Elo TouchSystems Entuitive 1725L Series User Manual page 37

Table C.3 AccuTouch Touchmonitor Specifications
Mechanical
Construction
Positional Accuracy
Touchpoint Density
Touch Activation Force
Surface Durability
Expected Life
Performance
Optical
Light Transmission
(per ASTM D1003)
Visual Resolution
Haze (per ASTM D1003)
Gloss (per ASTM D2457) Antiglare surface: 90 ± 20 gloss units tested on a hard-coated front
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 Elo-patented separator dots.
Standard deviation of error is less than 0.080 in. (2.03 mm). This equates
to less than ±1%.
More than 100,000 touchpoints/in
Typically less than 4 ounces (113 grams).
Meets Taber Abrasion Test (ASTM D1044), CS-10F wheel, 500 g.
Meets pencil hardness 3H.
AccuTouch technology has been operationally tested to greater than
35 million touches in one location without failure, using a stylus
similar to a finger.
Typically 75% at 550-nm wavelength (visible light spectrum).
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.
Antiglare surface: Less than 15%.
surface.
2
(15,500 touchpoints/cm
2
).
C-33