Views: 0 Author: Site Editor Publish Time: 2026-04-03 Origin: Site
In the electronic manufacturing industry, the PCB (Printed Circuit Board), known as the "heart" of electronic products, its electrical performance directly determines the stability and service life of the products. With electronic products evolving toward high-density, miniaturization, and multi-functionality, traditional testing methods can no longer meet the detection requirements of fine-pitch and multi-layer PCBs. The PCB flying probe tester, with its advantages of no need for fixtures, high precision, and high flexibility, has become a core device in the PCB and PCBA testing field. Widely used in sample prototyping and small-batch production, it effectively solves the pain points of low testing efficiency, high cost, and insufficient precision faced by enterprises.
A PCB flying probe tester is an intelligent device that uses high-precision movable probes to comprehensively detect the electrical performance of bare PCBs and PCBA (Printed Circuit Board Assembly). It utilizes 4 to 8 tungsten alloy probes to achieve precise X/Y/Z-axis movement driven by a servo system, contacts test points (pads, vias, component pins) on the PCB, and completes multiple testing tasks without custom-specific test fixtures. This greatly improves testing flexibility and convenience, while reducing enterprises' testing costs and cycles.
Its core functions cover the entire PCB testing scenario, accurately identifying electrical defects:
Measures the resistance between two points on the circuit (≤20Ω is qualified), quickly detects open circuit defects such as broken traces, cold solder joints, and via disconnection, ensuring the basic performance of the PCB.
Applies high voltage of 250V to 1000V, measures the insulation resistance between different networks (≥100MΩ is qualified), and identifies hidden dangers such as pad bridging and residual copper short circuits, suitable for industries with high safety requirements.
Detects parameter values of resistors, capacitors, inductors, and the polarity of diodes on PCBA, identifies issues like wrong component mounting, missing mounting, and deviation, ensuring the performance of PCBA components meets the standards.
Equipped with CCD vision positioning, path optimization, fault diagnosis, and other functions, it improves testing efficiency and accuracy, and adapts to multi-variety testing needs.
The PCB flying probe tester has become the first choice of enterprises mainly due to two advantages:
No fixture cost: Saves the cost of fixture development and debugging, reduces the investment threshold for small and medium-sized enterprises, and is suitable for small-batch and sample testing.
High precision adaptability: The probe diameter can be as low as 0.1mm, with a positioning accuracy of ±0.01mm. It can detect fine-pitch and high-density PCBs, adapting to the development trend of product miniaturization.
