Accutouch Touchscreen Specification - Elo TouchSystems 1939L User Manual

AccuTouch (resistive) Touchscreen Specifications
Mechanical
Positional Accuracy
Touchpoint Density
Touch Activation Force
Surface Durability
Expected Life Performance
Sealing
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 61 000-4-2, 1995)
Standard deviation of error is less than 0.080 in. (2.03 mm).
Equates to less than ±1%.
More than 100,000 touchpoints/in
Typical less than 3 ounces(85 grams)
Surface durability is that of glass, Mohs'hardness rating of 7.
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.
Unit is sealed to protect against splashed liquids, dirt, and
dust.
90%
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.
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, Ammonia-based glass cleaners,
Gasoline, Kerosene, Vinegar
Meets Level 4 (15 kV air/8 kV contact discharges).
2 (15,500 touchpoints/cm
C-35
2 )