{"id":630,"date":"2026-03-05T16:02:39","date_gmt":"2026-03-05T15:02:39","guid":{"rendered":"https:\/\/eltra.bfenterprise.it\/services-support\/corrispondenza-tra-le-serie-el-ed-er\/"},"modified":"2026-03-17T15:19:29","modified_gmt":"2026-03-17T14:19:29","slug":"correspondence-between-el-and-er-series","status":"publish","type":"page","link":"https:\/\/eltra.bfenterprise.it\/en\/services-support\/correspondence-between-el-and-er-series\/","title":{"rendered":"Correspondence between EL and ER series"},"content":{"rendered":"<p>Our\u00a0<strong>Research &amp; Development Team<\/strong>\u00a0is continuously searching for new solutions and improvements to the electronics and mechanical performance of our transducers.<\/p>\n<p>As a result of several technical modifications and implementations, the\u00a0<strong>optical incremental &#8220;EL&#8221; encoder series<\/strong>\u00a0has been updated by the new\u00a0<strong>&#8220;ER&#8221;<\/strong>\u00a0series.<\/p>\n<p>The\u00a0<strong>&#8220;ER&#8221;<\/strong>\u00a0encoder series are<strong>\u00a0interchangeable<\/strong>\u00a0with the previous\u00a0<strong>&#8220;EL&#8221;<\/strong>, having the same design though with interesting\u00a0<strong>application benefits<\/strong>:<\/p>\n<ul>\n<li>Increase of <strong>temperature range<\/strong><\/li>\n<li>Increase of <strong>operating frequency<\/strong><\/li>\n<\/ul>\n<p>Please find below a comparative scheme between &#8220;EL&#8221; and &#8220;ER&#8221; series:<\/p>\n<table dir=\"ltr\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th width=\"218\" height=\"21\"><\/th>\n<th class=\"xl69\" width=\"64\"><strong>EL 30<\/strong><\/th>\n<th class=\"xl69\" width=\"64\"><strong>ER 30<\/strong><\/th>\n<th width=\"64\"><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"xl65\" height=\"20\">Operating temperature [\u00b0C]<\/td>\n<td class=\"xl66\">-10 \/ +60<\/td>\n<td class=\"xl67\">-25 \/ +85<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl65\" height=\"20\">Max frequency [kHz]<\/td>\n<td class=\"xl68\">100<\/td>\n<td class=\"xl68\">220<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" colspan=\"4\" height=\"20\">Go to\u00a0<a href=\"[sitetree_link,id=95]\" target=\"_blank\" rel=\"noopener\">product page<\/a>\u00a0for full details<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table dir=\"ltr\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th class=\"xl63\" height=\"21\"><\/th>\n<th class=\"xl69\"><strong>EL 38<\/strong><\/th>\n<th class=\"xl69\"><strong>ER 38<\/strong><\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"xl65\" height=\"20\">Operating temperature [\u00b0C]<\/td>\n<td class=\"xl66\">-10 \/ +60<\/td>\n<td class=\"xl67\">-20 \/ +85<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl65\" height=\"20\">Max frequency [kHz]<\/td>\n<td class=\"xl68\">150<\/td>\n<td class=\"xl68\">220<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" colspan=\"4\" height=\"20\">Go to\u00a0<a href=\"[sitetree_link,id=95]\" target=\"_blank\" rel=\"noopener\">product page<\/a>\u00a0for full details<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table dir=\"ltr\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th class=\"xl63\" height=\"21\"><\/th>\n<th class=\"xl69\"><strong>EH 40<\/strong><\/th>\n<th class=\"xl69\"><strong>EL 40<\/strong><\/th>\n<th class=\"xl69\"><strong>ER 40<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"xl70\" height=\"20\">Operating temperature [\u00b0C]<\/td>\n<td class=\"xl68\">0 \/ +60<\/td>\n<td class=\"xl67\">-10 \/ +60<\/td>\n<td class=\"xl67\">-25 \/ +85<\/td>\n<\/tr>\n<tr>\n<td class=\"xl70\" height=\"20\">Max frequency [kHz]<\/td>\n<td class=\"xl68\">40<\/td>\n<td class=\"xl68\">150<\/td>\n<td class=\"xl68\">220<\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" colspan=\"4\" height=\"20\">Go to\u00a0<a href=\"[sitetree_link,id=95]\" target=\"_blank\" rel=\"noopener\">product page<\/a>\u00a0for full details<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table dir=\"ltr\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th class=\"xl63\" height=\"20\"><\/th>\n<th class=\"xl71\"><strong>EL 53<\/strong><\/th>\n<th class=\"xl71\"><strong>ER 53<\/strong><\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"xl63\" height=\"20\">Operating temperature [\u00b0C]<\/td>\n<td class=\"xl71\">-10 \/ +60<\/td>\n<td class=\"xl71\">-25 \/ +85<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" height=\"20\">Max frequency [kHz]<\/td>\n<td class=\"xl71\">300<\/td>\n<td class=\"xl71\">500<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" height=\"20\">Go to\u00a0<a href=\"[sitetree_link,id=95]\" target=\"_blank\" rel=\"noopener\">product page<\/a>\u00a0for full details<\/td>\n<td class=\"xl71\"><\/td>\n<td class=\"xl71\"><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table dir=\"ltr\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th class=\"xl63\" height=\"20\"><\/th>\n<th class=\"xl71\"><strong>EL 58<\/strong><\/th>\n<th class=\"xl71\"><strong>ER 58<\/strong><\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"xl70\" height=\"20\">Operating temperature [\u00b0C]<\/td>\n<td class=\"xl66\">-10 \/ +60<\/td>\n<td class=\"xl67\">-25 \/ +85<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl70\" height=\"20\">Max frequency [kHz]<\/td>\n<td class=\"xl66\">300<\/td>\n<td class=\"xl67\">500<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" colspan=\"4\" height=\"20\">Go to\u00a0<a href=\"[sitetree_link,id=95]\" target=\"_blank\" rel=\"noopener\">product page<\/a>\u00a0for full details<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table dir=\"ltr\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th class=\"xl63\" height=\"20\"><\/th>\n<th class=\"xl71\"><strong>EL 63<\/strong><\/th>\n<th class=\"xl71\"><strong>ER 63<\/strong><\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"xl70\" height=\"20\">Operating temperature [\u00b0C]<\/td>\n<td class=\"xl66\">-10 \/ +60<\/td>\n<td class=\"xl67\">-25 \/ +85<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl70\" height=\"20\">Max frequency [kHz]<\/td>\n<td class=\"xl66\">300<\/td>\n<td class=\"xl67\">500<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" colspan=\"4\" height=\"20\">Go to\u00a0<a href=\"[sitetree_link,id=95]\" target=\"_blank\" rel=\"noopener\">product page<\/a>\u00a0for full details<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table dir=\"ltr\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th class=\"xl63\" height=\"20\"><\/th>\n<th class=\"xl71\"><strong>EL 72<\/strong><\/th>\n<th class=\"xl71\"><strong>ER 72<\/strong><\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"xl63\" height=\"20\">Operating temperature [\u00b0C]<\/td>\n<td class=\"xl71\">-10 \/ +60<\/td>\n<td class=\"xl71\">-25 \/ +85<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" height=\"20\">Max frequency [kHz]<\/td>\n<td class=\"xl71\">300<\/td>\n<td class=\"xl71\">500<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" height=\"20\">Go to\u00a0<a href=\"[sitetree_link,id=95]\" target=\"_blank\" rel=\"noopener\">product page<\/a>\u00a0for full details<\/td>\n<td class=\"xl71\"><\/td>\n<td class=\"xl71\"><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table dir=\"ltr\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th class=\"xl63\" height=\"20\"><\/th>\n<th class=\"xl71\"><strong>EL 90<\/strong><\/th>\n<th class=\"xl71\"><strong>ER 90<\/strong><\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"xl70\" height=\"20\">Operating temperature [\u00b0C]<\/td>\n<td class=\"xl66\">-10 \/ +60<\/td>\n<td class=\"xl67\">-25 \/ +85<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl70\" height=\"20\">Max frequency [kHz]<\/td>\n<td class=\"xl66\">300<\/td>\n<td class=\"xl67\">500<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl63\" colspan=\"4\" height=\"20\">Go to\u00a0<a href=\"[sitetree_link,id=95]\" target=\"_blank\" rel=\"noopener\">product page<\/a>\u00a0for full details<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table dir=\"ltr\" cellspacing=\"0\" cellpadding=\"0\">\n<thead>\n<tr>\n<th class=\"xl63\" height=\"20\"><\/th>\n<th class=\"xl71\"><strong>EL 115<\/strong><\/th>\n<th class=\"xl71\"><strong>ER 115<\/strong><\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"xl70\" height=\"20\">Operating temperature [\u00b0C]<\/td>\n<td class=\"xl66\">-10 \/ +60<\/td>\n<td class=\"xl67\">-25 \/ +85<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl70\" height=\"20\">Max frequency [kHz]<\/td>\n<td class=\"xl66\">300<\/td>\n<td class=\"xl67\">500<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td class=\"xl70\" colspan=\"4\" height=\"20\">Go to\u00a0<a href=\"[sitetree_link,id=95]\" target=\"_blank\" rel=\"noopener\">product page<\/a>\u00a0for full details<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Our\u00a0Research &amp; Development Team\u00a0is continuously searching for new solutions and improvements to the electronics and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":609,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-630","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/eltra.bfenterprise.it\/en\/wp-json\/wp\/v2\/pages\/630","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eltra.bfenterprise.it\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/eltra.bfenterprise.it\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/eltra.bfenterprise.it\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/eltra.bfenterprise.it\/en\/wp-json\/wp\/v2\/comments?post=630"}],"version-history":[{"count":2,"href":"https:\/\/eltra.bfenterprise.it\/en\/wp-json\/wp\/v2\/pages\/630\/revisions"}],"predecessor-version":[{"id":653,"href":"https:\/\/eltra.bfenterprise.it\/en\/wp-json\/wp\/v2\/pages\/630\/revisions\/653"}],"up":[{"embeddable":true,"href":"https:\/\/eltra.bfenterprise.it\/en\/wp-json\/wp\/v2\/pages\/609"}],"wp:attachment":[{"href":"https:\/\/eltra.bfenterprise.it\/en\/wp-json\/wp\/v2\/media?parent=630"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}