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.
C-37
Summary of Contents for 1938L
Page 1: ...Touchmonitor User Guide 1938L 19 LCD Open Frame Touchmonitor...
Page 2: ...User Guide 19 LCD OPEN FRAME TOUCHMONITOR 1938L Family 3000 Series Revision B P N E481511...
Page 9: ...Product Overview Front View Rear View 2 11...
Page 30: ...C 32 User Guide A P P E N D I X C TECHNICAL SPECIFICATIONS...
Page 36: ...C 38 User Guide 19 LCD Touchmonitor ET1938L XXXA X G Dimensions 444mm 296mm 108mm 47 35mm...
