solving.
HMD tracking – Use the clip-on with built-in active tracking for effortless head tracking.
Perfecting VR – Harness the full Traqr ecosystem to build and optimise your (LB)VR projects.
With the Traqr, you can track up to 185 objects simultaneously at speeds of up to 500 fps, ensuring both precision and stability in even the most demanding environments.
| Range | 35 m (115 ft) with Arqus A12 |
| 16 m (52 ft) with Miqus M3 | |
| Battery time | 20 hours @ 100 fps continuous measurement |
| Charging time | 2 hours |
| Connector | USB-C |
| LEDs | 4 wide-angle, NIR LEDs with diffusion |
| Sequence coded LEDs | 0 – 4 |
| Synchronization | Optical |
| Maximum frequency | 500 Hz |
| Number of Traqrs supported | 185 |
| Material | Polyamide, silicone rubber |
| Dimensions | 70 × 85 × 21 mm (3.75 × 3.35 × 0.85 in) |
| Weight | 70 g (2.5 oz) |
| Operating temperature range | 0 –50 °C (32 – 122 °F) |
