Elo TouchSystems ET1724L-7SWR-1-NL - Manual (Page 40)

C-33
IntelliTouch Touchscreen Specifications
See http://www.elotouch.com/products/inteltec/intelspec.asp for complete and
updated 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 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 D1003) 95%
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.
Antiglare surface: 6:1 minimum.
Gloss (per ASTM D2457
using a 60-degree gloss
meter) Antiglare surface: Flat: 85 ± 20 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 EN 61 000-4-2,
1995) Meets Level 4 (15 kV air/8 kV contact discharges).