Elo TouchSystems 1729L manual AccuTouch Touchscreen Specifications, Mechanical

	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 Elo-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		AccuTouch technology has been operationally tested to greater than
Performance		35 million touches in one location without failure, using a stylus
		similar to a finger.
OPTICAL
Light Transmission		Typically 85% at 550-nm wavelength (visible light spectrum).
(per ASTM D1003)
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.

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