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Resources  / Surface Capacitive Touch Technology

AbraxSys Industrial Touch Screens LCD Monitors & Computers


Surface Capacitive Touch Technology


AbraxSys Capacitive Touch Screens for Industrial Rugged LCD Flat Panel MonitorsSurface capacitive touchscreens provide a transparent protective coating which makes the sensor resistant to scratches and abrasions. Touch performance is unaffected by everyday use and mishaps such as dirt, dust, condensation, liquid spills, contaminants or cleaning solutions; however, touch activation can only be done by an ungloved hand.


Key Product Features
• High-endurance solution that is unaffected by on-screen contaminants such as chemicals, grease, dirt, and water
• Ideal for touch applications where exceptional performance, vibrant optics and environmental robustness is required, 24-hours a day, 7 days a week.
• High light transmission provides superior display performance
• Smooth surface allows for improved scroll performance

Performance
• Input Method: Finger input
• Accuracy: Reported touch coordinates are within 1.0% of true position (based on the diagonal dimension of the screen) within the precision area
• Resolution: Touch screen resolution defaults to settings in the electronics and software, generally 1024 x 1024, but capable of 16K x16K
• Linearization: Factory linearization values are stored in the attached controller, represented in a 2D bar code, or in the touch screen NOVRAM when present

Optics
• Light Transmission: 91.5% light transmission (±1.5%)
• Surface Finish: Clear hard coat with optimal anti-glare properties. Scratch resistant top coat provides smooth, easy glide touch surface


Mechanical
• Minimum Contact Requirement: 5.4 ms for finger input with EX II series controller
• Glass Thickness: 3.18mm (±0.25mm) typical. (Glass only, not including flexible tail connection; reference touch screen drawing for details.)
• Display Size Supported: 6.4" to 32" diagonal (4.3, 16:9, 16:10)
• Surface Scratch Hardness: A Mohs pick with a hardness rating of 7 or higher is required to induce a scratch which will cause a functional failure. Functionality unaffected by severe abrasion per MIL-C-675-C, exceeding number of specified cycles. Functionality unaffected by 10,500 grams of force per Balance Beam Scrape Adhesion Mar Tester with loop stylus
• NEMA Rating: NEMA (Ingress Protection) sealable
• Cleaning: Water, isopropyl alcohol, or similar non-abrasive cleaners

AbraxSys Capacitive Touch MonitorsReliability
• Surface Obstructions: Touch screens operation withstands surface contaminants such as, dirt, dust and grease
• Chemical Resistance: Highly resistant to a variety of solvents, acids, and household chemicals in accordance with ASTM-D-1308-02e1 and ASTM-F-1598-95 (reapproved 2002)
• Liquid Resistance: Liquids on screen do not impede touch screen performance
• Operating Temperature: -40° C to 70° C for the touch screen
• Storage Temperature: Always store the touch screen in its original shipping container between -50°C and 85°C (up to 90% RH from 0° C to + 35° C).
• Humidity: Up to 90% RH from 0° C to +35° C, non-condensing

For more information please Contact Us.