{"id":75618,"date":"2020-11-02T15:14:07","date_gmt":"2020-11-02T13:14:07","guid":{"rendered":"https:\/\/www.lasit.it\/?p=75618"},"modified":"2024-08-08T12:36:27","modified_gmt":"2024-08-08T10:36:27","slug":"laser-safety-class","status":"publish","type":"post","link":"https:\/\/www.lasitlaser.com\/laser-safety-class\/","title":{"rendered":"What class is your laser? What you should know for your safety"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"75618\" class=\"elementor elementor-75618 elementor-74913\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-10dfe596 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"10dfe596\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-583c947\" data-id=\"583c947\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3e8746bc elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"3e8746bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-406e24ed\" data-id=\"406e24ed\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2f071513 elementor-widget elementor-widget-heading\" data-id=\"2f071513\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\"><strong>Laser Classes<\/strong><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ccbc001 elementor-widget elementor-widget-heading\" data-id=\"ccbc001\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What class is your laser? <br>What you should know for your safety<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-60023738\" data-id=\"60023738\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d9a8229 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"d9a8229\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-50c50859 elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"50c50859\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-5b516880\" data-id=\"5b516880\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-67824997 elementor-widget elementor-widget-text-editor\" data-id=\"67824997\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>When we say <strong>\u201cLASER\u201d<\/strong> we refer to a large range of products with a lot of different applications. In the mechanical industry, laser systems are often fitted with high-power sources and may cause damage if you don\u2019t apply the measures to prevent them.<\/p><p><strong>Standard IEC 60825-1<\/strong> (ANSI Z136 in the US) divides laser systems in <strong>classes<\/strong>. Classes depend on <strong>how the system is built <\/strong>and the power and <strong>wavelength<\/strong> of the laser.<\/p><p>The manufacturer classifies its laser systems indicating the <strong>danger level for the operator<\/strong> and the necessary <strong>precautions<\/strong> to use the product without negative consequences.<\/p><p>Let\u2019s analyze the different classes and the main differences between them.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-5c84f297\" data-id=\"5c84f297\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8b52a02 elementor-widget elementor-widget-image\" data-id=\"8b52a02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img  title=\"\" fetchpriority=\"high\" decoding=\"async\" width=\"608\" height=\"462\" src=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/sicurezza-laser.jpg\" class=\"attachment-large size-large wp-image-74678\"  alt=\"sicurezza-laser What class is your laser? What you should know for your safety\"  srcset=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/sicurezza-laser.jpg 608w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/sicurezza-laser-300x228.jpg 300w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/sicurezza-laser-65x49.jpg 65w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/sicurezza-laser-246x187.jpg 246w\" sizes=\"(max-width: 608px) 100vw, 608px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7fd4234f elementor-reverse-mobile elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7fd4234f\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-64980f74\" data-id=\"64980f74\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4c53bfa4 elementor-widget elementor-widget-heading\" data-id=\"4c53bfa4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Class 1 lasers<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-743ca2d elementor-widget elementor-widget-text-editor\" data-id=\"743ca2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Class 1 laser systems<\/strong> are the <strong>safest for the operator<\/strong>. They don\u2019t cause damage, even in case of prolonged contact with the eyes and optical instruments because their output energy is few microwatts.<\/p><p>Class 3 or 4 laser systems, if closed in a cabinet that prevents beam leakage, can be classified as class 1, because the external structure protects the operator at 100%.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-6f8cebb9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6f8cebb9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-75736d39\" data-id=\"75736d39\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1f667491 elementor-widget elementor-widget-image\" data-id=\"1f667491\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img  title=\"\" decoding=\"async\" width=\"447\" height=\"308\" src=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2018\/12\/MinimarkThumbs03.jpg\" class=\"attachment-large size-large wp-image-60424\"  alt=\"MinimarkThumbs03 What class is your laser? What you should know for your safety\"  srcset=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2018\/12\/MinimarkThumbs03.jpg 447w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2018\/12\/MinimarkThumbs03-65x45.jpg 65w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2018\/12\/MinimarkThumbs03-300x207.jpg 300w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2018\/12\/MinimarkThumbs03-271x187.jpg 271w\" sizes=\"(max-width: 447px) 100vw, 447px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a0e4064 elementor-widget elementor-widget-text-editor\" data-id=\"7a0e4064\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Class 4 laser<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-41afc0b3\" data-id=\"41afc0b3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-537833ad elementor-widget elementor-widget-image\" data-id=\"537833ad\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.lasitlaser.com\/laser-marking-minimark\/\">\n\t\t\t\t\t\t\t<img  title=\"\" decoding=\"async\" width=\"447\" height=\"308\" src=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/minimark.jpg\" class=\"attachment-large size-large wp-image-74683\"  alt=\"minimark What class is your laser? What you should know for your safety\"  srcset=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/minimark.jpg 447w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/minimark-300x207.jpg 300w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/minimark-65x45.jpg 65w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/minimark-271x187.jpg 271w\" sizes=\"(max-width: 447px) 100vw, 447px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3616f606 elementor-widget elementor-widget-text-editor\" data-id=\"3616f606\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Class 1 laser<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-fbc71d1\" data-id=\"fbc71d1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-45202de9 elementor-widget elementor-widget-heading\" data-id=\"45202de9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Class 1M lasers<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c3e3b42 elementor-widget elementor-widget-text-editor\" data-id=\"1c3e3b42\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Class 1M laser systems<\/strong> <strong>are very similar to class 1 lasers<\/strong> in terms of danger for the human eye. The difference is that, in this case, they can <strong>be dangerous if we look at the beam using magnifying optical instruments<\/strong>, such as telescopes or microscopes&nbsp;<span style=\"font-family: var( --e-global-typography-text-font-family ), Sans-serif; font-size: var( --e-global-typography-text-font-size ); font-weight: var( --e-global-typography-text-font-weight );\">Diode lasers, fiber communication systems and laser speed meters are class 1M lasers.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34a7f961 elementor-widget elementor-widget-image\" data-id=\"34a7f961\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img  title=\"\" loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"311\" src=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/11\/02-1.jpg\" class=\"attachment-large size-large wp-image-82966\"  alt=\"02-1 What class is your laser? What you should know for your safety\"  srcset=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/11\/02-1.jpg 800w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/11\/02-1-300x117.jpg 300w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/11\/02-1-65x25.jpg 65w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/11\/02-1-768x299.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-43e5cb0d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"43e5cb0d\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-7187e42e\" data-id=\"7187e42e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-36f50120 elementor-widget elementor-widget-heading\" data-id=\"36f50120\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Class 2 lasers<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5caf8084 elementor-widget elementor-widget-text-editor\" data-id=\"5caf8084\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Class 2 lasers<\/strong> apply to <strong>visible-light lasers<\/strong> and are <strong>limited to 1 mW<\/strong> continuous wave. They are dangerous only if we stare at the beam intentionally for about 1000 seconds, based on the old classification system.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-41cbdde5\" data-id=\"41cbdde5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b7ef40a elementor-widget elementor-widget-heading\" data-id=\"b7ef40a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h5 class=\"elementor-heading-title elementor-size-default\">Class 2M lasers<\/h5>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5482a5dd elementor-widget elementor-widget-text-editor\" data-id=\"5482a5dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The <strong>laser beam<\/strong> of this category has a <strong>wavelength between 400-700 nm<\/strong>. Even in this case, laser isn\u2019t harmful, unless we use optical instruments and stare at the beam for long time. The manufacturer must indicate what optical instruments can cause damage<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2cc7ba9e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2cc7ba9e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-wider\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-3bf7aa8f\" data-id=\"3bf7aa8f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6f205888 elementor-widget elementor-widget-heading\" data-id=\"6f205888\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">Class 3R lasers<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-71adf49d elementor-widget elementor-widget-image\" data-id=\"71adf49d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img  title=\"\" loading=\"lazy\" decoding=\"async\" width=\"373\" height=\"240\" src=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/240_F_185646692_w891BIeaj3lJrl12gJUQZCIYLxmj3Ktp.jpg\" class=\"attachment-large size-large wp-image-74713\"  alt=\"240_F_185646692_w891BIeaj3lJrl12gJUQZCIYLxmj3Ktp What class is your laser? What you should know for your safety\"  srcset=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/240_F_185646692_w891BIeaj3lJrl12gJUQZCIYLxmj3Ktp.jpg 373w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/240_F_185646692_w891BIeaj3lJrl12gJUQZCIYLxmj3Ktp-300x193.jpg 300w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/240_F_185646692_w891BIeaj3lJrl12gJUQZCIYLxmj3Ktp-65x42.jpg 65w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/240_F_185646692_w891BIeaj3lJrl12gJUQZCIYLxmj3Ktp-280x180.jpg 280w\" sizes=\"(max-width: 373px) 100vw, 373px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7901cab7 elementor-widget elementor-widget-text-editor\" data-id=\"7901cab7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Even if the R stands for relaxed, <strong>these lasers are slightly more dangerous<\/strong> than the 2M ones. Short exposure is not harmful, unlike <strong>prolonged exposure<\/strong>. An acceptable exposure time varies based on the wavelength. In general, Class 3R lasers are considered <strong>safe<\/strong>. However, the manufacturer must apply a warning label to them.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-4c0925d3\" data-id=\"4c0925d3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1f6a5c48 elementor-widget elementor-widget-heading\" data-id=\"1f6a5c48\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">Class 3B lasers<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-667dcd8f elementor-widget elementor-widget-image\" data-id=\"667dcd8f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img  title=\"\" loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"240\" src=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/lasit3.jpg\" class=\"attachment-large size-large wp-image-74708\"  alt=\"lasit3 What class is your laser? What you should know for your safety\"  srcset=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/lasit3.jpg 360w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/lasit3-300x200.jpg 300w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/lasit3-65x43.jpg 65w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/lasit3-280x187.jpg 280w\" sizes=\"(max-width: 360px) 100vw, 360px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b15c265 elementor-widget elementor-widget-text-editor\" data-id=\"1b15c265\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>These <strong>lasers are dangerous even in case of short time exposure<\/strong> and can cause minor burns on the skin. Emission limits of Class 3B lasers:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17cf4333 elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"17cf4333\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Continuous-wave lasers cannot exceed 0.5 watts if their wavelength is between 315 nm and the far infrared<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-check\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M173.898 439.404l-166.4-166.4c-9.997-9.997-9.997-26.206 0-36.204l36.203-36.204c9.997-9.998 26.207-9.998 36.204 0L192 312.69 432.095 72.596c9.997-9.997 26.207-9.997 36.204 0l36.203 36.204c9.997 9.997 9.997 26.206 0 36.204l-294.4 294.401c-9.998 9.997-26.207 9.997-36.204-.001z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Pulsed lasers cannot exceed 30 millijoules if they\u2019re within the visible laser light range (between 400\u2014700 nm)<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-6c0d3b61\" data-id=\"6c0d3b61\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-34854c0a elementor-widget elementor-widget-heading\" data-id=\"34854c0a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">Class 4 lasers<\/h6>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50b4f9e7 elementor-widget elementor-widget-image\" data-id=\"50b4f9e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img  title=\"\" loading=\"lazy\" decoding=\"async\" width=\"360\" height=\"240\" src=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/240_F_104222122_QK0QkSUrz5ZTmLHAUYAqRQXZjxJSq9u7.jpg\" class=\"attachment-large size-large wp-image-74718\"  alt=\"240_F_104222122_QK0QkSUrz5ZTmLHAUYAqRQXZjxJSq9u7 What class is your laser? What you should know for your safety\"  srcset=\"https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/240_F_104222122_QK0QkSUrz5ZTmLHAUYAqRQXZjxJSq9u7.jpg 360w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/240_F_104222122_QK0QkSUrz5ZTmLHAUYAqRQXZjxJSq9u7-300x200.jpg 300w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/240_F_104222122_QK0QkSUrz5ZTmLHAUYAqRQXZjxJSq9u7-65x43.jpg 65w, https:\/\/www.lasitlaser.com\/wp-content\/uploads\/2020\/10\/240_F_104222122_QK0QkSUrz5ZTmLHAUYAqRQXZjxJSq9u7-280x187.jpg 280w\" sizes=\"(max-width: 360px) 100vw, 360px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30fc1564 elementor-widget elementor-widget-text-editor\" data-id=\"30fc1564\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>These lasers are the <strong>most dangerous ones<\/strong>. They can <strong>damage eyes and skin<\/strong> but also <strong>burn<\/strong> some materials. Being more powerful, they are mostly used for cutting, <strong><a class=\"wpil_keyword_link\" href=\"https:\/\/www.lasitlaser.com\/laser-engraving-machine\/\"   title=\"laser engraving\" data-wpil-keyword-link=\"linked\">laser engraving<\/a><\/strong>, welding and cleaning.<\/p><p>Obviously, if they are protected with a cabinet, the operator is totally safe.<\/p><p>If you work with this type of laser, you need to wear protective goggles, avoid contact and remove flammable materials both from the beam and laser reflections.<\/p><p>In conclusion, it&#8217;s important to know the product we are going to buy and how to obtain all the certifications that prove its safety. If you need to buy a <a class=\"wpil_keyword_link\" href=\"https:\/\/www.lasitlaser.com\/\"   title=\"laser marking\" data-wpil-keyword-link=\"linked\">laser marking<\/a> system or any type of laser, you can ask the manufacturer for all the documentation.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5aa7a864 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5aa7a864\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-ac42f8a\" data-id=\"ac42f8a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-35f717b2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"35f717b2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-7f92cc84\" data-id=\"7f92cc84\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6a727240 elementor-widget elementor-widget-text-editor\" data-id=\"6a727240\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Did you like this article?<\/strong><br \/>Share it on<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-680e6dd0\" data-id=\"680e6dd0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-47bd9e0b elementor-share-buttons--view-icon elementor-share-buttons--shape-circle elementor-share-buttons--skin-gradient elementor-grid-0 elementor-share-buttons--color-official elementor-widget elementor-widget-share-buttons\" data-id=\"47bd9e0b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-grid\" 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19.9 53.7 22.6 57.4 2.8 3.7 39.1 59.7 94.8 83.8 35.2 15.2 49 16.5 66.6 13.9 10.7-1.6 32.8-13.4 37.4-26.4 4.6-13 4.6-24.1 3.2-26.4-1.3-2.5-5-3.9-10.5-6.6z\"><\/path><\/svg>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-6794ed28\" data-id=\"6794ed28\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Laser Classes What class is your laser? What you should know for your safety When we say \u201cLASER\u201d we refer to a large range of products with a lot of different applications. In the mechanical industry, laser systems are often fitted with high-power sources and may cause damage if you don\u2019t apply the measures to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":87930,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9252],"tags":[],"menu-item":[],"class_list":["post-75618","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-laser-applications"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>What class is your laser? What you should know for your safety<\/title>\n<meta name=\"description\" content=\"Everything you need to know about laser markers and system safety operators and the environment.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lasitlaser.com\/laser-safety-class\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What class is your laser? What you should know for your safety\" \/>\n<meta property=\"og:description\" content=\"Everything you need to know about laser markers and system safety operators and the environment.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.lasitlaser.com\/laser-safety-class\/\" \/>\n<meta property=\"og:site_name\" content=\"LASIT - Laser marking\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/LASIT.Marcatura.Laser\/\" \/>\n<meta property=\"article:published_time\" content=\"2020-11-02T13:14:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-08-08T10:36:27+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.lasit.it\/wp-content\/uploads\/2020\/11\/classe.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.lasitlaser.com\\\/laser-safety-class\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.lasitlaser.com\\\/laser-safety-class\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/www.lasitlaser.com\\\/#\\\/schema\\\/person\\\/e15a5ebe9af64c2b6f83230742b19d79\"},\"headline\":\"What class is your laser? 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