Planar LA1910RTC - Manual (Page 5)

5
Touch Screen (for LA1910RTC)
Capacitive for finger interface
Optical Clarity: Up to 88% light transmission
Touch Contact Requirement: 3 ms for finger input
Surface Scratch Hardness: Cannot be scratched using any stylus
with Mohs' rating of less than 6.5.
Durability: Touch screen has been tested in a laboratory environ-
ment to withstand over 225 million mechanical touches without
noticeable degradation to the surface
Surface Obstructions: Touch screen's operation unaffected by
surface obstructions such as dirt, dust, grease, smoke, etc.
Chemical Resistance: Touch screen is highly resistant to corrosives,
in accordance with ASTM-D-1308-87 (1993) and ASTMD-F-1598-95.
Liquid Resistance: Liquids on screen do not impede touch screen
performance