{"id":46,"date":"2018-04-27T08:22:46","date_gmt":"2018-04-27T06:22:46","guid":{"rendered":"http:\/\/sibam89.fr\/?page_id=46"},"modified":"2018-06-18T17:35:25","modified_gmt":"2018-06-18T15:35:25","slug":"temperature","status":"publish","type":"page","link":"https:\/\/sibam89.fr\/?page_id=46","title":{"rendered":"TEMPERATURE"},"content":{"rendered":"<div class=\"flex_column av_one_third  flex_column_div av-zero-column-padding first  \" style='border-radius:0px; '><div  data-size='shop_catalog'  data-lightbox_size='large'  data-animation='slide'  data-ids='762,764,691,689'  data-video_counter='0'  data-autoplay='true'  data-bg_slider='false'  data-slide_height=''  data-handle='av_slideshow'  data-interval='3'  data-class='  avia-small-width-slider'  data-css_id=''  data-scroll_down=''  data-control_layout='av-control-default'  data-custom_markup=''  data-perma_caption=''  data-autoplay_stopper=''  data-image_attachment=''  data-min_height='0px'  data-default-height='100'  class='avia-slideshow avia-slideshow-1  av-control-default av-default-height-applied avia-slideshow-shop_catalog av_slideshow   avia-small-width-slider avia-slide-slider '  itemprop=\"ImageObject\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner' style='padding-bottom: 100%;'><li  class=' slide-1 ' ><div data-rel='slideshow-1' class='avia-slide-wrap'  ><img src='https:\/\/sibam89.fr\/wp-content\/uploads\/2018\/05\/5895-6703913-450x450.jpg' width='450' height='450' title='5895-6703913' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><li  class=' slide-2 ' ><div data-rel='slideshow-1' class='avia-slide-wrap'  ><img src='https:\/\/sibam89.fr\/wp-content\/uploads\/2018\/05\/thermo.jpg' width='225' height='225' title='thermo' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><li  class=' slide-3 ' ><div data-rel='slideshow-1' class='avia-slide-wrap'  ><img src='https:\/\/sibam89.fr\/wp-content\/uploads\/2018\/05\/39-thermometre-77DDIG03-450x450.jpg' width='450' height='450' title='39-thermometre-77DDIG03' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><li  class=' slide-4 ' ><div data-rel='slideshow-1' class='avia-slide-wrap'  ><img src='https:\/\/sibam89.fr\/wp-content\/uploads\/2018\/05\/35-A-distri-2335RV14R-450x450.jpg' width='450' height='450' title='35-A--distri-2335RV14R' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><\/ul><div class='avia-slideshow-arrows avia-slideshow-controls'><a href='#prev' class='prev-slide' aria-hidden='true' data-av_icon='\ue87c' data-av_iconfont='entypo-fontello'>Pr\u00e9c\u00e9dent<\/a><a href='#next' class='next-slide' aria-hidden='true' data-av_icon='\ue87d' data-av_iconfont='entypo-fontello'>Suivant<\/a><\/div><div class='avia-slideshow-dots avia-slideshow-controls'><a href='#1' class='goto-slide active' >1<\/a><a href='#2' class='goto-slide ' >2<\/a><a href='#3' class='goto-slide ' >3<\/a><a href='#4' class='goto-slide ' >4<\/a><\/div><\/div><\/div>\n<div class=\"flex_column av_one_third  flex_column_div av-zero-column-padding   \" style='border-radius:0px; '><div  data-size='medium'  data-lightbox_size='large'  data-animation='slide'  data-ids='754,761,763'  data-video_counter='0'  data-autoplay='true'  data-bg_slider='false'  data-slide_height=''  data-handle='av_slideshow'  data-interval='3'  data-class='  avia-small-width-slider avia-super-small-width-slider'  data-css_id=''  data-scroll_down=''  data-control_layout='av-control-default'  data-custom_markup=''  data-perma_caption=''  data-autoplay_stopper=''  data-image_attachment=''  data-min_height='0px'  class='avia-slideshow avia-slideshow-2  av-control-default av-default-height-applied avia-slideshow-medium av_slideshow   avia-small-width-slider avia-super-small-width-slider avia-slide-slider '  itemprop=\"ImageObject\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner' style='padding-bottom: 100%;'><li  class=' slide-1 ' ><div data-rel='slideshow-2' class='avia-slide-wrap'  ><img src='https:\/\/sibam89.fr\/wp-content\/uploads\/2018\/05\/thermostat-300x300.jpg' width='300' height='300' title='thermostat' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><li  class=' slide-2 ' ><div data-rel='slideshow-2' class='avia-slide-wrap'  ><img src='https:\/\/sibam89.fr\/wp-content\/uploads\/2018\/05\/5895-6668555-300x300.jpg' width='300' height='300' title='5895-6668555' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><li  class=' slide-3 ' ><div data-rel='slideshow-2' class='avia-slide-wrap'  ><img src='https:\/\/sibam89.fr\/wp-content\/uploads\/2018\/05\/14570-12463599.jpg' width='300' height='300' title='14570-12463599' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><\/ul><div class='avia-slideshow-arrows avia-slideshow-controls'><a href='#prev' class='prev-slide' aria-hidden='true' data-av_icon='\ue87c' data-av_iconfont='entypo-fontello'>Pr\u00e9c\u00e9dent<\/a><a href='#next' class='next-slide' aria-hidden='true' data-av_icon='\ue87d' data-av_iconfont='entypo-fontello'>Suivant<\/a><\/div><div class='avia-slideshow-dots avia-slideshow-controls'><a href='#1' class='goto-slide active' >1<\/a><a href='#2' class='goto-slide ' >2<\/a><a href='#3' class='goto-slide ' >3<\/a><\/div><\/div><\/div>\n<div class=\"flex_column av_one_third  flex_column_div av-zero-column-padding   \" style='border-radius:0px; '><div  data-size='shop_catalog'  data-lightbox_size='large'  data-animation='slide'  data-ids='692,693,701'  data-video_counter='0'  data-autoplay='true'  data-bg_slider='false'  data-slide_height=''  data-handle='av_slideshow'  data-interval='3'  data-class='  avia-small-width-slider'  data-css_id=''  data-scroll_down=''  data-control_layout='av-control-default'  data-custom_markup=''  data-perma_caption=''  data-autoplay_stopper=''  data-image_attachment=''  data-min_height='0px'  data-default-height='100'  class='avia-slideshow avia-slideshow-3  av-control-default av-default-height-applied avia-slideshow-shop_catalog av_slideshow   avia-small-width-slider avia-slide-slider '  itemprop=\"ImageObject\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner' style='padding-bottom: 100%;'><li  class=' slide-1 ' ><div data-rel='slideshow-3' class='avia-slide-wrap'  ><img src='https:\/\/sibam89.fr\/wp-content\/uploads\/2018\/05\/40-bis-\u00e0-voir-sonde-claire-PT100-2-450x450.jpg' width='450' height='450' title='40-bis-\u00e0-voir-sonde-claire-PT100-(2)' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><li  class=' slide-2 ' ><div data-rel='slideshow-3' class='avia-slide-wrap'  ><img src='https:\/\/sibam89.fr\/wp-content\/uploads\/2018\/05\/41-bis-\u00e0-voir-sonde-claire-PT100-4-450x450.jpg' width='450' height='450' title='41-bis-\u00e0-voir-sonde-claire-PT100-(4)' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><li  class=' slide-3 ' ><div data-rel='slideshow-3' class='avia-slide-wrap'  ><img src='https:\/\/sibam89.fr\/wp-content\/uploads\/2018\/05\/34-affichage-numerique--450x450.jpg' width='450' height='450' title='34-affichage-numerique-' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><\/ul><div class='avia-slideshow-arrows avia-slideshow-controls'><a href='#prev' class='prev-slide' aria-hidden='true' data-av_icon='\ue87c' data-av_iconfont='entypo-fontello'>Pr\u00e9c\u00e9dent<\/a><a href='#next' class='next-slide' aria-hidden='true' data-av_icon='\ue87d' data-av_iconfont='entypo-fontello'>Suivant<\/a><\/div><div class='avia-slideshow-dots avia-slideshow-controls'><a href='#1' class='goto-slide active' >1<\/a><a href='#2' class='goto-slide ' >2<\/a><a href='#3' class='goto-slide ' >3<\/a><\/div><\/div><\/div>\n<div class=\"flex_column av_one_full  flex_column_div first  \" style='padding:0px 0px 0px 0px ; border-radius:0px; '><section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '   itemprop=\"text\" ><h1 style=\"text-align: center;\"><span style=\"color: #005db4;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\"><span style=\"font-size: 18pt;\">Mesurer le temp\u00e9rature<\/span><br \/>\n<\/span><\/strong><\/span><\/h1>\n<\/div><\/section><br \/>\n<div style=' margin-top:0px; margin-bottom:20px;'  class='hr hr-custom hr-center hr-icon-no  '><span class='hr-inner   inner-border-av-border-fat' style=' width:150px; border-color:#005db4;' ><span class='hr-inner-style'><\/span><\/span><\/div><br \/>\n<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '   itemprop=\"text\" ><p style=\"text-align: justify;\"><span style=\"font-family: arial, helvetica, sans-serif; font-size: 13pt;\">Les capteurs de mesure de temp\u00e9rature peuvent \u00eatre \u00e0 thermocouple, \u00e0 r\u00e9sistance, infrarouge, bim\u00e9tallique, \u00e0 extension de fluide ou \u00e0 changement d&rsquo;\u00e9tat.<\/span><\/p>\n<\/div><\/section><\/p><\/div><div class=\"flex_column av_one_half  flex_column_div av-zero-column-padding first  \" style='border-radius:0px; '><section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '   itemprop=\"text\" ><ul>\n<li style=\"text-align: justify;\"><span class=\"text_pi_types\" style=\"font-family: arial, helvetica, sans-serif; font-size: 13pt;\">Les thermocouples se composent fils en m\u00e9tal diff\u00e9rent soud\u00e9s ensemble \u00e0 l&rsquo;une de ses extr\u00e9mit\u00e9s. Les variations de temp\u00e9rature \u00e0 cette jonction provoquent une diff\u00e9rence de potentiel proportionnelle entre les 2 autres extr\u00e9mit\u00e9s. Lorsque la temp\u00e9rature monte, la tension du thermocouple monte \u00e9galement, mais pas n\u00e9cessairement de fa\u00e7on lin\u00e9aire.<\/span><\/li>\n<li style=\"text-align: justify;\"><span class=\"text_pi_types\" style=\"font-family: arial, helvetica, sans-serif; font-size: 13pt;\">Les dispositifs \u00e0 r\u00e9sistance utilisent le fait que la r\u00e9sistance \u00e9lectrique d&rsquo;un mat\u00e9riau change lorsque la temp\u00e9rature change. Les deux types de capteurs principaux sont les dispositifs m\u00e9talliques et les thermistances. L&rsquo;augmentation de la r\u00e9sistance ohmique dans le m\u00e9tal est plus ou moins lin\u00e9aire avec la temp\u00e9rature. En revanche, les thermistances utilise le changement de r\u00e9sistance dans un semi-conducteur en c\u00e9ramique, qui diminue de fa\u00e7on non lin\u00e9aire avec l&rsquo;\u00e9l\u00e9vation de temp\u00e9rature.<\/span><\/li>\n<li style=\"text-align: justify;\"><span class=\"text_pi_types\" style=\"font-size: 13pt;\"><span style=\"font-family: arial, helvetica, sans-serif;\">Les capteurs infrarouges sont des dispositifs sans contact. Ils d\u00e9duisent la temp\u00e9rature en mesurant le rayonnement thermique \u00e9mis par le mat\u00e9riau.<\/span><\/span><\/li>\n<li style=\"text-align: justify;\"><span style=\"font-size: 13pt;\"><span class=\"text_pi_types\" style=\"font-family: arial, helvetica, sans-serif;\">Les dispositifs bim\u00e9talliques utilisent la dilatation thermique diff\u00e9rente des m\u00e9taux. 2 bandes de deux m\u00e9taux sont li\u00e9es ensemble. Lorsqu&rsquo;il est chauff\u00e9, un c\u00f4t\u00e9 se dilate plus que l&rsquo;autre, et le pliage r\u00e9sultant est converti en lecture de temp\u00e9rature par liaison m\u00e9canique \u00e0 un pointeur. Ces appareils n&rsquo;ont pas besoin d&rsquo;alimentation, mais en g\u00e9n\u00e9ral ne sont pas aussi pr\u00e9cis que les thermocouples et ne s&rsquo;adaptent pas facilement \u00e0 l&rsquo;enregistrement de la temp\u00e9rature<\/span><span class=\"text_pi_types\"><span style=\"font-family: arial, helvetica, sans-serif;\">.<\/span> <\/span><\/span><\/li>\n<\/ul>\n<\/div><\/section><\/div><\/p>\n<div class=\"flex_column av_one_half  flex_column_div av-zero-column-padding   \" style='border-radius:0px; '><section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock  '   itemprop=\"text\" ><ul>\n<li style=\"text-align: justify;\"><span class=\"text_pi_types\" style=\"font-family: arial, helvetica, sans-serif; font-size: 13pt;\">Les dispositifs \u00e0 extension de fluide liquide ou gazeux. Les capteurs \u00e0 extension de fluide ne n\u00e9cessitent pas d&rsquo;alimentation \u00e9lectrique, ne posent pas de risques d&rsquo;explosion, et sont stables m\u00eame apr\u00e8s un cycle r\u00e9p\u00e9t\u00e9. D&rsquo;autre part, ils sont \u00e0 lecture directe, il ne peuvent g\u00e9n\u00e9rer de donn\u00e9es qui sont facilement enregistrables ou transmissibles, et ils ne peuvent pas effectuer des mesures de temp\u00e9rature de surface.<\/span><\/li>\n<li style=\"text-align: justify;\"><span class=\"text_pi_types\" style=\"font-family: arial, helvetica, sans-serif; font-size: 13pt;\">Les capteurs de temp\u00e9rature de changement d&rsquo;\u00e9tat se composent d&rsquo;\u00e9tiquettes, pastilles, crayons, laques ou cristaux liquides dont l&rsquo;apparence change lorsqu&rsquo;une certaine temp\u00e9rature est atteinte. Ils sont utilis\u00e9s, par exemple, avec des purgeurs de vapeur &#8211; quand un pi\u00e8ge d\u00e9passe une certaine temp\u00e9rature, un point blanc sur une \u00e9tiquette capteur fix\u00e9e au pi\u00e8ge devient noir. Le temps de r\u00e9ponse est typiquement en minutes, de sorte que ces dispositifs ne r\u00e9pondent pas souvent aux changements de temp\u00e9rature transitoires. De plus, la pr\u00e9cision est inf\u00e9rieure \u00e0 celle des autres types de capteurs. En outre, le changement d&rsquo;\u00e9tat est irr\u00e9versible, sauf dans les cas d&rsquo;affichages \u00e0 cristaux liquides. Toutefois, les capteurs de changement d&rsquo;\u00e9tat peuvent \u00eatre pratiques quand on a besoin de confirmation que la temp\u00e9rature d&rsquo;une pi\u00e8ce d&rsquo;\u00e9quipement ou d&rsquo;un mat\u00e9riau n&rsquo;a pas d\u00e9pass\u00e9 un certain niveau, par exemple pour des raisons techniques ou juridiques pendant l&rsquo;exp\u00e9dition d&rsquo;un produit, ou un proc\u00e9d\u00e9 de st\u00e9rilisation.<\/span><\/li>\n<\/ul>\n<\/div><\/section><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":38,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-46","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sibam89.fr\/index.php?rest_route=\/wp\/v2\/pages\/46","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sibam89.fr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sibam89.fr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sibam89.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sibam89.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=46"}],"version-history":[{"count":19,"href":"https:\/\/sibam89.fr\/index.php?rest_route=\/wp\/v2\/pages\/46\/revisions"}],"predecessor-version":[{"id":1285,"href":"https:\/\/sibam89.fr\/index.php?rest_route=\/wp\/v2\/pages\/46\/revisions\/1285"}],"up":[{"embeddable":true,"href":"https:\/\/sibam89.fr\/index.php?rest_route=\/wp\/v2\/pages\/38"}],"wp:attachment":[{"href":"https:\/\/sibam89.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=46"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}