The industrial display is based on the analysis of the structure, principle and function of the touch screen. The applicable occasions of different touch modes are as follows.
Four-wire resistance touch screen: not afraid of dust, oil and photoelectric interference, fear of scratch is its main drawback. Applicable to public places with fixed users, such as industrial control sites, units, homes, etc.
Five-wire resistive contact screen: excellent sensitivity and transparency, long service life, not afraid of dust, oil and photoelectric interference, suitable for all kinds of public places, especially suitable for industrial control sites with fine demand, etc. The display uses a five-wire resistive touch method.
Capacitive sensing contact screen: Because the capacitance changes with temperature, humidity or grounding conditions, its stability is poor, and the drift phenomenon often occurs. Afraid to disturb and drift electromagnetic fields, it is not easy to use in industrial control places and in disturbed local areas. It can be used for public information queries with less demanding requirements; the requirements are often calibrated and positioned.
Infrared sensing touch screen: low resolution, but not disturbed by current, voltage and static electricity, suitable for some harsh environmental conditions; suitable for all kinds of public places, units and industries where the demand is not very fine without infrared and strong light disturbance Control the scene.
Appearance sound wave contact screen: pure glass material, best light transmission, long service life, good scratch resistance, suitable for all kinds of public places of unknown users. However, it is very suitable for long-term dust accumulation and oil staining, so it is very good for use in clean environment. Otherwise, regular cleaning is required.
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