Exploring the Accuracy of the Faro Quantum ScanArm: A Comparative Analysis

The Faro Quantum ScanArm has garnered attention as a powerful tool for capturing detailed measurements and intricate scans. In this blog post, we will delve into the accuracy of the Faro Quantum ScanArm and provide a comparative analysis with other Faro arms, shedding light on its performance and capabilities.


The Faro Quantum ScanArm is renowned for its versatility and high-performance capabilities. It combines a portable CMM (Coordinate Measuring Machine) with a 3D scanner, allowing users to capture intricate details and dimensions. The Quantum ScanArm boasts impressive specifications, including accuracy levels of up to ±0.018 mm (0.0007 in) and a volumetric accuracy of up to ±0.064 mm/m (0.0008 in/ft).


(FARO® Scanarm, Laser ScanArm®, User Manual September 2016) The ScanArm precision is separated into two values; one measuring with the 6 mm ball probe, and one measuring with the Laser Line probe. Measurements are well distributed in all regions of the working volume. For more information, see “Calibration” on page 42.



(FARO® Scanarm, Laser ScanArm®, User Manual September 2016)  The probing precision is 0.075 mm (0.003 in).

Probing precision is measured by probing a single sphere from multiple orientations and represented the maximum deviation of sphere position.



(FARO® Scanarm, Laser ScanArm®, User Manual September 2016)  The system precision is 0.100 mm (0.004 in).

System precision is measured by scanning a single sphere from multiple orientations and represents the maximum deviation of sphere position.


Factors Affecting Accuracy

It’s important to note that accuracy can be influenced by various factors, including operator skill, environmental conditions, and calibration. Proper training, careful setup, and adherence to best practices can enhance the accuracy of any Faro Arm model.

Comparing with ANOther Faro Arm:

  • 4m spherical working volume
  • Accuracy: ISO 10360-8 Annex D Certified
  • Integrated WiFi for faster connection time and greater range
  • Hot-Swappable Battery for continuous cable-free operation
  • Internal Counterbalance: Provides comfortable, stress-free usage
  • Internal Counterbalance: Provides comfortable, stress-free usage
  • 8-Axis scanning allows measurement to be performed with a minimal footprint
  • Meet rigorous ISO 10360-12 performance standards
  • Extended battery life, operate without cables
  • High speed wireless operation
  • Internal counterbalancing, operate with a single hand and without fatigue
  • Exclusive FARO Quantum MAX 8 AXIS integration
  • Temperature and overload sensors. Ensure continuous, optimal performance
  • Powerful software solutions. Easily integrate FARO arms and Software
     Comparative Analysis:

The Faro Quantum ScanArm excels in accuracy, making it well-suited for applications requiring the highest precision. Its advanced features, such as the 3D scanner and wireless operation, contribute to efficient and accurate data capture. While the Edge ScanArm HD and Prime ScanArm offer slightly lower accuracy levels, they still provide impressive performance and are suitable for a wide range of measurement tasks.


The Faro Quantum ScanArm stands out as a high-accuracy metrology tool, suitable for demanding applications that require intricate measurements and detailed scans. While other Faro Arm models offer slightly lower accuracy levels, they remain valuable options for various industries. When selecting a Faro Arm, it’s essential to consider the specific requirements of your project, the level of precision needed, and the features that best align with your goals. Regardless of the model you choose, Faro Arms continue to empower professionals with the tools they need to achieve exceptional results in the world of metrology.


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