Elo TouchSystems 2125C User Manual
Page 36
C-30
E l o E n t u i t i v e T o u c h m o n i t o r U s e r G u i d e
Table C.2
AccuTouch Touchmonitor Specifications
Mechanical
Positional Accuracy
Standard deviation of error is less than 0.080 in. (2.03 mm). This equates to less
than ±1%.
Touchpoint Density
More than 100,000 touchpoints/in² (15,500 touchpoints/cm²).
Touch Activation Force
Typically less than 4 ounces (113 grams).
Surface Durability
Meets Taber Abrasion Test (ASTM D1044), CS-10F wheel, 500 g. Meets pencil
hardness 3H.
Expected Life Performance
AccuTouch technology has been operationally tested to greater than 35 million
touches in one location without failure, using a stylus similar to a finger.
Optical
Light Transmission
(per ASTM D1003)
Typically 75% at 550-nm wavelength (visible light spectrum).
Visual Resolution
All measurements made using USAF 1951 Resolution Chart, under 30 X
magnification, with test unit located approximately 1.5 in. (38 mm) from surface
of resolution chart.
Clear surface: N/A
Antiglare surface: 6:1 minimum.
Haze (per ASTM D1003)
Clear surface: Less than 1.5%.
Antiglare surface: Less than 15%.
Gloss (per ASTM D2457)
Clear surface: N/A
Antiglare surface: 90 ± 20 gloss units tested on a hard-coated front surface.
Environmental
Chemical Resistance
The active area of the touchscreen is resistant to the following chemicals when
exposed for a period of one hour at a temperature of 21°C:
Acetone
Methylene chloride
Methyl ethyl ketone
Isopropyl alcohol
Hexane
Turpentine
Mineral spirits
Unleaded gasoline
Diesel fuel
Motor oil
Transmission fluid
Antifreeze