Advantech PPC-100 Manual page 82

B.2 Specifications
•
Light Transmission: typically 75% at 550 nanometer wavelength,
optimized for flat-panel displays. All measurements per ASTM D
10036-61
•
Visual Resolution: Antiglare: 6:1 minimum. Measured according to
USAF 1951 Resolution Chart, under 30x magnification, with test unit
located approximately 1.5" (3.8 mm) from surface of resolution chart.
•
Haze: Antiglare-less than 15%. Per ASTM D 103-61
•
Gloss: Antiglare-96 ± gloss units. Per ASTM D 2457-70
B.3 Environmental Specifications
•
Temperature
Operating: -10° C to 50° C, and storage: -40° C to 71° C
•
Relative Humidity
Operating: 90RH at 35° C, and storage: 90RH at 35° C for 240 hours,
noncondensing
•
Chemical Resistance
The active area of the touchscreen is resistant to the following chemi-
cals when exposed for a perion of one hour at a temperature of 71° F
(21° C):
-Acetone
-Methylene chloride
-Methyl ethyl ketone
-Isopropyl alcohol
-Hexane
-Ammonia-based glass cleaners
-Turpentine
-Mineral spirits
-Foods and beverages
Appendix B Touchscreen 77