Preh mci touchkey Manual Suplementario

 

PrehKeyTec GmbH 

TK-TechDoc_RevB_en.doc - 2008-07-31 

Page  39/40 

 
Electronics: 
 
Supply voltage: 

 

+5 V ± 5% 

Current consumption: 

< 500 mA 

Interface: 

  USB 

LCD TouchKey: 

 

5.7 inch monochrome with 320 x 240 pixel 

Backlight: 

  LED 

Touch 

panel: 

  4-wire 

resistive 

 
 
Temperature and Environment Ratings: 
 
Operational temperature:  0°C to 50°C 
Air pressure:  

 

700 hPa to 1060 hPa 

Storage & transportation:  -30°C to 60°C 
Climatic class: 

 

DIN-IEC 68, part 1, appendix A 

Protection class: 

 

IP 54 from top 

 
 
Materials: 
 
Housing: 

  ABS 

Guide 

frame: 

  Polystrol 

Switching membrane: 

Polyester 

Spring elements: 

 

Elastomer 

Textile 

filter: 

  Trevira 

Keys and keycaps:   

PBT / POM / PC / PMMA 

TouchKey:   

 

ABS / PBT-GF30 / PS 

 
 
Certifications: 
 
ESD/EMC/EMV:  

CE 

Approval 

Emissions:   

 

EN55022, FCC Subpart 15, Class B 

Interface Immunity:  

Electrostatic discharge immunity according to 
EN 61000-4-2, resistance limit 8 kV (contact discharge), 
13 kV (air discharge)  
against high frequency electromagnetic fields; penetration 
test value = 10 V/m