# How accurate are Roll-2-Roll® Sensors?

> Roll-2-Roll Sensors achieve 0.0635 mm (0.0025 in) hardware resolution with repeatability greater than 99.9%. This precision is maintained across all material types without recalibration. For comparison, this resolution is approximately the thickness of a human hair. The sensors also feature linea...

**Last updated:** 2026-01-31

**Source:** https://live-roll2roll.pantheonsite.io/resources/faq/how-accurate-are-roll-2-rollr-sensors

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## Question

How accurate are Roll-2-Roll® Sensors?

## Short Answer

Roll-2-Roll® Sensors achieve 0.0635mm resolution with >99.9% repeatability on all materials.

## Detailed Answer

[Roll-2-Roll® Sensors](https://r2r.tech/products/sensors) achieve 0.0635 mm (0.0025 in) hardware resolution with repeatability greater than 99.9%. This precision is maintained across all material types without recalibration. For comparison, this resolution is approximately the thickness of a human hair. The sensors also feature linearity error of less than 0.25% across the full sensing range.

**Category:** Technical

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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