# You Don't Need to Calibrate Our Web Edge Sensor > Check out how simple and easy it is to install our sensors for edge guiding, line guiding, contrast guiding and width measurement applications. **Last updated:** 2026-03-03 **Source:** https://r2r.tech/videos/you-dont-need-calibrate-your-web-edge-sensor --- Are you tired of wasting time trying to calibrate your sensor on your web guiding system? Our sensor technology allows you to get away from the old calibration needy technology and makes installing and commissioning the edge sensor a simple operation. Check out how simple and easy it is to install our sensors for edge guiding, line guiding, contrast guiding and width measurement applications of any kind of web materials. ## Transcript Hi, this is Pedro Velasco with Roll-2-Roll Technologies. We've all seen the videos that show you how to calibrate a sensor for edge guiding purposes. It's a lengthy process, with many steps, complicated to some people to the point that we have we've seen in some converting lines the procedure posted so that the operator can follow the steps required for calibration Well, that is Old Technology. Our technology came into the market three years ago with a revolutionary way of sensing where you don't have to do any calibration. Here we show you how easy it is to install these sensors in comparison to the old processes where you have to go through a calibration step by step. This is the ARIS SCU5 sensor control unit. It's a very simple lightweight unit that is available with a screen or without a screen depending on your needs, but it can handle up to two sensors at a time. Today we will show you how easy it is just to get our sensor into operation with the sensor with the control unit. First, plug the sensor control unit to a 24 DC power supply I have installed a ARIS WPS 221 IR sensor which has a 221 millimeter sensing window and an infrared light source. All I'm going to do is just plug it in. Once I match the plug to the notch I can just put it in place and the ARIS SCU control unit immediately recognizes what type of sensor we have in is it a white light or an infrared sensor even the size of the sensor, so you don't have to worry about that either and we're going to set it up to edge mode right. As soon as I place the material in front the sensor it is immediately detected. I did no calibration for this. I can even change the material and put in something that's difficult as this, which is a bubble wrap and in it detects it. Not only that, I can change it to detect a string, count the number of strings, the position of the string. These are just some of the applications. What I wanted really to show you was that this is all you have to do in order to get our sensors into operation no calibration at all so why waste your time using old technology where you have to go through a lengthy process of calibration, when you can have this, which allows you to do all that in just a couple steps. To see more video materials on our website www.r2r-tech.com. ## Related Products - WPS 221 - SCU5 **Tags:** web edge position, edge sensor, edge guiding, web edge sensor, WPS 221, SCU5 --- ## 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