Elo TouchSystems ET17 XXL Series Service Manual page 8

1.IntelliTouch Touchmonitor 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/in2 (15,500
touchpoints/cm2).
Typically 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% (82% Accu Touch ; 92% IntelliTouch typical)
All measurements made using USAF 1951 Resolution Chart,
under 30X magnification,
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).
- 5 -
with test unit located