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UserManual:1528L
SW200095RevA,Page34of39
Table 9 CarollTouch (infrared) Technology Touchscreen
Specifications
Mechanical
Input Method
Input Method Finger or gloved hand activation
Electrical
Positional Accuracy
Typical centroid accuracy: 2 mm with 1 mm STD error
Resolution
Touch point density is based on controller resolution of 4096 x
4096
Touch Activation Force
No minimum touch activation force is required
Controller
Board: Serial (RS232) or USB 1.1
Optical
Light Transmission
Glass overlay: 90% per ASTM D1003-92
Environmental
Chemical Resistance
Glass overlays: The touch active area of the touchscreen is
resistant to chemicals that do not affect glass, such as:
acetone, toluene, methyl ethyl ketone, isopropyl alcohol, methyl
alcohol, ethyl acetate, ammonia-based glass cleaners,
gasoline, kerosene, vinegar. Polycarbonate bezel: around
perimeter of monitor has some sensitivity to hydrocarbons.
Durability
Surface Durability
Glass filter option: Surface durability is that of glass, Mohs’
hardness rating of 7.