Table 8 AccuTouch (resistive) Technology Touchscreen Specifications
Mechanical
Construction
Positional Accuracy
Touchpoint Density
Touch Activation Force
Surface Durability
Expected Life Performance
Top: Polyester with outside
Inside: Transparent conductive coating.
Bottom: Glass substrate with uniform resistive coating. Top and bottom layers separated by
Standard deviation of error is less than 0.080 in. (2.03 mm). This equates to less than ±1%.
More than 100,000 touchpoints/in² (15,500 touchpoints/cm²).
Typically less than 4 ounces (113 grams).
Meets Taber Abrasion Test (ASTM D1044),
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)
Visual Resolution
Haze (per ASTM D1003) Gloss (per ASTM D2457)
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
1.5in. (38 mm) from surface of resolution chart. Antiglare surface: 6:1 minimum.
Antiglare surface: Less than 15%.
Antiglare surface: 90 ± 20 gloss units tested on a
User Manual: 1528L SW200095 Rev A, Page 33 of 39