Top one tech is a touch screen display supplier, specialized in custom touch display prototyping and low volume manufacturing services since 2010!

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19 inch Open Frame PCAP Touch Screen -Toponetech_Products_

  • 19 inch Open Frame PCAP Touch Screen -Toponetech
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19 inch Open Frame PCAP Touch Screen -Toponetech

Toponetech's 19-inch capacitive touch screen, multi-touch, is enough sensitive. It can be operated in -20-70 degrees Celsius, can be stored in -30-80 degrees Celsius, and IP65 is waterproof.

There are two interfaces, USB and IIC. The ITO glass is 0.7 mm thick and the measurement accuracy is controlled within the range of 0.05 mm. The working principle of the capacitive screen is: The capacitive touch screen is built with an insulator-like glass coating, which is covered with a see-through conductor, such as indium tin oxide (ITO).

The ITO is attached to glass plates that compress liquid crystals in the touch screen. User screen activation generates an electronic charge, which triggers liquid crystal rotation.