Elo TouchSystems 1524L Series - Manual (Page 31)

C-31
AccuTouch Touchscreen Specifications
Mechanical
Construction Top: Polyester with outside hard-surface coating with clear or
antiglare finish.
Inside: Transparent conductive coating.
Bottom: Glass substrate with uniform resistive coating. Top and
bottom layers separated by patented separator dots.
Positional Accuracy Standard deviation of error is less than 0.080 in. (2.03 mm). This
equates to less than ±1%.
Touchpoint Density More than 100,000 touchpoints/in² (15,500 touchpoints/cm²).
Touch Activation Force Typically less than 4 ounces (113 grams).
Surface Durability Meets Taber Abrasion Test (ASTM D1044), CS-10F wheel, 500 g.
Meets pencil hardness 3H.
Expected Life
Performance
AccuTouch technology has been operationally tested to greater than
35 million touches in one location without failure, using a stylus
similar to a finger.
Optical
Light Transmission
(per ASTM D1003) Typically 85% at 550-nm wavelength (visible light spectrum).
Visual Resolution All measurements made using USAF 1951 Resolution Chart, under
30 X magnification, with test unit located approximately 1.5 in.
(38 mm) from surface of resolution chart.
Antiglare surface: 6:1 minimum.
Haze (per ASTM D1003) Antiglare surface: Less than 15%.
Gloss (per ASTM D2457) Antiglare surface: 90 ± 20 gloss units tested on a hard-coated front
surface.