Elo TouchSystems 1825L Series, 1827L Series manual Optical

Table C.2 IntelliTouch Touchmonitor Specifications

Mechanical

Positional Accuracy

Touchpoint Density

Touch Activation Force

Surface Durability

Expected Life

Performance

Sealing

Optical

Light Transmission (per ASTM D1003)

Visual Resolution

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

Standard deviation of error is less than 0.080 in. (2.03 mm). Equates to less than ±1%.

More than 100,000 touchpoints/in2 (15,500 touchpoints/cm2).

Typically less than 3 ounces (85 grams).

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.

90%

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.

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