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Products introduction -> 4 -wire resistive touch screen ->  Operating Principle
   
Application For 4-wire Analog Touch Screen
  Operating Principle Electronics Characteristic
   
  4 -wire resistive touch screen  

   
 
 
name：4 wire resistvie touch screen panel
size ：2.4"

Specification：
Outside Dimension 45.4MM*61MM
viewing area 36.2MM*53MM
Active area 34.2MM*51MM
Surface　Hardness 3H
Optical　 Clarity 80%↑
Operating　Temperature -10C ~60C
Endurance　Test 　strikes Over1million
Operating　Voltage DC5V
Resistance 200Ω~900Ω
Linearity 1.5%
Faceplate　Surface Anti-glare　coating，glare coating
Film Thickness 0.175mm, 0.188mm
Glass Thickness 0.7mm, 1.1mm,1.8mm
Operation　Pressure 20~150g
Storage　Temperature -30℃ ~80 ℃
Message　Noise 5m sec ~ 15m sec
Operating　Current 5mA~25mA
Humidity <95%
Isolation　Resistance 20MΩ↑ ＠ DC25V
Sealable against dust ,water, oil , static

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Shenzhen Top Touch Electronics Co., Ltd
Office : Room 20G , B block ,World trade plaza ,Fuhong Rd, Futian DistrictShenzhen China
Tel:（86）0755-88833995  88830136    Fax:（86）0755-88850072   E-mail: info@sztoptouch.com 
Factory address:Shen yue lndustry Zone,Liguang Village,Guanlan Town,Bao’an Disrict,Shenzhen,China.
Tel: （86）0755-88850073      Fax:（86）0755-29815961
MSN：chinatoptouch@hotmail.com 、 chinatoptouch-export@hotmail.com       
QQ: 450193150、767734134    SKYPE： chinatoptouch