{"id":3237,"date":"2023-05-02T06:42:19","date_gmt":"2023-05-02T06:42:19","guid":{"rendered":"https:\/\/thermibel.be\/faq\/what-is-peculiar-about-the-type-b-thermocouple\/"},"modified":"2023-06-27T08:08:06","modified_gmt":"2023-06-27T08:08:06","slug":"what-is-peculiar-about-the-type-b-thermocouple","status":"publish","type":"faq","link":"https:\/\/thermibel.be\/en\/faq\/what-is-peculiar-about-the-type-b-thermocouple\/","title":{"rendered":"What is peculiar about the type B thermocouple?"},"content":{"rendered":"\n<p>Although type B thermocouples have a specified theoretical range from 0 to 1820\u00b0C, there is uncertainty and calculations are problematic in the zone between 0 \u00b0C and 100 \u00b0C where the thermoelectric voltage fluctuates between -0.003 mV and +0.003 mV (0 to 50 \u00b0C) then increases very gradually up to 0.033 mV at 100 \u00b0C. In order to be able to make calculations with certainty to an accuracy of 1 \u00b0C in this zone, a means of measurement with a resolution of at least 0.01 \u00b5V for an accuracy of 0.1 \u00b5V would be required, but the ITS-90 table gives only an accuracy of 1 \u00b5V for type B.  <strong>The standardised usage range is from +600 to +1700\u00b0C.<\/strong> The bottom limits for the calculations will therefore be 100 \u00b0C or 0.033 mV.<\/p>\n\n<p>Type B thermocouples are commonly called: 18% thermocouples (explanation: 30% Rhodium (Positive) + 6% Rhodium (Negative) equals 36% divided by two gives 18%).<\/p>\n","protected":false},"featured_media":0,"template":"","format":"standard","class_list":["post-3237","faq","type-faq","status-publish","format-standard","hentry"],"acf":[],"aioseo_notices":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is peculiar about the type B thermocouple? - 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-is-peculiar-about-the-type-b-thermocouple\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is peculiar about the type B thermocouple? - Thermibel\" \/>\n<meta property=\"og:description\" content=\"Although type B thermocouples have a specified theoretical range from 0 to 1820\u00b0C, there is uncertainty and calculations are problematic in the zone between 0 \u00b0C and 100 \u00b0C where the thermoelectric voltage fluctuates between -0.003 mV and +0.003 mV (0 to 50 \u00b0C) then increases very gradually up to 0.033 mV at 100 \u00b0C. 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