Why precision instruments in the laboratory cannot do without extremely fine coaxial cables

In modern laboratory environments, precise instruments have increasingly strict requirements for signal transmission. Whether it is high-frequency measurement, medical imaging, or complex electronic testing processes, a stable and flexible signal chain is needed. Micro coaxial cable, with its miniaturization, high precision, and excellent anti-interference ability, has become an indispensable core component in precision instruments.

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Why choose ultra-fine coaxial cable束

Extremely fine coaxial cable束 usually consists of a central conductor, an insulating layer, a shielding layer, and an outer sheath. Although the size is extremely small, it has excellent signal isolation capability, which can effectively reduce the influence of external electromagnetic interference on the test results.

Its advantages in laboratory applications are mainly reflected in the following aspects:

Smaller volume: Suitable for wiring inside test equipment and instruments with limited space.

Higher measurement accuracy: impedance control is strict, which can meet the requirements of high-frequency signal transmission.

Better flexibility performance: supports frequent movement and bending, yet maintains stable link performance.

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Two, key performance and selection points

The precise testing in the laboratory requires the harness to have a highly stable electrical performance, therefore, the following indicators should be focused on when selecting:

Signal loss: Low-loss structures can reduce attenuation and avoid deviations in experimental data.

Reflection loss and standing wave ratio: Good impedance matching can reduce reflection and improve system measurement accuracy.

3. Bend Life and Flexibility: Maintain long-term reliability in complex wiring environments and avoid performance degradation due to repeated bending.

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Typical application scenarios

Extremely thin coaxial bundles are widely used in a variety of high-precision equipment, including:

High-frequency measuring instruments: Such as microwave test equipment, precise measurement ports, and other applications require low-reflection, high-stability connection links to achieve reliable data performance.

Medical imaging equipment: For example, ultrasonic probes, endoscopes, and other systems can achieve small size, high sensitivity, and low capacitance characteristics by using extremely fine 36-50 AWG coaxial cables; some medical cables have an outer diameter as small as 0.2 mm, meeting the wiring requirements for minimally invasive surgical equipment.

In precision testing and calibration scenarios, ultra-fine coaxial cables can ensure long-term stable transmission in the testing and calibration chain of miniaturized electronic devices, ensuring accurate and reliable measurement results.


In laboratory applications, ultra-fine coaxial cables have become key components in precise signal transmission due to their high precision, small size, low loss, and excellent flexibility. Choosing the right cables not only improves equipment testing efficiency but also ensures the accuracy and stability of experimental data. Facing the ever-increasing performance requirements of instruments, high-quality ultra-fine coaxial cables will continue to play a vital role and serve as an ideal partner in high-frequency measurement and precision testing.

I am[Suzhou Huichengyuan Electronic Technology]Long-term focus on the design and customization of high-speed cable harnesses and ultra-fine coaxial cable harnesses, committed to providing customers with stable and reliable high-speed interconnect solutions. If you have related needs or want to learn more, please contact:Manager Zhang 18913228573 (WeChat same number)。