Elo Touch Solution 1938L 19" Open-Frame Podręcznik Użytkownika Pobierz pdf (Strona 35)

Acoustic Pulse Recognition Specification

Input method Finger, finger nail, gloved hand, or stylus activation

Position accuracy 1% max. error

Resolution accuracy Touchpoint density is based on controller resolution of

4096 x 4096

Touch activation force Typically 2 to 3 ounces (55 to 85 grams)

Controller Board: USB 1.1

Light transmission 90%+/-5%

Chemical resistance 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 Surface durability is that of glass, Mohs’ hardness rating of 7

Expected life 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.

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Elo Touch Solution 1938L 19" Open-Frame Podręcznik Użytkownika Strona 35