18

AccuTouch Touchmonitor Specifications

M echanical

Construction

Top: Polyester with outside hard-surface coating

 

with clear or antiglare finish.

 

Inside: Transparent conductive coating.

 

Bottom: Glass substrate with uniform resistive

 

coating. Top and bottom layers separated by

 

Elo-patented separator dots.

 

 

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/in† (15,500

touchpoints/cm†).

 

 

 

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

Typically 75% at 550-nm wavelength (visible light

ASTM D1003

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%.

 

 

 

 

Clear surface: N/A

Gloss (per ASTM D2457)

Antiglare surface: 90 – 20 gloss units tested on a

 

hard-coated front surface.

 

 

Page 19
Image 19
Elo TouchSystems 1225L, 1228L manual AccuTouch Touchmonitor Specifications