User manual
3 TPC-1250H/1550H/1750H User Manual
Chapter 1 General Information
1.3 LCD Specifications 
1.4 Touchscreen Specifications 
 Touch Type: Resistive 
 Base Glass Construction: Tempered glass 
 Resolution: 1024 x 1024 
 Light Transmission: 80% ± 3% (Measured by BYK-Gardner) 
 Controller: RS-232 Interface 
 Lifespan: 10 million touches at single point 
1.5 Power 
 Input Voltage: 18 - 28 V
DC
, 18 - 32 V
DC
(TPC-1750H) 
 Typical: 24 V
DC
 @ 1.54 Amp
TPC-1250H/1550H/1750H
Display Type TFT LCD 
Size (diagonal) 12.1", 15", 17"
Maximum Resolution 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA)
Maximum Colors 262K 
Viewing Angle 160°/140°, 160°/140°, 170°/160°
Luminance (cd / m2) 450, 300, 350
Contrast Ratio 700:1, 700:1, 1000:1 
Operating Temperature -30 ~ 85°C 
Backlight  LED 
Note! There might be several bright or dark pixels on the LCD. This phenome-
non is normal in today’s LCD manufacturing. 
Note! Touchscreen ITO maybe crash duo to heavy usage .
Note! The fuse will become an open circuit if the input level exceeds 29 V
DC










