Elo Touch Solution 1939L Guide de l'utilisateur télécharger pdf (Page 29)

IntelliTouch 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/in2 (15,500 touchpoints/cm2).

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 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 a 60-degree gloss meter) Antiglare surface: Curved: 60 ± 20 gloss units or 75 ± 15 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 Meets Levels 4 (15kV air/8 kV contact discharge)

EN 61 000-4-2, 1995)

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Elo Touch Solution 1939L Guide de l'utilisateur Page 29