How to identify the performance of the chassis inspection professional four-wheel alignment instrument

To evaluate professional four-wheel alignment machines, assess five key dimensions:measurement accuracy, hardware configuration, functional completeness, stability and compatibility, and after-sales service with data support. Distinguish between entry-level, professional, and high-end commercial models to  avoid being misled by "overstated  specifications" or "functional  gimmicks". The following section breaks down specific identification methods by module, complete with practical evaluation criteria.

I. Core Measurement Accuracy: The "Hard Indicator" of Positioning Instruments, the Most Critical Identification Point

Accuracy is the soul of the four-wheel alignment instrument, which directly determines whether the test results are reliable. The focus is on three core indicators: static accuracy, dynamic accuracy, and repeatability, as well as the core parameters of the sensor.

1.  Core Measurement Accuracy Parameters (industry Standard, Based on Manufacturer's Specifications + Actual Measurements)

Practical Identification Methods:

l Repeated test in the same vehicle;

l Standard sample frame calibration test;

l High and low temperature stability;

2.  Sensor Core: CCD/3D/BLE/IR, Accuracy Differentiation of Different Technologies

l 3D camera (currently mainstream professional/high-end)

l CCD Infrared Wired/Wireless (Traditional Entry/Mid-range)

l Bluetooth Simple (Entry-level, for quick repairs only)

Ⅱ. Hardware Configuration: Determining Durability and Measurement Efficiency to Avoid "Paper Parameters"

Hardware is the foundation of precision. Low-quality devices often rely