{"id":3243,"date":"2023-05-02T06:36:16","date_gmt":"2023-05-02T06:36:16","guid":{"rendered":"https:\/\/thermibel.be\/faq\/how-do-you-convert-temperature-to-voltage\/"},"modified":"2023-06-27T12:11:05","modified_gmt":"2023-06-27T12:11:05","slug":"how-do-you-convert-temperature-to-voltage","status":"publish","type":"faq","link":"https:\/\/thermibel.be\/en\/faq\/how-do-you-convert-temperature-to-voltage\/","title":{"rendered":"How do you convert temperature to voltage?"},"content":{"rendered":"\n

This is in a sense the reciprocal or converse function of the equation for converting voltage to temperature:<\/p>\n\n\n\n

For all types of thermocouples (except K at t>0\u00b0C), we have:<\/p>\n\n\n\n

$$ V(mV) = \\mathop \\sum \\limits_{i = 0}^n {\\left( {{t_{90}}} \\right)^i} $$<\/p>\n\n\n\n

For type K thermocouples at temperatures above 0\u00b0C, we have:<\/p>\n\n\n\n

$$ T\\left( {^\\circ C} \\right) = {T_{inf}}\\left( {^\\circ C} \\right) + \\frac{{V – {V_{inf}}}}{{{V_{sup}} – {V_{inf}}}} $$<\/p>\n\n\n\n

Ci = Coefficients from C0 to Cn<\/p>\n\n\n\n

t90 = Temperature of the thermocouple in \u00b0C<\/p>\n\n\n\n

a0 to a2 = Specific coefficients of exponentiation only for type K thermocouples and temperatures above 0 \u00b0C<\/p>\n\n\n\n

e= natural logarithm constant: 2.71828…<\/p>\n\n\n\n

Example of coefficients for type K thermocouples<\/strong><\/td><\/tr>
Temperature (\u00b0C)<\/strong><\/td>-270 to 0<\/td>0 to 1372<\/td><\/tr>
c0<\/sub><\/strong><\/td>0<\/td>-0.176004136860e-1<\/td><\/tr>
c1<\/sub><\/strong><\/td>0.394501280250e-1<\/td>0.389212049750e-1<\/td><\/tr>
c2<\/sub><\/strong><\/td>0.236223735980e-4<\/td>0.185587700320e-4<\/td><\/tr>
c3<\/sub><\/strong><\/td>-0.328589067840e-6<\/td>-0.994575928740e-7<\/td><\/tr>
c4<\/sub><\/strong><\/td>-0.499048287770e-8<\/td>0.318409457190e-9<\/td><\/tr>
c5<\/sub><\/strong><\/td>-0.675090591730e-10<\/td>-0.560728448890e-12<\/td><\/tr>
c6<\/sub><\/strong><\/td>-0.574103274280e-12<\/td>0.560750590590e-15<\/td><\/tr>
c7<\/sub><\/strong><\/td>-0.310888728940e-14<\/td>-0.320207200030e-18<\/td><\/tr>
c8<\/sub><\/strong><\/td>-0.104516093650e-16<\/td>0.971511471520e-22<\/td><\/tr>
c9<\/sub><\/strong><\/td>-0.198892668780e-19<\/td>-0.121047212750e-25<\/td><\/tr>
c10<\/sub><\/strong><\/td>-0.163226974860e-22<\/td> <\/td><\/tr>
Exponential coefficients for temperatures above 0 \u00b0C<\/strong><\/td><\/tr>
a0<\/sub><\/strong><\/td>0.1185976<\/td><\/tr>
a1<\/sub><\/strong><\/td>-0.1183432e-3<\/td><\/tr>
a2<\/sub><\/strong><\/td>0.1269686e+3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n


VOLTAGE OF DIFFERENT THERMOCOUPLES FOR A TEMPERATURE OF 350 \u00b0C<\/strong><\/p>\n\n\n\n

Voltage calculated in mV<\/strong><\/td><\/tr>
Type<\/td>By ITS-90 table<\/td>Voltage<\/td>Difference in %<\/td><\/tr>
B<\/td> 0,596<\/td> 0,596<\/td>-0,018<\/td><\/tr>
E<\/td>24,964<\/td>24,964<\/td>0,001<\/td><\/tr>
J<\/td>19,090<\/td>19,090<\/td>0,002<\/td><\/tr>
K<\/td>14,293<\/td>14,293<\/td>0,001<\/td><\/tr>
N<\/td>11,136<\/td>11,136<\/td>0,002<\/td><\/tr>
R<\/td> 2,896<\/td> 2,896<\/td>0,007<\/td><\/tr>
S<\/td> 2,786<\/td> 2,786<\/td>-0,008<\/td><\/tr>
T<\/td>17,819<\/td>17,819<\/td>-0,002<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"featured_media":0,"template":"","format":"standard","class_list":["post-3243","faq","type-faq","status-publish","format-standard","hentry"],"acf":[],"aioseo_notices":[],"yoast_head":"\nHow do you convert temperature to voltage? - 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\/how-do-you-convert-temperature-to-voltage\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How do you convert temperature to voltage? - Thermibel\" \/>\n<meta property=\"og:description\" content=\"This is in a sense the reciprocal or converse function of the equation for converting voltage to temperature: For all types of thermocouples (except K at t>0\u00b0C), we have: $$ V(mV) = mathop sum limits_{i = 0}^n {left( {{t_{90}}} right)^i} $$ For type K thermocouples at temperatures above 0\u00b0C, we have: $$ Tleft( {^circ C} […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/thermibel.be\/en\/faq\/how-do-you-convert-temperature-to-voltage\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermibel\" \/>\n<meta property=\"article:modified_time\" content=\"2023-06-27T12:11:05+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/thermibel.be\/en\/faq\/how-do-you-convert-temperature-to-voltage\/\",\"url\":\"https:\/\/thermibel.be\/en\/faq\/how-do-you-convert-temperature-to-voltage\/\",\"name\":\"How do you convert temperature to voltage? 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