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Shenzhen GreenTouch Technology Co., Ltd Adhere to people-oriented, customer-oriented, quality first, service. Dedicated to providing customers with quality products, service and technical support.
10 Years
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| Brand Name : | GreenTouch |
| Model Number : | GT-4W-21.5A-1 |
| Certification : | CE, FCC, ROHS |
| Payment Terms : | T/T, MoneyGram |
| Supply Ability : | 10,000pcs per month |
| Delivery Time : | 3-7 working days after received your payment |
High Accuracy 21.5 Inch 4 Wire Resistive Touch Screen Indoor Or
Outdoor
Description:
Model Information:
| Product model | Szie | 4wire TP Product size | |||||
| Out sizeTP(mm) | VA size(mm) | AA size(mm) | Thickness | PFC location | |||
| GT-4W-21.5A-1 | 21.5" | 490.00 x 285.00 | 480.00 x 270.00 | 476.00 x 266.00 | 2.3mm | Long side | |
Product Specification:
| Interface Type: | USB or RS232 |
| Resolution | 4096x4096 |
| Screen Ratio | 16:9 |
| Material | Glass + Film or Film + Film |
| Certificates | CE, FCC, RoHS |
| Input method | Finger or touch pen |
| Position accuracy | 1.15~2.5mm |
| 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 | ≥75% |
| Isolation resistance | ≥20MΩ DC 25V |
| X.Y resistance | 100Ω~1000Ω according to the size |
| Linearity | ≤1.5% |
| The number of hits | ≥1,000,000/point |
| Warranty | 1 year |
| Support Systems | Windows 2000/Windows XP/Win 7/ Win 8/Windows NT/Linux/Mac |
Applications:
4 Wire Resistive touchscreen is an outstanding high quality
product, suitable for low cost solution. 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.
Packing and Shipping:
Competitive Advantage:
4 Wire Resistive touch screen is the product of choice for
manufacturers because it can easily produce high resolution of 4096
x 4096 or higher. There are several advantages of this technology.
Resistive touchscreens are low cost as compared to their ‘active’
counterparts.It can be produced to support multi-touch output.
Moreover, a stylus or any pointed object can be utilized to operate
such touchscreens.
technology principle:
The 4 Wire Resitive touchscreen consists of a glass layer with a
conductive coating on top and a polyester top sheet with a
conductive coating on the bottom. The conductive surfaces are held
apart by "spacer dots", usually glass beads that are silk-screened
onto the coated glass.
When a person presses on the top sheet, its conductive side comes
in contact with the conductive side of the glass, effectively
closing a circuit (this is called pressure sensing). The voltage at
the point of contact is read from a wire connected to the top
sheet.It can be touched by finger, gloved finger, leather or stylus
pen.It is inherently of many advantages such as high accuracy,
quick response, drift-free, stable and long durability for a life
time of 1,000,000 times finger touches.
About us:
Shenzhen GreenTouch Technology Co., Ltd. is a professional manufacturer of product.Our company specializes in R&D, manufacture and marketing of high-grade touch screen and value-added touch machine. Our company has our own brand—GreenTouch and provides customers with touch products including IR touch screen, four-wire touch screen, five-wire touch screen,various touch screen monitors and touch all in one PC TV.
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