7inch 4 Wire Resistive Touch Screen Panel For Industrial Display
Brand Name:CJTOUCH
Certification:CE \ FCC
Model Number:CJVTW4070A0-1.1
Minimum Order Quantity:1pcs
Delivery Time:3-5 work day
Payment Terms:T/T, Western Union
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Location:
Dongguan Guangdong China
Address:
2~5th Floors, Block 6/B Anjia Industrial Park, FengGang, DongGuan GuangDong523690 China
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within 23 hours
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Product Details
Resistive Touch Panel 7inch 4 wire resistive touch screen for Industrial display
4-wire resistive is the most basic sensing method of resistive technology.
Top and bottom transparent conductive sheets that have uniform resistance value, are facing each other with a gap. When the top sheet is touched, the touched point of the top sheet yields, and contact the bottom sheet. The contacted point is conducted, and its location is sensed.
As feature of analog 4-ire resistive technology, one sheet has electrodes for the vertical direction while the other sheet has electrodes for the horizontal direction. Voltage of a touched point is measured by the other sheet. In this way, the touched point in X and Y directions is detected.
How does a resistive touch screen work?
In simple terms, a Resistive Touch Screen is a touch-sensitive
computer display that responds by applying pressure.When contact is
made to the surface of the touchscreen, these two sheets are
pressed together. Each sheet has horizontal and vertical lines that
register the precise location of the touch.
Is there structural difference between 4-wire and 5-wire technologies?
Just same as analog 4-wire resistive technology, an analog 5-wire resistive sensor consists of top and bottom sheets which are facing each other with a gap in between. Unlike analog 4-wire resistive technology, electrodes are placed on four corners of the bottom sheet in analog 5-wire technology. The sensing process is as below
Main Feature
- High accurate
- Pressure sensitive
- Can responds to any input device
- Short response time
- Compact size for easy integration
- Customization available
Specification of Product
| 4 Wires Resistive Touch Panel Specification | |
| General Size | 5.7 inch To 22 inch |
| Fit in with | Panel display device |
| Mechanical | |
| Input Method | Finger or gloved hand (rubber ,cloth or leather) |
| Active Force | Stylus or Finger or Similar <45g~110g |
| Ball Impact | ø13.0. Steel Ball/9g, Height=30cm, 1 time, no damage [Impact at center area] |
| Durability | >35 million touches |
| Positional Accuracy | <1.5% |
| Optical | |
| Light Transmission | 82% |
| Clear surface | <3% |
| Anti-glare Surface | <4% |
| Anti-Newton | <10% |
| Gloss | 90±20 gloss units tested on a hard-coated front surface Accordance with ASTM D 2457 |
| Electrical | |
| Supply voltage | DC5V |
| Circuit Resistance | X:20~25Ω0, Y:20~250Ω |
| Linearity | X<1.5%, Y<1.5% |
| Response | <15ms |
| Insulation | >20MΩ/25V(DC) |
| Endurance | No acting damage at DC50V/60sec. |
| Resolution | Based on controller resolution of 4096 x 4096 |
| Environmental | |
| Operation Temperature | -10°C ~ +60°C |
| Operation Humidity | 20%RH ~ 85%RH, no condensing |
| Storage Temperature | -40°C ~ +80°C |
| Storage Humidity | 10%RH ~ 90%RH, no condensing |
| Waterproof | Not damaged by running water applied to the active area |
| Reliability | |
| Heat Cycle | 70°C /240 hrs |
| Cold Cycle | -40°C /240 hrs |
| Thermal Cycle | -40°C ~7°0C [60 min./cycle] *10 cycles |
| Operationg System | |
| Operation System | Linux/ Dos / Windows ME/95/98 / NT4.0/XP/2000/ 7 /Mac OS |
| Warranty | |
| Touch screen 1 years | |
| Touch Controller 1 years | |
Picture of Product
Technical Drawing
7inch 4 Wire Resistive Touch Screen Panel For Industrial Display
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