{"id":24564,"date":"2024-09-09T15:25:17","date_gmt":"2024-09-09T07:25:17","guid":{"rendered":"https:\/\/shchimay.com\/?p=24564"},"modified":"2024-09-11T10:55:20","modified_gmt":"2024-09-11T02:55:20","slug":"what-is-dp-type-flow-transmitter","status":"publish","type":"post","link":"https:\/\/shchimay.com\/fr\/what-is-dp-type-flow-transmitter\/","title":{"rendered":"qu&#039;est-ce qu&#039;un transmetteur de d\u00e9bit de type dp"},"content":{"rendered":"<h1 id=\"understanding-dp-type-flow-transmitters-wpaicgheading\">Comprendre les transmetteurs de d\u00e9bit de type DP<\/h1>\n<p>\nCCT-5300<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>Constante<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>10.00cm-1<\/td>\n<td>1.000cm-1<\/td>\n<td>0,100cm-1<\/td>\n<td colspan=\"2\">0,010cm-1<\/td>\n<td>Conductivit\u00e9<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">(500\uff5e20 000)<\/td>\n<td>(1,0\uff5e2 000)<\/td>\n<td>(0.5\uff5e200)<\/td>\n<td colspan=\"2\">(0.05\uff5e18.25)<\/td>\n<td>\u03bcS\/cm<\/td>\n<\/tr>\n<tr>\n<td>\u03bcS\/cm<\/td>\n<td>\u03bcS\/cm<\/td>\n<td colspan=\"2\">M\u03a9\u00b7cm<\/td>\n<td>TDS<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">(250\uff5e10 000)<\/td>\n<td>(0,5\uff5e1 000)<\/td>\n<td>(0,25\uff5e100)<\/td>\n<td colspan=\"2\">\u2014\u2014<\/td>\n<td rowspan=\"2\">ppm<\/td>\n<\/tr>\n<tr>\n<td>ppm<\/td>\n<td>ppm<\/td>\n<td colspan=\"2\">Temp.Moyenne<\/td>\n<\/tr>\n<tr>\n<td>(0\uff5e50)\u2103\uff08Temp. R\u00e9mun\u00e9ration : NTC10K\uff09<\/td>\n<td colspan=\"5\">Pr\u00e9cision<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">Conductivit\u00e9\u00a0: 1,5 pour cent \uff08FS\uff09<\/td>\n<td colspan=\"5\">R\u00e9sistivit\u00e9\u00a0: 2,0 pour cent \uff08FS\uff09<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">TDS\u00a0: 1,5 pour cent \uff08FS\uff09<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Temp.:\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Compensation de temp\u00e9rature<\/td>\n<\/tr>\n<tr>\n<td>(0\uff5e50)\u2103\u00a0avec 25\u2103 en standard<\/td>\n<td colspan=\"5\">Sortie analogique<\/td>\n<\/tr>\n<tr>\n<td>Instrument\/\u00e9metteur simple isol\u00e9 (4\uff5e20) mA\uff0c pour la s\u00e9lection<\/td>\n<td colspan=\"5\">Sortie de contr\u00f4le<\/td>\n<\/tr>\n<tr>\n<td>Relais SPDT, Capacit\u00e9 de charge : AC 230V\/50A(Max)<\/td>\n<td colspan=\"5\">Alimentation<\/td>\n<\/tr>\n<tr>\n<td>CCT-5300E : DC24V<\/td>\n<td colspan=\"3\">CCT-5320E : AC 220V\u00b115 pour cent <\/td>\n<td colspan=\"2\">Environnement de travail<\/td>\n<\/tr>\n<tr>\n<td>Temp.\u00a0(0\uff5e50)\u2103\uff1bHumidit\u00e9 relative\u00a0\u226485 pour cent HR (aucune condensation)<\/td>\n<td colspan=\"5\">Environnement de stockage<\/td>\n<\/tr>\n<tr>\n<td>Temp.(-20\uff5e60)\u2103; Humidit\u00e9 relative\u00a0\u226485\u00a0% HR (aucune condensation)<\/td>\n<td colspan=\"5\">Dimension<\/td>\n<\/tr>\n<tr>\n<td>96mm\u00d796mm\u00d7105mm (H\u00d7W\u00d7D)<\/td>\n<td colspan=\"5\">Taille du trou<\/td>\n<\/tr>\n<tr>\n<td>91 mm\u00d791 mm (H\u00d7W)<\/td>\n<td colspan=\"5\">Installation<\/td>\n<\/tr>\n<tr>\n<td>\u00a0Mont\u00e9 sur panneau, installation rapide<\/td>\n<td colspan=\"5\">L&#8217;un des composants cl\u00e9s d&#8217;un transmetteur de d\u00e9bit de type DP est l&#8217;\u00e9l\u00e9ment principal, qui est install\u00e9 dans la canalisation pour cr\u00e9er une chute de pression \u00e0 travers celle-ci. Cette chute de pression est ensuite mesur\u00e9e par le transmetteur et convertie en d\u00e9bit \u00e0 l&#8217;aide d&#8217;une courbe ou d&#8217;une \u00e9quation d&#8217;\u00e9talonnage. Il existe plusieurs types d&#8217;\u00e9l\u00e9ments primaires utilis\u00e9s dans les transmetteurs de d\u00e9bit DP, notamment les plaques \u00e0 orifices, les tubes venturi et les buses de d\u00e9bit, chacun ayant ses propres avantages et limites.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nCependant, il existe certaines limites \u00e0 prendre en compte lors de l&#8217;utilisation d&#8217;un transmetteur de d\u00e9bit de type DP. L\u2019un des principaux d\u00e9fis r\u00e9side dans la pr\u00e9cision de la mesure, qui peut \u00eatre affect\u00e9e par des facteurs tels que la temp\u00e9rature, la pression et les propri\u00e9t\u00e9s du fluide. Il est important d&#8217;\u00e9talonner r\u00e9guli\u00e8rement le transmetteur et de tenir compte de toute erreur potentielle pour garantir une mesure pr\u00e9cise du d\u00e9bit.<\/p>\n<p>En conclusion, les transmetteurs de d\u00e9bit de type DP sont un outil essentiel pour mesurer les d\u00e9bits dans les processus industriels. Ils fonctionnent en mesurant la diff\u00e9rence de pression entre deux points d&#8217;un pipeline et en la convertissant en d\u00e9bit \u00e0 l&#8217;aide d&#8217;un \u00e9l\u00e9ment primaire et d&#8217;un capteur de pression diff\u00e9rentielle. Bien qu&#8217;ils offrent polyvalence et facilit\u00e9 d&#8217;installation, il est important de prendre en compte leurs limites et de garantir un \u00e9talonnage appropri\u00e9 pour obtenir une mesure de d\u00e9bit pr\u00e9cise.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/FL-9900-High-Precision-Type-Runner-Flow-Controller4.jpg\" alt=\"alt-793\" class=\"wp-image-793\" id=\"i793\" \/><\/p>\n<p>\nOrifice plates are the most commonly used primary element in DP flow transmitters due to their simplicity and cost-effectiveness. They consist of a thin plate with a hole in the center, which creates a pressure drop when the fluid flows through it. Venturi tubes, on the other hand, are more complex but offer better accuracy and lower pressure loss compared to orifice plates. Flow nozzles are similar to venturi tubes but have a different shape, which allows for higher flow rates and lower pressure loss.<\/p>\n<p>In addition to the primary element, a DP type flow transmitter also consists of a differential pressure sensor, which measures the pressure difference between the two points in the pipeline. This sensor can be a diaphragm, bourdon tube, or capacitance sensor, depending on the application requirements. The transmitter also includes a signal conditioning unit, which amplifies and processes the sensor output before sending it to a control system or display unit.<\/p>\n<p>One of the advantages of using a DP type flow transmitter is its versatility and ability to measure a wide range of flow rates and fluid types. It can be used for both liquid and gas flow measurement, as well as for high and low-pressure applications. Additionally, DP flow transmitters are relatively easy to install and maintain, making them a popular choice for many industrial processes.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"304 Stainless Steel 4 20mA Pressure Transmitters For Liquid Gas And Steam\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/yhe_bvTxDyA?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>However, there are some limitations to consider when using a DP type flow transmitter. One of the main challenges is the accuracy of the measurement, which can be affected by factors such as temperature, pressure, and fluid properties. It is important to calibrate the transmitter regularly and account for any potential errors to ensure accurate flow measurement.<\/p>\n<p>In conclusion, DP type flow transmitters are an essential tool for measuring flow rates in industrial processes. They work by measuring the pressure difference between two points in a pipeline and converting it into a flow rate using a primary element and differential pressure sensor. While they offer versatility and ease of installation, it is important to consider their limitations and ensure proper calibration to achieve accurate flow measurement.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Comprendre les transmetteurs de d\u00e9bit de type DP CCT-5300 Constante 10.00cm-1 1.000cm-1 0,100cm-1 0,010cm-1 Conductivit\u00e9 (500\uff5e20 000) (1,0\uff5e2 000) (0.5\uff5e200) (0.05\uff5e18.25) \u03bcS\/cm \u03bcS\/cm \u03bcS\/cm M\u03a9\u00b7cm TDS (250\uff5e10 000) (0,5\uff5e1 000) (0,25\uff5e100) \u2014\u2014 ppm ppm ppm Temp.Moyenne (0\uff5e50)\u2103\uff08Temp. R\u00e9mun\u00e9ration : NTC10K\uff09 Pr\u00e9cision Conductivit\u00e9\u00a0: 1,5 pour cent \uff08FS\uff09 R\u00e9sistivit\u00e9\u00a0: 2,0 pour cent \uff08FS\uff09 TDS\u00a0: 1,5 pour cent&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1483,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[200],"tags":[134481],"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":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"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\/24564"}],"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=24564"}],"version-history":[{"count":17,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/posts\/24564\/revisions"}],"predecessor-version":[{"id":25010,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/posts\/24564\/revisions\/25010"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/media\/1483"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/media?parent=24564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/categories?post=24564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/fr\/wp-json\/wp\/v2\/tags?post=24564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}