Elo TouchSystems ET 1525C Series User Manual page 37

Table C.2 AccuTouch Touchmonitor Specifications
Mechanical
Positional Accuracy
Touchpoint Density
Touch Activation Force
Surface Durability
Expected Life Performance
Optical
Light Transmission
(per ASTM D1003)
Visual Resolution
Haze (per ASTM D1003)
Gloss (per ASTM D2457)
Environmental
Chemical Resistance
C-28
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
Standard deviation of error is less than 0.080 in. (2.03 mm). This equates to less
than ±1%.
More than 100,000 touchpoints/in² (15,500 touchpoints/cm²).
Typically less than 4 ounces (113 grams).
Meets Taber Abrasion Test (ASTM D1044), CS-10F wheel, 500 g. Meets pencil
hardness 3H.
AccuTouch technology has been operationally tested to greater than 35 million
touches in one location without failure, using a stylus similar to a finger.
Typically 75% at 550-nm wavelength (visible light spectrum).
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.
Clear surface: Less than 1.5%.
Antiglare surface: Less than 15%.
Clear surface: N/A
Antiglare surface: 90 ± 20 gloss units tested on a hard-coated front surface.
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