Industrial Capacitive Touchscreen 7", 8", 9", 10", 12", 15", 18", 24"

As opposed to the resistive touchscreen, which relies on the mechanical pressure made by the finger or stylus, the capacitive touchscreen makes use of the fact that the human body is naturally conductive.

Capacitive screens are made of a transparent, conductive material—usually ITO—coated onto a glass material. It’s the glass material that you touch with your finger.

Surface Capacitive

In a surface capacitive setup, there are four electrodes placed at each corner of the touchscreen, which maintain a level voltage over the entire conductive layer.

When your conductive finger comes in contact with any part of the screen, it initiates current flow between those electrodes and your finger. Sensors positioned under the screen sense the change in voltage, and the location of that change.

Projected Capacitive

In a device that uses a projected capacitive setup, transparent electrodes are placed along the protective glass coating in a matrix formation.

One line of electrodes (vertical) maintain a constant level of current when the screen isn’t in use. Another line (horizontal) are triggered when your finger touches the screen and initiates current flow in that area of the screen.

The matrix formation creates an electrostatic field where the two lines intersect. This is one of the most sensitive types of touchscreens, and is how some phones can sense a finger touch even before you make contact with the screen itself.

Projected capacitive technology also allows you to use the touchscreen even when you’re wearing thin gloves.

Resistive vs. Capacitive Touchscreens

Resistive touchscreen advantages include:

Lower cost to manufacture
Higher sensor resolution—you can tap small buttons easier with just your fingertips
Fewer accidental touches
Can sense any object touching the screen hard enough
More resistant to the elements like heat and water

Capacitive touchscreen advantages include:

More durable
Sharper images with better contrast
Provide multi-touch sensing
More reliable—will even work when the screen cracks (until you replace the touchscreen)
More sensitive to light touch

The choice to use a capacitive or resistive touchscreen depends largely on the application for the device.

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♦ Wider Viewing Angles
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♦ Improves overall User Experience

Xenarc Rugged Industrial Touchscreen Monitors 7", 8", 9", 10", 12", 15", 18", 24" are built tough to last. The Mean Time Between Failure (MTBF) for a Xenarc Technologies Rugged Industrial Monitor is > 55,000 hours OR 6.2 Years of continuous operation and with the new 3 Year Warranty, a Xenarc Rugged Industrial Monitor gives you truly peace of mind.

Xenarc Technologies All-Weather Rugged 7", 8", 9", 10", 12", 15", 18", 24" Monitors are perfect Human Machine Interface for Smart Homes, Smart Factories, Smart Offices, Smart Vehicles, Smart Stores, Smart Cities. IIoT, IoT, Industry 4.0 and for low voltage and indoor or outdoor applications.

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