{"id":13274,"date":"2024-04-28T10:56:04","date_gmt":"2024-04-28T02:56:04","guid":{"rendered":"https:\/\/shchimay.com\/?p=13274"},"modified":"2024-04-29T14:14:51","modified_gmt":"2024-04-29T06:14:51","slug":"what-is-true-resistivity","status":"publish","type":"post","link":"https:\/\/shchimay.com\/fr\/what-is-true-resistivity\/","title":{"rendered":"qu&#8217;est-ce que la vraie r\u00e9sistivit\u00e9"},"content":{"rendered":"<h1 id=\"understanding-true-resistivity-what-it-is-and-how-it-impacts-electrical-circuits-wpaicgheading\">Comprendre la v\u00e9ritable r\u00e9sistivit\u00e9\u00a0: qu&#8217;est-ce que c&#8217;est et quel est son impact sur les circuits \u00e9lectriques<\/h1>\n<p>\nLa v\u00e9ritable r\u00e9sistivit\u00e9 est un concept fondamental dans le domaine du g\u00e9nie \u00e9lectrique qui joue un r\u00f4le crucial dans la conception et l&#8217;analyse des circuits \u00e9lectriques. Comprendre la v\u00e9ritable r\u00e9sistivit\u00e9 est essentiel pour les ing\u00e9nieurs et les techniciens travaillant avec des syst\u00e8mes \u00e9lectriques, car elle a un impact direct sur les performances et l&#8217;efficacit\u00e9 de ces syst\u00e8mes.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Revers Osmosis Meters for water\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/iqv_DhA6MMg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>\nmod\u00e8le<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>Contr\u00f4leur de transmission pH\/ORP en ligne s\u00e9rie pH\/ORP-5500<\/td>\n<td colspan=\"2\">Plage de mesure<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">pH<\/td>\n<td>ORP<\/td>\n<td>0.00~14.00<\/td>\n<\/tr>\n<tr>\n<td>-2000mV~2000mV<\/td>\n<td>Temp.<\/td>\n<\/tr>\n<tr>\n<td>( 0,0~50,0)\u2103 et nbsp; (composant de compensation de temp\u00e9rature\u00a0:\u00a0NTC10K)<\/td>\n<td>R\u00e9solution<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">pH<\/td>\n<td>ORP<\/td>\n<td>0.01<\/td>\n<\/tr>\n<tr>\n<td>1mV<\/td>\n<td>Temp.<\/td>\n<\/tr>\n<tr>\n<td>0.1\u2103<\/td>\n<td>pr\u00e9cision<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">pH<\/td>\n<td>ORP<\/td>\n<td>0.1<\/td>\n<\/tr>\n<tr>\n<td>\u00b15mV\uff08unit\u00e9 \u00e9lectronique\uff09<\/td>\n<td>Temp.<\/td>\n<\/tr>\n<tr>\n<td>\u00b10.5\u2103<\/td>\n<td>Imp\u00e9dance d&#8217;entr\u00e9e approximative<\/td>\n<\/tr>\n<tr>\n<td>3\u00d71011\u03a9<\/td>\n<td colspan=\"2\">Solution tampon<\/td>\n<\/tr>\n<tr>\n<td>Valeur pH\u00a0: 10,00\uff1b9,18\uff1b7,00\uff1b6,86\uff1b4,01\uff1b4,00<\/td>\n<td colspan=\"2\">Temp. plage de r\u00e9mun\u00e9ration<\/td>\n<\/tr>\n<tr>\n<td>(0~50)\u2103\uff08avec 25\u2103 en standard\uff09Compensation manuelle et automatique de la temp\u00e9rature<\/td>\n<td colspan=\"2\">(4~20)mA<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">caract\u00e9ristiques<\/td>\n<td>Isol\u00e9, enti\u00e8rement r\u00e9glable, r\u00e9versible, instrument\/\u00e9metteur pour la s\u00e9lection<\/td>\n<td>R\u00e9sistance de boucle<\/td>\n<\/tr>\n<tr>\n<td>500\u03a9\uff08Max\uff09\uff0cDC 24V<\/td>\n<td>pr\u00e9cision<\/td>\n<\/tr>\n<tr>\n<td>\u00b10,1mA<\/td>\n<td>Contact de contr\u00f4le<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Contacts \u00e9lectriques<\/td>\n<td>Double relais SPST-NO, mod\u00e8le de retour<\/td>\n<td>Capacit\u00e9 de la boucle<\/td>\n<\/tr>\n<tr>\n<td>AC 220V\/AC 110V 2A(Max)\uff1bDC 24V 2A(Max)<\/td>\n<td>Consommation \u00e9lectrique<\/td>\n<\/tr>\n<tr>\n<td>3W<\/td>\n<td colspan=\"2\">Travail et nbsp;environnement<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">temp\u00e9rature<\/td>\n<td>(0~50)\u2103<\/td>\n<td>humidit\u00e9<\/td>\n<\/tr>\n<tr>\n<td>\u226485\uff05RH (aucune condensation)<\/td>\n<td>Environnement de stockage<\/td>\n<\/tr>\n<tr>\n<td>Temp.(-20-60)\u00a0\u2103;humidit\u00e9 relative\u00a0:\u00a0\u226485\u00a0pour cent HR (aucune condensation<\/td>\n<td colspan=\"2\">Dimension de contour<\/td>\n<\/tr>\n<tr>\n<td>96mm\u00d796mm\u00d7105mm\uff08H\u00d7W\u00d7D\uff09<\/td>\n<td colspan=\"2\">Dimension du trou<\/td>\n<\/tr>\n<tr>\n<td>91mm\u00d791mm(H\u00d7W)<\/td>\n<td colspan=\"2\">installation<\/td>\n<\/tr>\n<tr>\n<td>Mont\u00e9 sur panneau, installation rapide<\/td>\n<td colspan=\"2\">Mod\u00e8le<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Analyseur automatique en ligne de chlore libre (DPD) s\u00e9rie CLA-7000<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>Canal d&#8217;entr\u00e9e<\/td>\n<td>Monocanal\/Double canal<\/td>\n<\/tr>\n<tr>\n<td>Plage de mesure<\/td>\n<td>Chlore libre\uff1a(0,0\uff5e2,0)mg\/L ou (0,5\uff5e10,0)mg\/L, calcul\u00e9 en Cl2\u00a0; pH : (0-14) ; Temp\u00e9rature (0-100)\u2103<\/td>\n<\/tr>\n<tr>\n<td>Pr\u00e9cision<\/td>\n<td>Chlore libre\u00a0:\u00b110 pour cent ou \u00b10,1\/0,25 mg\/L\u00a0; pH\u00a0:\u00b10,1pH\uff1bTemp\u00e9rature\uff1a\u00b10,5\u2103<\/td>\n<\/tr>\n<tr>\n<td>P\u00e9riode de mesure<\/td>\n<td>\u22642,5min<\/td>\n<\/tr>\n<tr>\n<td>Intervalle d&#8217;\u00e9chantillonnage<\/td>\n<td>L&#8217;intervalle (1\uff5e999) min peut \u00eatre d\u00e9fini arbitrairement<\/td>\n<\/tr>\n<tr>\n<td>Cycle d&#8217;entretien<\/td>\n<td>Recommand\u00e9 une fois par mois (voir chapitre entretien)<\/td>\n<\/tr>\n<tr>\n<td>Exigences environnementales<\/td>\n<td>Une pi\u00e8ce a\u00e9r\u00e9e et s\u00e8che sans fortes vibrations\u00a0; Temp\u00e9rature ambiante recommand\u00e9e\uff1a(15\uff5e28)\u2103\uff1bHumidit\u00e9 relative\uff1a\u226485 pour cent \uff08Pas de condensation\uff09<\/td>\n<\/tr>\n<tr>\n<td>D\u00e9bit d&#8217;\u00e9chantillon d&#8217;eau<\/td>\n<td>(200-400) ml\/min<\/td>\n<\/tr>\n<tr>\n<td>Pression d&#8217;entr\u00e9e<\/td>\n<td>(0,1-0,3) barre<\/td>\n<\/tr>\n<tr>\n<td>Temp. eau d&#8217;entr\u00e9e<\/td>\n<td>(0-40)\u2103<\/td>\n<\/tr>\n<tr>\n<td>Alimentation<\/td>\n<td>CA (100-240)V\uff1b 50\/60Hz<\/td>\n<\/tr>\n<tr>\n<td>Puissance<\/td>\n<td>120W<\/td>\n<\/tr>\n<tr>\n<td>Connexion \u00e9lectrique<\/td>\n<td>Le cordon d&#8217;alimentation \u00e0 3 conducteurs avec fiche est connect\u00e9 \u00e0 la prise secteur avec un fil de terre<\/td>\n<\/tr>\n<tr>\n<td>Sortie de donn\u00e9es<\/td>\n<td>RS232\/RS485\/(4\uff5e20)mA<\/td>\n<\/tr>\n<tr>\n<td>Taille<\/td>\n<td>H*L*P\u00a0:(800*400*200)mm<\/td>\n<\/tr>\n<tr>\n<td>Un autre concept important li\u00e9 \u00e0 la v\u00e9ritable r\u00e9sistivit\u00e9 est la conductivit\u00e9, qui est l&#8217;inverse de la r\u00e9sistivit\u00e9. La conductivit\u00e9 est une mesure de la facilit\u00e9 avec laquelle un mat\u00e9riau conduit l&#8217;\u00e9lectricit\u00e9 et est d\u00e9sign\u00e9e par le symbole \u03c3 (sigma). La conductivit\u00e9 est mesur\u00e9e en Siemens par m\u00e8tre (S\/m) et est directement li\u00e9e au nombre d&#8217;\u00e9lectrons libres dans un mat\u00e9riau. Les mat\u00e9riaux \u00e0 haute conductivit\u00e9 ont une faible r\u00e9sistivit\u00e9 et vice versa.<\/td>\n<td>En conclusion, la v\u00e9ritable r\u00e9sistivit\u00e9 est un concept fondamental en g\u00e9nie \u00e9lectrique qui a un impact significatif sur la conception et les performances des circuits \u00e9lectriques. En comprenant les propri\u00e9t\u00e9s des mat\u00e9riaux et leur impact sur la r\u00e9sistivit\u00e9, les ing\u00e9nieurs et les techniciens peuvent concevoir des syst\u00e8mes \u00e9lectriques plus efficaces et plus fiables. La v\u00e9ritable r\u00e9sistivit\u00e9 est un param\u00e8tre cl\u00e9 dans l\u2019analyse des circuits \u00e9lectriques et est essentielle pour assurer le bon fonctionnement de ces syst\u00e8mes.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Another important concept related to true resistivity is conductivity, which is the reciprocal of resistivity. Conductivity is a measure of how easily a material conducts electricity and is denoted by the symbol \u03c3 (sigma). Conductivity is measured in siemens per meter (S\/m) and is directly related to the number of free electrons in a material. Materials with high conductivity have low resistivity and vice versa.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/PH-8851-PH-meter.png\" alt=\"alt-3610\" class=\"wp-image-3610\" id=\"i3610\" \/><\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Pressure sensor introduction\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/RxqhtxMrJpE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>In practical terms, understanding true resistivity is essential for engineers and technicians working with electrical circuits. By knowing the resistivity of the materials used in a circuit, they can calculate the resistance of the components and optimize the design for efficiency and performance. True resistivity also plays a crucial role in determining the power dissipation and heat generation in electrical systems, which is important for ensuring the safety and reliability of the system.<\/p>\n<p>\n<img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/PH-ORP-9900-Water-Quality-Test-PHORP-Controlle-04.jpg\" alt=\"alt-3613\" class=\"wp-image-3613\" id=\"i3613\" \/><br \/>\nIn conclusion, true resistivity is a fundamental concept in electrical engineering that has a significant impact on the design and performance of electrical circuits. By understanding the properties of materials and how they affect resistivity, engineers and technicians can design more efficient and reliable electrical systems. True resistivity is a key parameter in the analysis of electrical circuits and is essential for ensuring the proper functioning of these systems.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comprendre la v\u00e9ritable r\u00e9sistivit\u00e9\u00a0: qu&#8217;est-ce que c&#8217;est et quel est son impact sur les circuits \u00e9lectriques La v\u00e9ritable r\u00e9sistivit\u00e9 est un concept fondamental dans le domaine du g\u00e9nie \u00e9lectrique qui joue un r\u00f4le crucial dans la conception et l&#8217;analyse des circuits \u00e9lectriques. Comprendre la v\u00e9ritable r\u00e9sistivit\u00e9 est essentiel pour les ing\u00e9nieurs et les techniciens travaillant&#8230;<\/p>\n","protected":false},"author":1,"featured_media":3213,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[200],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"fr","enabled_languages":["en","zh","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false},"pt":{"title":false,"content":false,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":false,"content":false,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":false,"content":false,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/posts\/13274"}],"collection":[{"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/comments?post=13274"}],"version-history":[{"count":10,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/posts\/13274\/revisions"}],"predecessor-version":[{"id":13659,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/posts\/13274\/revisions\/13659"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/media\/3213"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/media?parent=13274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/categories?post=13274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/tags?post=13274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}