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GreenTouch Self-introduction
Shenzhen GreenTouch Technology Co., Ltd. is a professional manufacturer of touch screen and a high-tech enterprise. Our company specializes in R&D, manufacture and marketing of high-grade touch screen and value-added touch screen. Our company has our own trademark—GreenTouch and provides customers with touch screens including SAW touch screen, IR touch screen, 4-wire touch screen, 5-wire touch screen and various touch screen monitors. GreenTouch has automatic production lines and the sealed dust-free workshops and has been certified to ISO9001 Quality Management System and ISO14001 Environmental Management System. The products are inspected in strict accordance with the quality management system. Quality management becomes an essential part of operation. Our products have been certified to CE, FCC, ETL, ROHS and UL. The objective of GreenTouch is to become the most reliable supplier of touch screen, special products, high value-added products and touch solutions in the world!
5 wire resistive touch screen technology
5 wrie resistive touch screen is a two-layer structure, two materials (film or glass) with ITO are attached with a gap between them so that the ITO layers are facing each other. Touch input will be made as the top layer is pressed down and the two ITO layers contact. There are insulators called spacing dots between the top and bottom ITO layers. These spacing dots prevent unintended contacts (inputs) of the ITO layers when not pressed.
When the top ITO film is pressed and makes contact with the bottom glass, the contacted area will be detected via electrical conduction. The notable characteristic of 5wire resistive is that only the bottom glass has detecting function. Even if the top ITO film is damaged, the detecting function will not be affected (except for the damaged area).
5wire resistive touch screen application
Suitable for GPS, medical, Light industrial ,Pos,Portable sport devices, Access control terminals, Portable medical devices, LCD and LED touch monitors,All-In-One ,Home appliances and other fields.
General Spec for 5 wire resistive touch screen
| Interface Type: | USB or RS232 |
| Size range | 2.8inch~22inch,any special sizes can be custom-made |
| Resolution | 4096x4096 |
| Screen Ratio | 4:3/16:9/16:10 |
| Material | Glass + Film |
| Certificates | CE, FCC, RoHS |
| Input method | Finger or touch pen |
| Position accuracy | 2~5mm |
| Operating Voltage | DC ≤ 10V |
| Operating current | 5~25mA |
| Response time | Less than 10ms |
| Touch action force | 20~100g |
| Operating temperature | -10°C~60°C |
| Storage temperature | -20°C~70°C |
| Surface hardness | 3H |
| Working environment | Under sunlight, indoor and outdoor |
| Transparency | ≥80% |
| Isolation resistance | ≥20MΩ DC 25V |
| X.Y resistance | 30Ω~350Ω according to the size |
| Linearity | ≤2% |
| The number of hits | ≥35,000,000/point |
| Warranty | 1 year |
| Support Systems | Windows 2000/Windows XP/Win 7/ Win 8/Windows NT/Linux |
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