Touch overlay is a transparent protective layer with touch-sensitive technology that enables user interaction with HMI screens in industrial environments.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| IP Rating | IP65-IP69K | |
| Interface | USB, I2C, RS-232 | |
| Thickness | 0.5-3.0 mm | |
| Touch Points | Single to multi-touch (up to 10 points) | |
| Response Time | <10 ms | |
| Transmittance | >88% | |
| Surface Hardness | 7H-9H pencil hardness | |
| Chemical Resistance | Resistant to oils, solvents, and cleaning agents | |
| Operating Temperature | -20°C to 70°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
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Capacitive overlays use conductive layers that detect touch through capacitance changes, offering multi-touch capability and better clarity. Resistive overlays use pressure-sensitive layers that make contact when pressed, providing higher durability and working with any stylus but with reduced optical clarity.
Use isopropyl alcohol (70% concentration) with a soft, lint-free cloth. Avoid abrasive cleaners, ammonia-based solutions, or excessive pressure that could damage the surface coating.
Yes, overlays can be customized with specific coatings (anti-glare, anti-fingerprint), shapes, connector types, and integration with protective bezels or mounting systems for particular industrial environments.
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