Appendix A
Specifications
©
National Instruments Corporation
A-3
Touchscreen
Type ....................................................... 8 wire, analog resistive
Resolution .............................................. 1024
×
1024
Light transmission.................................. 75% (gouge hardness is greater
than 4 H per ASTM D3363-92 for
HCC01, HCG10, and HCG12)
Controller ............................................... RS232 interface or USB 1.1
OS support.............................................. Windows 9
x
/NT/2000/XP/
CE 4.2, MS-DOS
Lifespan.................................................. 1 million activations (typical)
at a single point with a 5/8 in.
diameter silicone finger with a
350 g load at 2 touches per second
Contact bounce....................................... <10 ms
Operating voltage ................................... 5 V (typical)
Sheet resistance ...................................... 350 +/– 22%
Ω
per square
Linearity ................................................. <1.5% full-scale linearity error in
either direction
Insulation resistance ............................... >20 M
Ω
@ 25 VDC
Test conditions ....................................... 4 H hardness, 0.04 in. stylus pen,
350 g load
Character activation life ......................... >100,000 characters written
within a 20
×
20 mm area on the
touchscreen
Chemical resistance................................ Hard coating is highly resistant to
most solvents and chemicals
Visible light transmission....................... 75% typical (>74% @ 550 nm
test)
Clarity..................................................... Clear finish—25%;
antiglare finish—15%
