Tyco Electronics LD9000 Series - Manual (Page 55)

IntelliTouch Touchscreen 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 Force Typically less than 3 ounces (85 grams).
Surface Durability Surface durability is that of glass, Mohs’ hardness rating of 7.
Expected Life Performance No known wear-out mechanism, as there are no layers, coatings,
or moving parts. IntelliTouch technology has been operationally
tested to more than 50 million touches in one location without
failure, using a stylus similar to a finger.
Sealing Unit is sealed to protect against splashed liquids, dirt, and dust.
Optical
Light Transmission (per ASTM 90%
D1003)
Visual Resolution 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.
Gloss (per ASTM D2457
using a 60-degree gloss meter) Antiglare surface: Curved: 60 ± 20 gloss units or 75 ± 15 gloss
units.
Environmental
Chemical Resistance 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
Ammonia-based glass cleaners
Gasoline
Kerosene
Vinegar
Electrostatic Protection (per Meets Levels 4 (15kV air/8 kV contact discharge)
EN 61 000-4-2, 1995)
C-50 Elo Touchmonitor User Guide