1.0Engineer News Networkhttps://www.engineernewsnetwork.com/blogrich600338<blockquote class="wp-embedded-content" data-secret="WuZ1IES5Ol"><a href="https://www.engineernewsnetwork.com/blog/inline-thickness-measurement/">Inline thickness measurement</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.engineernewsnetwork.com/blog/inline-thickness-measurement/embed/#?secret=WuZ1IES5Ol" width="600" height="338" title="“Inline thickness measurement” — Engineer News Network" data-secret="WuZ1IES5Ol" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.engineernewsnetwork.com/blog/wp-includes/js/wp-embed.min.js </script> https://www.engineernewsnetwork.com/blog/wp-content/uploads/2024/03/ME447-Checking-product-thickness_lres.jpg1210908When selecting an in-process system for measuring the thickness of film, plate or sheet materials, a number of challenges need to be considered, including sensor alignment, linearity and the effects of thermal changes, says Glenn Wedgbrow There are many reasons why we need to measure thickness. All materials have a tolerance in production, so any …