Table C.4 SecureTouch Touchmonitor Specifications
Mechanical
Positional Accuracy Standard deviation of error is less than 0.080 in. (2.03 mm). Equates to less than ±1%.
Touchpoint Density More than 100,000 touchpoints/in2 (15,500 touchpoints/cm2).
Touch Activation Typically less than 3 ounces (85 grams).
Force
Surface Durability
Expected Life
Performance
Surface durability is that of glass, Mohs’ hardness rating of 7.
No known
Optical
Light Transmission (per ASTM D1003)
Visual Resolution
Gloss (per ASTM D2457 using a 60- degree gloss meter)
Environmental
Chemical Resistance
Electrostatic Protection (per EN 61
92%
All measurements made using USAF 1951 Resolution Chart, under 30X magnification, with test unit located approximately 1.5 in (38 mm) from surface of resolution chart.
Clear surface: Excellent, with no noticeable degradation.
Antiglare surface: 6:1 minimum.
Clear surface: N/A
Antiglare surface: Curved: 60 ± 20 gloss units or 75 ± 15 gloss units.
The active area of the touchscreen is resistant to all chemicals that do not affect glass, such as:
Acetone
Toluene
Methyl ethyl ketone
Isopropyl alcohol
Methyl alcohol
Ethyl acetate
Gasoline
Kerosene
Vinegar
Meets Level 4 (15 kV air/8 kV contact discharges).