Acoustic Pulse Recognition Specifications - Elo TouchSystems 1938L User Manual

Acoustic Pulse Recognition Specification
Input method
Position accuracy
Resolution accuracy
Touch activation force
Controller
Light transmission
Chemical resistance
Surface durability
Expected life
Finger, finger nail, gloved hand, or stylus activation
1% max. error
Touchpoint density is based on controller resolution of
4096 x 4096
Typically 2 to 3 ounces (55 to 85 grams)
Board: USB 1.1
90%+/-5%
The touch activation 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
Surface durability is that of glass, Mohs' hardness rating of 7
No known wear-out mechanism, as there are no layers,
coatings, or moving parts. APR technology has been
operationally tested to more than 50 million touches in one
location without failure, using a stylus similar finger.
C-33