Resistive Touchscreen Solutions

As pioneers in touchscreen engineering and manufacturing, Touch International designs and manufactures 4-wire, 5-wire, and 8-wire resistive touchscreen products for a wide variety of industries including medical, aerospace, industrial and retail. For projects requiring low cost, pressure sensing touchscreens with low power draw, Touch International’s resistive touchscreens deliver unparalleled value and flexibility in construction, design, and performance.

Whether your project requires enhanced optics, advanced functionality or multi-touch capabilities, our resistive touchscreens can be manufactured to meet your exact specifications. Talk to a Touch International sales rep today about building a resistive touch solution for your interactive project.

Advantages

Low Power Consumption
Liquid Resistant
Works with Finger, Glove, and Any Pointing Device

Disadvantages

Requires Periodic Calibration
Less Durable than Other Touch Technology
Lower Transmittance and Overall Optical Quality

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512.832.8292

Resistive Touch Screen with Insulated Dot Sensors

How It Works

With standard sizes ranging from 3.8” to 26”, Touch International’s resistive touchscreens are available as off-the-shelf touch panels or as fully customized touch solutions and are form, fit or function replacements for 3M™ and Elo™ touch sensors. Allowing for versatile input methods, Touch International’s resistive products work with bare and gloved fingers and any other input device.

The resistive touchscreen consists of a glass layer with a conductive coating on top and a polyester top sheet with a conductive coating on the bottom. The conductive surfaces are held apart by “spacer dots”, usually glass beads that are silk-screened onto the coated glass. On a 5-wire resistive design (the most commonly used kind of resistive screen in large format POS applications), a voltage is applied to the 4 corners of the glass layer. When a person presses on the top sheet, its conductive side comes in contact with the conductive side of the glass, effectively closing a circuit (this is called pressure sensing). The voltage at the point of contact is read from a wire connected to the top sheet.

Resistive Touch Screen Specifications

	4-wire	5-wire	8-wire
Stack Up:	Single top polyester conductive layer / Single bottom glass conductive layer	Single top polyester conductive layer / Single bottom glass conductive layer	Top polyester conductive layer / Bottom polyester conductive layer / Glass backer substrate
OPTICAL
Light Transmission:	> 80% Typical		> 75% Typical
ELECTRICAL
Input Method:	Finger, Pen Stylus		Finger
Insulation Impedance:	Exceeds 20M ohm, @DC 25V
Operational Voltage:	2.5V to 5V DC
MECHANICAL
Surface Hardness:	4H
Touch Activation Space:	50~80 g typical force (Finger), 25~50 g typical force (Pen Stylus)	80 g typical force
ENVIRONMENTAL
Operation Temperature:	-20° C ~50° C		-10ºC to 50ºC
Storage Temperature:	-40° C~ 75° C		20ºC to +60ºC
Humidity:	90% RH, noncondensing	95% RH, noncondensing	95% RH, noncondensing
Touch Durability:	5 million touches	35 million touches	1 million touches
Pen Durability:	1 million touches (Hitting), 100,000 strokes (Sliding)	10 million touches (Hitting), 1 million strokes (Sliding)	na
Chemical Resistance:	6% HC1, 40% H2SO4, 10% NaOH and 70% HNO3
OTHER
Warranty	1 year	5 year	2 year

Resistive Touchscreen Solutions

Advantages

Disadvantages

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How It Works

Resistive Touch Screen Specifications

Helpful Resources

Certifications & Compliance

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