With the development of the market economy, various industrial keyboards are also entering our lives. Compared with ordinary keyboards, industrial keyboards must have high-quality performance such as waterproof, dustproof, and explosion-proof. For a wide variety of industrial keyboards, buyers should How to choose? Here are a few suggestions for purchasing a metal keyboard for reference.
1. Design specifications and dimensions
First of all, a good horse should be equipped with a good saddle. If the size and your own settings should match, otherwise you will buy a complete no-brainer. The most common industrial keyboard keys are 100*91.5 100*100 two sizes.
2. Interface type
The interfaces of industrial metal keyboards include USB interface, PS/2 interface, ordinary serial port, and encrypted serial port. If the circuit structure of the industrial keyboard is damaged, the difference between the encrypted serial port and the ordinary serial port is that the user’s input information is encrypted, which greatly improves the security. Therefore, when purchasing a metal industrial keyboard, you should pay attention to the suitability of its interface type.
3. Appearance quality
The quality of an industrial keyboard is generally reflected in its appearance. Industrial keyboards with rough workmanship and poor quality usually have a dull surface, dull color and almost no metallic luster. Then observe whether the key assembly of the industrial keyboard is meticulous, whether it has the effect of waterproofing, and also needs to have the special effect of dustproof; in addition, it is also necessary to carefully observe whether the key layout of the industrial keyboard is correct, how elastic, whether it is loose, etc. At the same time, check the trajectory Whether the ball and touchpad are used normally and so on.
4. Manufacturer’s reputation
The appearance of an industrial keyboard can reflect some of the quality problems, but the specific properties such as the service life and explosion-proof of the industrial keyboard can only be recognized in practice. At this time, it is necessary to understand the reputation of major manufacturers through the Internet or interpersonal relationships. The law that word of mouth is proportional to quality has never changed.