{"id":27350,"date":"2025-07-27T03:08:57","date_gmt":"2025-07-27T03:08:57","guid":{"rendered":"https:\/\/metlaninst.com\/?p=27350"},"modified":"2025-12-23T03:31:54","modified_gmt":"2025-12-23T03:31:54","slug":"the-ultimate-guide-to-positive-displacement-flow-meter","status":"publish","type":"post","link":"https:\/\/metlaninst.com\/fr\/the-ultimate-guide-to-positive-displacement-flow-meter\/","title":{"rendered":"The Ultimate Guide to Positive Displacement Flow Meter"},"content":{"rendered":"<p>When it comes to measuring the flow of liquids\u2014especially those with high viscosity or at low flow rates\u2014<strong>positive displacement (PD) flow meters<\/strong> offer unmatched precision and reliability. From chemical batching to oil metering, these robust instruments provide volumetric accuracy where other flow technologies may fail.<\/p><div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table des mati\u00e8res<\/h2><nav><ul><li><a href=\"#what-is-a-positive-displacement-flow-meter\">What Is a Positive Displacement Flow Meter?<\/a><\/li><li><a href=\"#how-does-a-positive-displacement-flow-meter-work\">How Does a Positive Displacement Flow Meter Work?<\/a><\/li><li><a href=\"#types-of-positive-displacement-flow-meters\">Types of Positive Displacement Flow Meters<\/a><\/li><li><a href=\"#advantages-of-positive-displacement-flow-meters\">Avantages des d\u00e9bitm\u00e8tres \u00e0 d\u00e9placement positif<\/a><\/li><li><a href=\"#disadvantages-of-positive-displacement-flow-meters\">Disadvantages of Positive Displacement Flow Meters<\/a><\/li><li><a href=\"#recommended-fluids-and-mediums-for-pd-flow-meters\">Recommended Fluids and Mediums for PD Flow Meters<\/a><\/li><li class=\"translation-block\">Applications des compteurs \u00e0 d\u00e9placement positif <!-- notionvc : 761008a1-3148-4a43-91a5-86af22af75f7 --> D\u00e9bitm\u00e8tres<\/li><li><a href=\"#explore-metlans-pd-flow-meter-solutions\">Explore Metlan\u2019s PD Flow Meter Solutions<\/a><\/li><\/ul><\/nav><\/div><h2 class=\"wp-block-heading\" id=\"what-is-a-positive-displacement-flow-meter\">What Is a Positive Displacement Flow Meter?<\/h2><p>A <strong>d\u00e9bitm\u00e8tre volum\u00e9trique<\/strong> is a volumetric flow measurement device that directly counts the volume of liquid passing through it. Unlike other flow meters that infer flow based on velocity, pressure drop, or thermal properties, PD flow meters <strong>physically trap and release precise volumes of fluid<\/strong>, ensuring high-accuracy measurement.<\/p><p>They are particularly well-suited for:<\/p><ul class=\"wp-block-list\"><li>High-viscosity liquids (like <a href=\"https:\/\/metlaninst.com\/fr\/how-to-choose-crude-oil-flow-meters\/\">crude oil<\/a>, honey, or glue)<\/li>\n\n<li>Low flow rate conditions<\/li>\n\n<li>Applications requiring totalization (batching, dispensing, blending)<\/li><\/ul><p>Positive displacement meters are often regarded as <strong>mechanical counters<\/strong>\u2014each rotation, oscillation, or movement corresponds to a fixed volume of fluid, enabling accurate totalization without the need for complex calculations.<\/p><h2 class=\"wp-block-heading\" id=\"how-does-a-positive-displacement-flow-meter-work\">How Does a Positive Displacement Flow Meter Work?<\/h2><p>At the core of every PD meter is a <strong>chamber<\/strong> et <strong><a href=\"https:\/\/metlaninst.com\/fr\/what-are-mechanical-flow-meters\/\">mechanical components<\/a><\/strong> (e.g., gears, pistons, rotors) that rotate or move to trap a fixed volume of fluid. Each cycle of movement corresponds to a known, consistent volume. By counting these cycles, the meter calculates <strong>total volume<\/strong> et <strong>d\u00e9bit<\/strong>.<\/p><p>Here\u2019s a simplified process of how it works:<\/p><ol class=\"wp-block-list\"><li><strong>Fluid Enters the Meter<\/strong> The incoming fluid is directed into the measuring chamber.<\/li>\n\n<li><strong>Mechanical Displacement<\/strong> Internal rotating or oscillating components (e.g., gears, disks, pistons) trap a fixed volume of fluid.<\/li>\n\n<li><strong>Fluid Discharge<\/strong> As the chamber moves, the fluid is pushed out and exits the meter.<\/li>\n\n<li><strong>Volume Counting<\/strong> Each movement is detected by sensors or magnets, and the cumulative count represents the total volume passed.<\/li><\/ol><p>Because the meter <strong>measures flow volumetrically<\/strong>, its accuracy is largely unaffected by changes in fluid properties such as viscosity, density, or turbulence\u2014making it ideal for precise, repeatable measurement in challenging conditions.<\/p><h2 class=\"wp-block-heading\" id=\"types-of-positive-displacement-flow-meters\">Types of Positive Displacement Flow Meters<\/h2><p>There are several different types of PD flow meters, each suited for different flow rates, fluid types, and applications. Here are the most commonly used varieties:<\/p><h3 class=\"wp-block-heading\" id=\"1-gear-flow-meters\">1. <strong>Gear Flow Meters<\/strong><\/h3><p><strong>Comment ils fonctionnent :<\/strong><\/p><p>Gear flow meters use two intermeshing gears\u2014typically oval or helical\u2014to form pockets of fluid that are moved from the inlet to the outlet.<\/p><p><strong>Meilleur pour :<\/strong><\/p><ul class=\"wp-block-list\"><li>High-viscosity liquids (oil, glue, syrup)<\/li>\n\n<li><a href=\"https:\/\/metlaninst.com\/fr\/les-4-meilleurs-debitmetres-a-faible-debit-recommandes\/\">Low flow conditions<\/a><\/li>\n\n<li>Precise dispensing<\/li><\/ul><div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/metlaninst.com\/fr\/p\/debitmetre-a-engrenage-volumetrique-a-faible-debit-mt-gf\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"428\" height=\"428\" src=\"http:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/gear-positive-displacement-flowmeter.png\" alt=\"gear positive displacement flowmeter\" class=\"wp-image-27354 size-full\" srcset=\"https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/gear-positive-displacement-flowmeter.png 428w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/gear-positive-displacement-flowmeter-300x300.png 300w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/gear-positive-displacement-flowmeter-150x150.png 150w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/gear-positive-displacement-flowmeter-340x340.png 340w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/gear-positive-displacement-flowmeter-120x120.png 120w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/gear-positive-displacement-flowmeter-12x12.png 12w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/gear-positive-displacement-flowmeter-100x100.png 100w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/gear-positive-displacement-flowmeter-46x46.png 46w\" sizes=\"(max-width: 428px) 100vw, 428px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\"><ul class=\"wp-block-list\"><li>Con\u00e7u pour les liquides \u00e0 faible d\u00e9bit \u00e0 partir de 0,6 L\/H<\/li>\n\n<li>Rapport de r\u00e9duction large de 150:1<\/li>\n\n<li>Capable de mesurer des milieux tr\u00e8s corrosifs, y compris l'acide sulfurique, l'acide fluorhydrique et d'autres produits chimiques agressifs.<\/li>\n\n<li>Con\u00e7ue pour la mesure de fluides \u00e0 haute viscosit\u00e9, elle permet de traiter des fluides difficiles tels que le sirop, l'asphalte fondu et le miel avec une pr\u00e9cision fiable.<\/li>\n\n<li>Mesures de haute pr\u00e9cision jusqu'\u00e0 \u00b10,5%<\/li><\/ul><\/div><\/div><div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-28206b41 wp-block-buttons-is-layout-flex\"><div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-fill\"><a class=\"wp-block-button__link has-background has-medium-font-size has-text-align-center has-custom-font-size wp-element-button\" href=\"https:\/\/metlaninst.com\/fr\/contact\/\" style=\"background-color:#97c349\">Rquest a Quote<\/a><\/div><\/div><h3 class=\"wp-block-heading\" id=\"2-rotary-vane-flow-meters\">2. <strong>Rotary Vane Flow Meters<\/strong><\/h3><p><strong>Comment ils fonctionnent :<\/strong><\/p><p>A rotor with multiple vanes turns inside a cylindrical housing. Each rotation traps a known volume of liquid and transfers it through the meter.<\/p><p><strong>Meilleur pour :<\/strong><\/p><ul class=\"wp-block-list\"><li>Water-based fluids<\/li>\n\n<li>Heating oil and fuel<\/li>\n\n<li>Industrial process flows<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"3-piston-flow-meters\">3. <strong>Piston Flow Meters<\/strong><\/h3><p><strong>Comment ils fonctionnent :<\/strong><\/p><p>Fluid is drawn into and pushed out of chambers by oscillating or rotating pistons. Each stroke displaces a fixed volume.<\/p><p><strong>Meilleur pour :<\/strong><\/p><ul class=\"wp-block-list\"><li>Clean, low-viscosity fluids<\/li>\n\n<li>Injection de produits chimiques<\/li>\n\n<li>Pharmaceutical and medical dosing<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"4-nutating-disk-flow-meters\">4. <strong>Nutating Disk Flow Meters<\/strong><\/h3><p><strong>Comment ils fonctionnent :<\/strong><\/p><p>A disk mounted on a central ball &#8220;wobbles&#8221; (nutates) inside a chamber, displacing fluid in fixed volumes per cycle.<\/p><p><strong>Meilleur pour :<\/strong><\/p><ul class=\"wp-block-list\"><li>Residential water meters<\/li>\n\n<li>Beverage dispensing<\/li>\n\n<li>Custody transfer systems<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"5-bi-rotor-flow-meters\">5. <strong>Bi-Rotor Flow Meters<\/strong><\/h3><p><strong>Comment ils fonctionnent :<\/strong><\/p><p>Two rotors rotate inside a cavity, creating fluid pockets that are displaced through the meter. These meters have minimal internal friction, making them ideal for sanitary applications.<\/p><p><strong>Meilleur pour :<\/strong><\/p><ul class=\"wp-block-list\"><li>Food-grade fluids<\/li>\n\n<li>Produits pharmaceutiques<\/li>\n\n<li>Viscous fluids like oil, resin, or syrup<\/li>\n\n<li>Custody transfer systems<\/li><\/ul><div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/metlaninst.com\/fr\/p\/debitmetre-volumetrique-a-double-rotor-mtdp-abr\/\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"http:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1.jpg\" alt=\"Birotor Positive Displacement Flow meters\" class=\"wp-image-27352 size-full\" srcset=\"https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1.jpg 800w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1-300x300.jpg 300w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1-150x150.jpg 150w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1-768x768.jpg 768w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1-340x340.jpg 340w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1-120x120.jpg 120w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1-12x12.jpg 12w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1-600x600.jpg 600w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1-100x100.jpg 100w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1-46x46.jpg 46w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/Birotor-Positive-Displacement-Flow-meters-1-700x700.jpg 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\"><ul class=\"wp-block-list\"><li>Haute pr\u00e9cision jusqu'\u00e0 \u00b10,1 %, haute pression de processus jusqu'\u00e0 110 bar (1595 psi)<\/li>\n\n<li>Dur\u00e9e de vie extr\u00eamement longue, entretien r\u00e9duit et \u00e9conomique<\/li>\n\n<li>Aucune pi\u00e8ce oscillante, alternative ou coulissante, ni aucune manivelle n'est susceptible d'user ou de perturber l'\u00e9quilibre rotatif.<\/li>\n\n<li>Stabilit\u00e9 dans la course \u00e0 voix basse<\/li>\n\n<li>Bonne performance anti-interf\u00e9rence et longue dur\u00e9e de vie<\/li>\n\n<li>Forte applicabilit\u00e9 aux changements de viscosit\u00e9<\/li><\/ul><\/div><\/div><div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-28206b41 wp-block-buttons-is-layout-flex\"><div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-fill\"><a class=\"wp-block-button__link has-background has-medium-font-size has-text-align-center has-custom-font-size wp-element-button\" href=\"https:\/\/metlaninst.com\/fr\/contact\/\" style=\"background-color:#97c349\">Rquest a Quote<\/a><\/div><\/div><h3 class=\"wp-block-heading\" id=\"6-oval-gear-flow-meters\">6. Oval Gear <strong>D\u00e9bitm\u00e8tres<\/strong><\/h3><p><strong>Comment ils fonctionnent :<\/strong><\/p><p><a href=\"https:\/\/metlaninst.com\/fr\/debitmetre-a-engrenage-ovale-mesure-de-precision-pour-les-fluides-visqueux\/\">Oval gear meters <\/a>use two interlocking oval-shaped gears that rotate with the flow of fluid. Each rotation displaces a known volume, and the number of rotations is proportional to the total volume passed through.<\/p><p><strong>Meilleur pour :<\/strong><\/p><ul class=\"wp-block-list\"><li>Viscous fluids like oil, resin, or syrup<\/li><\/ul><div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/metlaninst.com\/fr\/p\/debitmetre-pd-a-engrenage-ovale-mt-lc\/\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"http:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter.jpg\" alt=\"d\u00e9bitm\u00e8tre volum\u00e9trique \u00e0 engrenage ovale\" class=\"wp-image-27353 size-full\" srcset=\"https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter.jpg 800w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter-300x300.jpg 300w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter-150x150.jpg 150w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter-768x768.jpg 768w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter-340x340.jpg 340w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter-120x120.jpg 120w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter-12x12.jpg 12w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter-600x600.jpg 600w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter-100x100.jpg 100w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter-46x46.jpg 46w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/07\/oval-gear-positive-displacement-flow-meter-700x700.jpg 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\"><ul class=\"wp-block-list\"><li>Fonctionnement r\u00e9gulier du rotor en spirale avec un minimum de vibrations pour des performances constantes<\/li>\n\n<li>Large plage de mesure avec une bonne r\u00e9p\u00e9tabilit\u00e9<\/li>\n\n<li>Mesures de haute pr\u00e9cision jusqu'\u00e0 \u00b10,2%<\/li>\n\n<li>Insensible au changement de viscosit\u00e9<\/li>\n\n<li>Optimis\u00e9 pour la mesure des liquides \u00e0 haute viscosit\u00e9<\/li>\n\n<li>Installation simple ne n\u00e9cessitant pas de tuyaux droits<\/li><\/ul><\/div><\/div><div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-28206b41 wp-block-buttons-is-layout-flex\"><div class=\"wp-block-button has-custom-width wp-block-button__width-50 is-style-fill\"><a class=\"wp-block-button__link has-background has-medium-font-size has-text-align-center has-custom-font-size wp-element-button\" href=\"https:\/\/metlaninst.com\/fr\/contact\/\" style=\"background-color:#97c349\">Rquest a Quote<\/a><\/div><\/div><h2 class=\"wp-block-heading\" id=\"advantages-of-positive-displacement-flow-meters\">Avantages des d\u00e9bitm\u00e8tres \u00e0 d\u00e9placement positif<\/h2><p>Positive displacement flow meters offer many performance and operational advantages, making them the go-to solution in applications where accuracy and repeatability are critical.<\/p><ul class=\"wp-block-list\"><li><strong>Direct Measurement of Volume<\/strong>: They don\u2019t estimate or infer\u2014PD meters measure the actual fluid volume passing through, which eliminates many common sources of error.<\/li>\n\n<li><strong>High Accuracy at Low Flow Rates<\/strong>: They are among the most accurate flow meters at very low flow levels, which makes them ideal for dosing and micro-batching applications.<\/li>\n\n<li><strong>Insensible aux propri\u00e9t\u00e9s du fluide<\/strong>:PD meters are not affected by fluid density, viscosity, or temperature to the extent that other technologies are.<\/li>\n\n<li><strong>No Need for Straight Pipe Runs<\/strong>: Unlike turbine or ultrasonic meters, PD meters don\u2019t require long upstream or downstream pipe lengths, which is a major benefit in compact installations.<\/li>\n\n<li><strong>Excellent Repeatability<\/strong>: Their mechanical design ensures highly consistent performance over time.<\/li>\n\n<li><strong>Totalizing and Batch-Friendly<\/strong>: Perfect for batching, filling, or blending systems where cumulative volume matters.<\/li><\/ul><h2 class=\"wp-block-heading\" id=\"disadvantages-of-positive-displacement-flow-meters\">Disadvantages of Positive Displacement Flow Meters<\/h2><p>While PD flow meters offer numerous benefits, there are some limitations to consider when choosing this technology.<\/p><ul class=\"wp-block-list\"><li><strong>Not Ideal for Dirty Fluids<\/strong>: Solids, debris, or particulates can damage internal moving parts or cause clogging.<\/li>\n\n<li><strong>Mechanical Wear and Tear<\/strong>: Over time, mechanical components can wear down, especially if proper filtration or maintenance is not observed.<\/li>\n\n<li><strong>Size and Cost at High Flow Rates<\/strong>: For high-flow applications, PD meters become bulky and expensive compared to other technologies.<\/li><\/ul><h2 class=\"wp-block-heading\" id=\"recommended-fluids-and-mediums-for-pd-flow-meters\">Recommended Fluids and Mediums for PD Flow Meters<\/h2><p>Positive displacement flow meters work best with <strong>clean, viscous, and incompressible liquids<\/strong>. Here are common media types that are well-suited for PD technology:<\/p><h3 class=\"wp-block-heading\" id=\"oils\"><strong>Oils<\/strong><\/h3><ul class=\"wp-block-list\"><li>Hydraulic oil<\/li>\n\n<li>Lubricating oil<\/li>\n\n<li>Engine oil<\/li>\n\n<li>P\u00e9trole brut<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"chemicals\"><strong>Produits chimiques<\/strong><\/h3><ul class=\"wp-block-list\"><li>Resins and adhesives<\/li>\n\n<li>Solvants<\/li>\n\n<li>Additives and catalysts<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"food-and-beverage\"><strong>Alimentation et boissons<\/strong><\/h3><ul class=\"wp-block-list\"><li>Honey<\/li>\n\n<li>Syrup<\/li>\n\n<li>Flavor concentrates<\/li>\n\n<li>Milk and dairy products<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"pharmaceutical-and-cosmetic\"><strong>Pharmaceutical and Cosmetic<\/strong><\/h3><ul class=\"wp-block-list\"><li>Glycerin<\/li>\n\n<li>Alcohol-based fluids<\/li>\n\n<li>Emulsions<\/li>\n\n<li>Liquid medication<\/li><\/ul><h2 class=\"wp-block-heading translation-block\" id=\"applications-of-positive-displacement-flow-meters\">Applications des compteurs \u00e0 d\u00e9placement positif <!-- notionvc : 761008a1-3148-4a43-91a5-86af22af75f7 --> D\u00e9bitm\u00e8tres<\/h2><p>Thanks to their accuracy and reliability, PD flow meters are used in a variety of industries and processes. Here are some of the most common use cases:<\/p><h3 class=\"wp-block-heading\" id=\"1-chemical-injection-and-dosing\">1. <strong>Chemical Injection and Dosing<\/strong><\/h3><p>In water treatment, oil refining, and specialty chemical manufacturing, PD meters ensure precise injection of expensive or reactive chemicals.<\/p><h3 class=\"wp-block-heading\" id=\"2-oil-and-fuel-measurement\">2. <strong>Oil and Fuel Measurement<\/strong><\/h3><p>They are widely used in lube oil blending plants, <a href=\"https:\/\/metlaninst.com\/fr\/comment-choisir-le-bon-debitmetre-diesel\/\">diesel fuel transfer systems<\/a>, and engine testing labs to measure and totalize fuel flow.<\/p><h3 class=\"wp-block-heading\" id=\"3-food-and-beverage-processing\">3. <strong>Food and Beverage Processing<\/strong><\/h3><p>In high-viscosity food products such as honey or syrups, PD meters ensure consistent dosing during filling and packaging.<\/p><h3 class=\"wp-block-heading\" id=\"4-cosmetics-and-personal-care\">4. <strong>Cosmetics and Personal Care<\/strong><\/h3><p>PD meters accurately dispense lotions, creams, and gels in controlled environments.<\/p><h3 class=\"wp-block-heading\" id=\"5-pharmaceutical-manufacturing\">5. <strong>Pharmaceutical Manufacturing<\/strong><\/h3><p>For high-value drugs and bio-fluids, PD meters are used in ultra-precise filling, mixing, and formulation applications.<\/p><h3 class=\"wp-block-heading\" id=\"6-paints-and-coatings\">6. <strong>Paints and Coatings<\/strong><\/h3><p>In pigment and resin applications, PD meters help maintain proper ratios and minimize waste.<\/p><h2 class=\"wp-block-heading\" id=\"explore-metlans-pd-flow-meter-solutions\">Explore Metlan\u2019s PD Flow Meter Solutions<\/h2><p>Au <a href=\"https:\/\/metlaninst.com\/fr\/\">Metlan Instruments<\/a>, we offer industry-grade positive displacement flow meters tailored for <strong>low flow<\/strong>, <strong>high-viscosity<\/strong>et <strong>precision-critical<\/strong> des applications.<\/p><p>Need help finding the right meter for your system? Contact us today\u2014we\u2019ll help you select the perfect solution for your application.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>When it comes to measuring the flow of liquids\u2014especially those with high viscosity or at low flow rates\u2014positive displacement (PD) flow meters offer unmatched precision and reliability. From chemical batching to oil metering, these robust instruments provide volumetric accuracy where other flow technologies may fail. What Is a Positive Displacement Flow Meter? A positive displacement [&hellip;]<\/p>","protected":false},"author":1,"featured_media":27351,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[219],"tags":[],"class_list":["post-27350","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-positive-displacement-flow-meters"],"_links":{"self":[{"href":"https:\/\/metlaninst.com\/fr\/wp-json\/wp\/v2\/posts\/27350","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/metlaninst.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/metlaninst.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/metlaninst.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/metlaninst.com\/fr\/wp-json\/wp\/v2\/comments?post=27350"}],"version-history":[{"count":3,"href":"https:\/\/metlaninst.com\/fr\/wp-json\/wp\/v2\/posts\/27350\/revisions"}],"predecessor-version":[{"id":27701,"href":"https:\/\/metlaninst.com\/fr\/wp-json\/wp\/v2\/posts\/27350\/revisions\/27701"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/metlaninst.com\/fr\/wp-json\/wp\/v2\/media\/27351"}],"wp:attachment":[{"href":"https:\/\/metlaninst.com\/fr\/wp-json\/wp\/v2\/media?parent=27350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/metlaninst.com\/fr\/wp-json\/wp\/v2\/categories?post=27350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/metlaninst.com\/fr\/wp-json\/wp\/v2\/tags?post=27350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}