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AccuTouch (resistive) 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/in
2
(15,500 touchpoints/cm
2
)
Touch Activation Force Typical 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 Antiglare surface: Curved: 60± 20 gloss units or 75 ±15 gloss
a 60-degree gloss meter) units.
Environmental The active area of the touchscreen is resistant to all
Chemical Resistance 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 Level 4 (15 kV air/8 kV contact discharges).
EN 61 000-4-2, 1995)
C-35