Elo Touch Solution 1928L Guide de l'utilisateur télécharger pdf (Page 44)

AccuTouch (resistive) 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/in

(15,500 touchpoints/cm

)

Touch Activation Force Typical 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 Antiglare surface: Curved: 60± 20 gloss units or 75 ±15 gloss

a 60-degree gloss meter) units.

Environmental The active area of the touchscreen is resistant to all

Chemical Resistance 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 Level 4 (15 kV air/8 kV contact discharges).

EN 61 000-4-2, 1995)

C-30 Elo Touchmonitor User Guide

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Elo Touch Solution 1928L Guide de l'utilisateur Page 44