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TS190A4B04 19 inch 4 wire resistive touch panel

TS190A4B04 19" 4 Wire Resistive Touch Screen Panel

Size: 19 inch
Technology: 4 Wire Resistive Touch Screen Panel
Model Number: TS190A4B04
Touch Point: 1 touch point
Touch Method: finger or any other objects with preasure
Certification: CE,FCC, ROHS, ISO9001
Surface coating: Glare/ anti-glare
Transmittance: 88%(approximately)
OS Support: Windows, Linux, Andriod
Controller: EETI(default)/ELO touch controller
Interface: USB/ serial port

A 4-wire resistive touch screen panel comprises several thin layers, the most important of which are two transparent electrically resistive layers facing each other with a thin gap between. The top layer (that which is touched) has a coating on the underside surface; just beneath it is a similar resistive layer on top of its substrate. One layer has conductive connections along its sides, the other along top and bottom. A voltage is applied to one layer, and sensed by the other. When an object, such as a fingertip or stylus tip, presses down onto the outer surface, the two layers touch to become connected at that point. The panel then behaves as a pair of voltage dividers, one axis at a time. By rapidly switching between each layer, the position of pressure on the screen can be detected.(This is also the reason why resistive touch screen have 1 touch point only)

Resistive touch panel is used in restaurants, factories and hospitals due to its high tolerance for liquids and contaminants. The main benefit of resistive touch technology is its low cost. Additionally, as only sufficient pressure is necessary for the touch to be sensed, they may be used with gloves on, or by using anything rigid as a finger substitute. Disadvantages include the need to press down, and a risk of damage by sharp objects. Resistive touch screen panel also suffer from poorer contrast, due to having additional reflections from the layers of material placed over the screen.

TS190A4B04 19" 4 Wire Resistive Touch Screen Panel 


Size 19 inch
Model Number TS190A4B04
Technology Obeytec 4 Wire Resistive Touch Screen
Screen structure ITO Film and ITO Glass fit, the middle to DOT points for isolation
Connector Spacing 2.54mm socket, standard AMP87499-9
Touch the media Fingers, gloved hands, pens, credit cards and so on
Screen thickness 1mm-5mm
screen size 0.9 inch -24 inch
Resolution 4096x4096
Response time Less than 8 milliseconds (finger input)
Touch the intensity 15-40gr with a hardness of 600 diameter of 16mm silicone grease
Conversion speed Less than 20ms
Position accuracy Standard deviation less than 2 mm
Touch density Touch resolution 4096x4096 touch point
Screen error Less than 1.5%
Supply voltage DC + 5V
Screen resistance 200Ω-50Ω (between X1-X2); 200Ω ~ 500Ω (between Y1-Y2)
Insulation resistance Greater than 20MΩ at DC25V
Electrostatic protection Can withstand arbitrary emissions of 20 kilovolt voltage on the screen surface 20 emissions (per IEC 801-2; 150pF and 150Ω)
Transmittance 75-85% (at a wavelength of 550 nm)
Operating temperature -20 ° C to 700 ° C
Storage temperature -25 ° C to 80 ° C
Destructive 3-12mm special process Fully finished optical glass as substrate. Use 1 pound at 130cm height to make it free to fall to the center of the glass and the glass is not broken.
Sealing characteristics Highly sealed material will filter device, frame and riot glass close close to prevent liquid leakage;
Operating temperature -20 degrees to 70 degrees
Storage temperature -40 degrees to 85 degrees
Working humidity 90% RH at 40 ° C (no condensation)
Storage humidity 90% RH at 40 ° C (no condensation)
Sealability Conforms to NEMA4 and IP65 standards
High temperature storage 80 ° C for 240 hours
Low temperature storage -25 ° C for 240 hours
Durability Mohs hardness 3H (according to ATSM D3363 standard)
Service life Single touch is greater than 5 million times



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