Elo TouchSystems touch monitor ユーザーズマニュアル

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C-25
Table C.1
iTouch Touchmonitor 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. 
iTouch 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)
100%
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).