The choice of signal transmission instrument should consider its condition and environment and other conforming factors.
1. The light and dark of the surrounding environment where the indicator light is used
2. Whether the signal transmission distance is far or near, the signal identification is required to be high
3. Consider an economical model, even if it has a short life. Expensive but long life
4. Bad surrounding environment or strong vibration and impact and stable surrounding environment can guarantee the life of the product itself
5. When the light source of the indicator lamp is damaged, the situation that has a significant impact on the operation and safety and the situation that has a small impact, choose different products according to different requirements. At the same time, the maintenance performance and economy of the product should be considered.
