{"id":3235,"date":"2023-05-02T06:43:31","date_gmt":"2023-05-02T06:43:31","guid":{"rendered":"https:\/\/thermibel.be\/faq\/what-colour-codes-and-tolerances-apply-to-thermocouples\/"},"modified":"2023-06-27T07:07:42","modified_gmt":"2023-06-27T07:07:42","slug":"what-colour-codes-and-tolerances-apply-to-thermocouples","status":"publish","type":"faq","link":"https:\/\/thermibel.be\/en\/faq\/what-colour-codes-and-tolerances-apply-to-thermocouples\/","title":{"rendered":"What colour codes and tolerances apply to thermocouples?"},"content":{"rendered":"\n<p>The metals and alloys used have proven properties and are standardised at international level in terms of materials, transfer curves, symbols, tolerances and colour codes in accordance with standards:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IEC 584-1 (formerly NF C 42-321) Reference tables &#8211; e = f(\u0398)<\/li>\n\n\n\n<li>IEC 584-2 (formerly NF C 42-322) Tolerances<\/li>\n\n\n\n<li>IEC 584-3 (formerly NF C 42-323) Identification of thermocouples and compensating cables<\/li>\n\n\n\n<li>IEC 584-4 (formerly NF C 42-324) Extension and compensating cables for thermocouples<\/li>\n\n\n\n<li>IEC 584-5 (formerly NF C 42-325) \u201cCoated\u201d cables and thermocouples<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Type<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Colours<br>IEC 584-3<br>(+ \/ -)<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Colours<br>NF C 42-323<br>1985<br>(+ \/ -)<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Usage<br>range<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Tolerances NF EN 60-584<br>Class 1<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Tolerances NF EN 60-584<br>Class 2<\/strong><strong><\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>B<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Grey \/ White<\/td><td class=\"has-text-align-center\" data-align=\"center\">Yellow \/ Grey<\/td><td class=\"has-text-align-center\" data-align=\"center\">+600 to +1700\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211;<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b10.0025.\u0398 from 600 to +1700\u00b0C<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>E<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Purple \/ White<\/td><td class=\"has-text-align-center\" data-align=\"center\">Yellow&nbsp;\/&nbsp;Orange<\/td><td class=\"has-text-align-center\" data-align=\"center\">-40 at +900\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b11.5\u00b0C from -40 to +375\u00b0C<br>\u00b10.0004.\u0398 from 375 to800\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b12.5\u00b0C from -40 to +333\u00b0C<br>\u00b10.0075.\u0398 from 333 to 900\u00b0C<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>J<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Black \/ White<\/td><td class=\"has-text-align-center\" data-align=\"center\">Yellow \/ Black<\/td><td class=\"has-text-align-center\" data-align=\"center\">-40 to +750\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b11.5\u00b0C from -40 to +375\u00b0C<br>\u00b10.004.\u0398 from 375 to 750\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b12.5\u00b0C from -40 to +333\u00b0C<br>\u00b10.0075.\u0398 from 333 to 750\u00b0C<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>K<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Green \/ White<\/td><td class=\"has-text-align-center\" data-align=\"center\">Yellow \/ Purple<\/td><td class=\"has-text-align-center\" data-align=\"center\">-40 to +1200\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b11.5\u00b0C from -40 to +375\u00b0C<br>\u00b10.004.\u0398 from 375 to 1000\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b12.5\u00b0C from -40 to +333\u00b0C<br>\u00b10.0075.\u0398 from 333 to 1200\u00b0C<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>N<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Pink \/ White<\/td><td class=\"has-text-align-center\" data-align=\"center\">&#8211;<\/td><td class=\"has-text-align-center\" data-align=\"center\">-40 to +1200\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b11.5\u00b0C from -40 to +375\u00b0C<br>\u00b10.004.\u0398 from 375 to 1000\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b12.5\u00b0C from -40 to +333\u00b0C<br>\u00b10.0075.\u0398 from 333 to 1000\u00b0C<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>R<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Orange&nbsp;\/&nbsp;White<\/td><td class=\"has-text-align-center\" data-align=\"center\">Yellow \/ Green<\/td><td class=\"has-text-align-center\" data-align=\"center\">0 to +1600\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b11.0\u00b0C from 0 to +1100\u00b0C<br>\u00b11+0.003.(\u0398-1100) from 1100 to 1600\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b11.5\u00b0C from 0 to +600\u00b0C<br>\u00b10.0025.\u0398 from 600 to 1600\u00b0C<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>S<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Orange&nbsp;\/&nbsp;White<\/td><td class=\"has-text-align-center\" data-align=\"center\">Yellow \/ Green<\/td><td class=\"has-text-align-center\" data-align=\"center\">0 to +1600\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b11.0\u00b0C from 0 to +1100\u00b0C<br>\u00b11+0.003.(\u0398-1100) from 1100 to 1600\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b11.5\u00b0C from 0 to +600\u00b0C<br>\u00b10.0025.\u0398 from 600 to 1600\u00b0C<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>T<\/strong><strong><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">Brown \/ White<\/td><td class=\"has-text-align-center\" data-align=\"center\">Yellow \/ Blue<\/td><td class=\"has-text-align-center\" data-align=\"center\">-40 to +350\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b10.5\u00b0C from -40 to +125\u00b0C<br>\u00b10.004.\u0398 from 125 to 350\u00b0C<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00b11.0\u00b0C from -40 to +133\u00b0C<br>\u00b10.0075.\u0398 from 133 to 350\u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"featured_media":0,"template":"","format":"standard","class_list":["post-3235","faq","type-faq","status-publish","format-standard","hentry"],"acf":[],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What colour codes and tolerances apply to thermocouples? - Thermibel<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thermibel.be\/en\/faq\/what-colour-codes-and-tolerances-apply-to-thermocouples\/\" \/>\n<meta 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