Appendix A Specifications

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 9x/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 MΩ @ 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%

© National Instruments Corporation

A-3

FPT-1015 User Manual