Elo TouchSystems 1847L manual Optical

Table C.2 IntelliTouch 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/in2 (15,500 touchpoints/cm2).

Touch Activation Typically less than 3 ounces (85 grams).

Force

Surface Durability

Expected Life

Performance

Sealing

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.

Optical

Light Transmission (per ASTM D1003)

Visual Resolution

Gloss (per ASTM D2457 using a 60- degree gloss meter)

80% AccuTouch; 90% IntelliTouch

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.

Antiglare surface: Curved: 60 ± 20 gloss units or 75 ± 15 gloss units.

C-35