Table B.1 AccuTouch Touchmonitor Specifications
Mechanical
Construction | Top: Polyester with outside |
| antiglare finish. |
| Inside: Transparent conductive coating. |
| Bottom: Glass substrate with uniform resistive coating. Top and |
| bottom layers separated by |
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), |
| 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 75% at |
(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 |
| surface. |
|
|
