Advantech AWS-8248 - Manual (Page 64)

AWS-8248 User’s Manual 56
Appendix C Optional Touchscreen
C.1 Specifications
Electrical
Operating Voltage: 3.3 to 5 VDC typical
Sheet Resistance: 220
± 30% W/square
Linearity: +/- 1.5% full scale linearity error in either
direction.
Insulation Resistance: > 20
ΜΩ @ 25 VDC.
Optical
Total light Transmission: 68% typical (> 66% @ 550 nm test)
Environmental
Operating Temperature Range: -20°C to +50°C, ambient humidity
Storage Temperature High: +70°C, 500 hours at ambient humidity
Storage Temperature Low: -40°C, continuous at ambient humidity
Accelerated Aging: 100 hours continuous exposure at
60°C/95% RH
Thermal Shock: 25 cycles (one cycle is
30 min. dwell alternating from -40°C
to +85°C with less than 10 min. trans
fer time).
Mechanical
Activation Method: Gloved or ungloved finger
Delrin or plastic stylus (no metal) with
1mm radius full hemispherical tip
Activation Force: < 70g average with non-metal stylus
< 90g average with 5/8” diameter sili
cone finger