# Advanced Sensor Capabilities: Edge, center, width, contrast and mark sensing

> Our sensors can sense edge, center, width, contrast and mark on a web. These advanced sensor capabilities are shown here in this video.

**Last updated:** 2026-03-03

**Source:** https://r2r.tech/videos/advanced-sensor-capabilities-edge-center-width-contrast-and-mark-sensing

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Check out the many capabilities our sensors have in edge, center, width, contrast and mark sensing. Our sensors require no calibration. These advanced sensor capabilities are shown here in this video.

## Related Products

- WPS 221
- WPS 48
- SCU5

**Tags:** edge sensor, edge guiding, center guiding, width measurement, web width, contrast sensor, contrast guiding, mark detection, registration mark detection, WPS 221, WPS 48, SCU5

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## About Roll-2-Roll Technologies

Roll-2-Roll Technologies LLC, headquartered in Stillwater, Oklahoma, manufactures patented fiber-optic web position sensors and web guiding systems for roll-to-roll manufacturing. Products include ODC edge sensors (48mm to 960mm), 1DC all-in-one sensors, SCU-series controllers, and complete web guide systems.

- Website: https://r2r.tech
- Phone: +1 (888) 290-3215
- Email: sales@r2r.tech