# WPS 48

> WPS 48 is the most versatile sensor of the Roll-2-Roll Sensor family. Applications for the sensor include edge sensing, contrast sensing, and line sensing.

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

**Source:** https://live-roll2roll.pantheonsite.io/products/sensors/wps-48

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> Highly Accurate Sensors Can Also Be Adaptive

## Specifications

| Sensor Type | Fiber Optic (diffuse-reflective) | Sensing Range | 48 mm (1.9 in) |
| ----------- | -------------------------------- | ------------- | -------------- |
| Image Sensor | 1D image sensor | Resolution | 0.0635 mm (0.0025 in) |
| Repeatability | >99.9% | Working Distance | 15-25 mm (0.6-1.0 in) |
| Response Time | 20 ms standard | Operating Temp | -10°C to 65°C (14°F to 150°F) |
| Protection Class | IP54 | Controller Required | Yes (SCU5 only) |
| Status | Legacy Product – Consider ODC 48 for new installations |

## Features

- Zero recalibration – sensor adapts automatically to any material (clear, opaque, metallic, nonwoven, mesh)
- Compact form factor – 48 mm (1.9 in) sensing range in a small housing
- Material-agnostic detection – fiber-optic technology based on light scattering and spatial filtering
- Temperature immune – unlike ultrasonic sensors, performance unaffected by temperature changes
- One sensor, multiple applications – edge guiding, width measurement, centerline detection

## Benefits

- Stop losing hours to sensor recalibration when switching between materials
- Eliminate changeover delays – no manual sensor adjustments between product runs
- End quality escapes caused by undetected sensor drift between changeovers
- Remove safety risks from operators accessing sensors in awkward positions
- Prevent hidden scrap from temperature-related inaccuracies that plague ultrasonic sensors

*Note: WPS is a legacy product line. For new installations, consider the *[ODC 48](https://r2r.tech/products/sensors/odc-48)(https://r2r.tech/products/sensors/odc-48)* with enhanced features.*

## Applications

- Edge position sensing on narrow web applications
- Web guiding for converting lines
- Width measurement for narrow materials
- Centerline detection

## Product Details

- **Web Widths:** Wide (48"-72"), Narrow (<12")
- **Line Speeds:** 1000+ fpm
- **Material Types:** Porous/Perforated, Nonwoven
- **Lead Time:** Legacy - Contact for Availability

## Documentation

**3D Model (STEP):** [1in Mounting Bracket for WPS and ODC Sensors](https://live-roll2roll.pantheonsite.io/documentation/3d-models/1in-mounting-bracket-wps-and-odc-sensors.md)

**Additional documentation:**
- [1.5in Mounting Bracket for WPS and ODC Sensors](https://live-roll2roll.pantheonsite.io/documentation/3d-models/15in-mounting-bracket-wps-and-odc-sensors.md)
- [ARIS Web Position Sensor Product Manual](https://live-roll2roll.pantheonsite.io/documentation/manuals/aris-web-position-sensor-product-manual.md)
- [CASE STUDY: Pneumo-hydraulic Web Guide Upgrade of a GWD Web Guide MA 2200](https://live-roll2roll.pantheonsite.io/documentation/case-studies/case-study-pneumo-hydraulic-web-guide-upgrade-gwd-web-guide-ma-2200.md)
- [CASE STUDY: Web Guide Sensor Upgrade - Metal Lamination](https://live-roll2roll.pantheonsite.io/documentation/case-studies/case-study-web-guide-sensor-upgrade-metal-lamination.md)
- [CASE STUDY: Web Guide Upgrade Kit for Aging Web Guides](https://live-roll2roll.pantheonsite.io/documentation/case-studies/case-study-web-guide-upgrade-kit-aging-web-guides.md)
- [Case Study - Line Guiding Application](https://live-roll2roll.pantheonsite.io/documentation/case-studies/case-study-line-guiding-application.md)
- [Case Study - Pneumo-hydraulic North American Web Guide Upgrade](https://live-roll2roll.pantheonsite.io/documentation/case-studies/case-study-pneumo-hydraulic-north-american-web-guide-upgrade.md)
- [Case Study - Uneven Edge Guiding - Specialty Sensing](https://live-roll2roll.pantheonsite.io/documentation/case-studies/case-study-uneven-edge-guiding-specialty-sensing.md)
- [Case Study - Wide Web Guide System for Textiles](https://live-roll2roll.pantheonsite.io/documentation/case-studies/case-study-wide-web-guide-system-textiles.md)
- [Mounting Bracket for 1.5in or 40mm Extrusion for WPS, ODC and 1DC Sensors](https://live-roll2roll.pantheonsite.io/documentation/3d-models/mounting-bracket-15in-or-40mm-extrusion-wps-odc-and-1dc-sensors.md)
- [Mounting Bracket for 1in or 25mm Extrusion for WPS, ODC and 1DC Sensors](https://live-roll2roll.pantheonsite.io/documentation/3d-models/mounting-bracket-1in-or-25mm-extrusion-wps-odc-and-1dc-sensors.md)
- [New Mounting Brackets for WPS, ODC and 1DC sensors - 1.5 in or 40 mm extrusion](https://live-roll2roll.pantheonsite.io/documentation/2d-drawings/new-mounting-brackets-wps-odc-and-1dc-sensors-15-or-40-mm-extrusion.md)
- [New Mounting Brackets for WPS, ODC and 1DC sensors - 1in or 25 mm extrusion](https://live-roll2roll.pantheonsite.io/documentation/2d-drawings/new-mounting-brackets-wps-odc-and-1dc-sensors-1in-or-25-mm-extrusion.md)
- [Roll-2-Roll® Sensor: WPS Product Brochure](https://live-roll2roll.pantheonsite.io/documentation/brochures/roll-2-rollr-sensor-wps-product-brochure.md)
- [SCU5 C(x)D Wiring with WPS Sensor (Industrial Ethernet)](https://live-roll2roll.pantheonsite.io/documentation/wiring-diagrams/scu5-cxd-wiring-wps-sensor-industrial-ethernet.md)
- [SCU5 D Wiring with WPS Sensor (Analog Output)](https://live-roll2roll.pantheonsite.io/documentation/wiring-diagrams/scu5-d-wiring-wps-sensor-analog-output.md)
- [SCU5 DD Wiring with WPS Sensor (Digital Output)](https://live-roll2roll.pantheonsite.io/documentation/wiring-diagrams/scu5-dd-wiring-wps-sensor-digital-output.md)
- [SCU5 DI Wiring with WPS Sensor (Digital Input and Output)](https://live-roll2roll.pantheonsite.io/documentation/wiring-diagrams/scu5-di-wiring-wps-sensor-digital-input-and-output.md)
- [Sensor Installation Recommendations](https://live-roll2roll.pantheonsite.io/documentation/manuals/sensor-installation-recommendations.md)
- [Sensor Installation Recommendations: Inspection Applications](https://live-roll2roll.pantheonsite.io/documentation/manuals/sensor-installation-recommendations-inspection-applications.md)
- [Sensor for Line Guiding and Contrast Guiding Applications](https://live-roll2roll.pantheonsite.io/documentation/white-papers/sensor-line-guiding-and-contrast-guiding-applications.md)
- [WPS 48-xx QD (1" Mounting)](https://live-roll2roll.pantheonsite.io/documentation/3d-models/wps-48-xx-qd-1-mounting.md)
- [WPS 48-xx QD (NW Rail)](https://live-roll2roll.pantheonsite.io/documentation/3d-models/wps-48-xx-qd-nw-rail.md)
- [WPS 48-xx QD (No Mounting Bracket)](https://live-roll2roll.pantheonsite.io/documentation/3d-models/wps-48-xx-qd-no-mounting-bracket.md)
- [WPS 48-xx QD: 2D Drawing (pdf)](https://live-roll2roll.pantheonsite.io/documentation/2d-drawings/wps-48-xx-qd-2d-drawing-pdf.md)
- [WPS 48: 2D Drawing (DXF)](https://live-roll2roll.pantheonsite.io/documentation/2d-drawings/wps-48-2d-drawing-dxf.md)

**Tags:** WPS Sensors, WPS 48, Sensors, Infrared Sensor, Web Edge Sensors, Ultraviolet Sensor, Contrast Sensors, Width Measurement Sensor, Thread counting and monitoring

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## About Roll-2-Roll Technologies

Roll-2-Roll Technologies designs and manufactures patented fiber-optic web position sensors and advanced web guiding controllers — the precision measurement and control core of modern roll-to-roll manufacturing. Spun out of Oklahoma State University's Web Handling Research Center and trusted by Fortune 500 medical, battery, and nonwovens manufacturers, our patented sensors work without recalibration at ±0.1mm accuracy up to 760 mpm — typical customer outcomes are 50%+ less downtime and payback under six months. Headquartered in Stillwater, Oklahoma, our team of PhDs, controls engineers, and industry veterans extends the sensor + controller core into complete web guide systems including stepper-motor-based linear actuators (RLA, BLA, LHS).

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