{"id":27631,"date":"2025-11-18T09:59:52","date_gmt":"2025-11-18T09:59:52","guid":{"rendered":"https:\/\/metlaninst.com\/?p=27631"},"modified":"2025-11-18T09:59:58","modified_gmt":"2025-11-18T09:59:58","slug":"how-to-choose-hydraulic-oil-flow-meters","status":"publish","type":"post","link":"https:\/\/metlaninst.com\/es\/how-to-choose-hydraulic-oil-flow-meters\/","title":{"rendered":"How to Choose Hydraulic Oil Flow Meters"},"content":{"rendered":"<p>Hydraulic oil is one of the most important working fluids in modern industrial equipment. It is responsible not only for power transmission but also for lubrication, cooling, and corrosion protection inside hydraulic systems. Because hydraulic systems operate under high pressure and rely heavily on precise control, the accuracy of hydraulic oil measurement becomes essential. A hydraulic oil flow meter provides real-time monitoring of flow rate, helping operators optimize system performance, troubleshoot issues, and prevent equipment damage.<\/p><div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>\u00cdndice<\/h2><nav><ul><li><a href=\"#what-is-hydraulic-oil\">What Is Hydraulic Oil?<\/a><\/li><li><a href=\"#types-of-hydraulic-oil-and-their-measurement-challenges\">Types of Hydraulic Oil and Their Measurement Challenges<\/a><\/li><li><a href=\"#why-measuring-hydraulic-oil-is-challenging\">Why Measuring Hydraulic Oil Is Challenging<\/a><\/li><li><a href=\"#recommended-hydraulic-oil-flow-meters\">Recommended Hydraulic Oil Flow Meters<\/a><\/li><li><a href=\"#how-to-choose-the-right-meter-for-hydraulic-oil\">How to Choose the Right Meter for Hydraulic Oil<\/a><\/li><\/ul><\/nav><\/div><h2 class=\"wp-block-heading\" id=\"what-is-hydraulic-oil\">What Is Hydraulic Oil?<\/h2><p>Hydraulic oil is a specially formulated fluid used in hydraulic systems to transfer power through pressure. Unlike ordinary lubricating oils, <a href=\"https:\/\/metlaninst.com\/es\/caudalimetro-de-gasolina-una-guia-completa-para-medir-la-gasolina-con-precision-y-seguridad\/\" data-type=\"post\" data-id=\"27024\">gasoline<\/a> o <a href=\"https:\/\/metlaninst.com\/es\/top-5-recommended-fuel-flow-meters\/\" data-type=\"post\" data-id=\"27615\">fuel oils<\/a>, hydraulic oil must maintain stable viscosity, resist oxidation, and withstand high pressure and temperature variations.<\/p><h3 class=\"wp-block-heading\" id=\"functions-of-hydraulic-oil\">Functions of Hydraulic Oil<\/h3><p>Hydraulic oil performs four critical functions within a hydraulic circuit:<\/p><ol class=\"wp-block-list\"><li><strong>Power transmission<\/strong> It carries energy from hydraulic pumps to cylinders and motors.<\/li>\n\n<li><strong>Lubrication<\/strong> It reduces friction between moving parts and prevents wear.<\/li>\n\n<li><strong>Cooling<\/strong> It removes heat generated during hydraulic operations.<\/li>\n\n<li><strong>Protection<\/strong> It prevents rust, corrosion, and contamination inside the system.<\/li><\/ol><h3 class=\"wp-block-heading\" id=\"key-characteristics-of-hydraulic-oil\">Key Characteristics of Hydraulic Oil<\/h3><ul class=\"wp-block-list\"><li>Medium to high viscosity<\/li>\n\n<li>High-pressure endurance<\/li>\n\n<li>Excellent thermal stability<\/li>\n\n<li>Anti-wear (AW) additives<\/li>\n\n<li>Anti-foam and anti-oxidation additives<\/li><\/ul><p>Because of these characteristics, hydraulic oil behaves differently from fuel oil or engine oil and requires specialized measurement solutions.<\/p><h2 class=\"wp-block-heading\" id=\"types-of-hydraulic-oil-and-their-measurement-challenges\">Types of Hydraulic Oil and Their Measurement Challenges<\/h2><p>Hydraulic oils vary by viscosity, base oil type, and additives. These differences directly affect their flow behavior and influence which meter types are suitable.<\/p><h3 class=\"wp-block-heading\" id=\"1-mineral-based-hydraulic-oil-hm-hlp-aw-oils\">1. Mineral-Based Hydraulic Oil (HM, HLP, AW Oils)<\/h3><p>Traditional hydraulic systems widely use mineral-base oils with anti-wear additives.<\/p><p><strong>Challenges:<\/strong><\/p><ul class=\"wp-block-list\"><li>Viscosidad media<\/li>\n\n<li>Sensitive to temperature changes<\/li>\n\n<li>Must maintain accuracy at high pressure<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"2-high-viscosity-hydraulic-oil\">2. High Viscosity Hydraulic Oil<\/h3><p>Used in excavators, injection molding machines, and heavy industrial presses.<\/p><p><strong>Challenges:<\/strong><\/p><ul class=\"wp-block-list\"><li>Thick fluid often causes pressure drop<\/li>\n\n<li>Requires flow meters that can handle slow-moving liquids<\/li>\n\n<li>Risk of mechanical wear for turbine-based meters<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"3-fire-resistant-hydraulic-fluids-hfc-hfdu-hfdi\">3. Fire-Resistant Hydraulic Fluids (HFC, HFDU, HFDI)<\/h3><p>Typically used in steel mills, foundries, and high-temperature environments.<\/p><p><strong>Challenges:<\/strong><\/p><ul class=\"wp-block-list\"><li>Different density vs. mineral oils<\/li>\n\n<li>Compatibility issues with some flow meter materials<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"4-biodegradable-hydraulic-oils\">4. Biodegradable Hydraulic Oils<\/h3><p>Gaining popularity in environmentally sensitive applications.<\/p><p><strong>Challenges:<\/strong><\/p><ul class=\"wp-block-list\"><li>Higher viscosity at low temperatures<\/li>\n\n<li>More sensitivity to oxidation<\/li><\/ul><h2 class=\"wp-block-heading\" id=\"why-measuring-hydraulic-oil-is-challenging\">Why Measuring Hydraulic Oil Is Challenging<\/h2><p>Hydraulic oil measurement is significantly more difficult than measuring water, diesel, or gasoline. The main challenges include:<\/p><h3 class=\"wp-block-heading\" id=\"1-high-viscosity\">1. High Viscosity<\/h3><p>Hydraulic oil is thicker and flows more slowly, causing:<\/p><ul class=\"wp-block-list\"><li>Pressure loss<\/li>\n\n<li>Difficulty starting flow in small pipes<\/li>\n\n<li>Mechanical stress on flow meter components<\/li><\/ul><p>Viscosity also changes with temperature, affecting volumetric measurements.<\/p><h3 class=\"wp-block-heading\" id=\"2-high-operating-pressure\">2. High Operating Pressure<\/h3><p>Hydraulic systems often run at <strong>10\u201340 MPa<\/strong>, meaning the flow meter must withstand extremely high pressure without deformation or leakage.<\/p><h3 class=\"wp-block-heading\" id=\"3-temperature-variations\">3. Temperature Variations<\/h3><p>Hydraulic oil temperature can vary from <strong>\u201320 \u00b0C to 90 \u00b0C<\/strong>, influencing viscosity, density, and sensor performance.<\/p><h3 class=\"wp-block-heading\" id=\"4-additives-and-chemical-compatibility\">4. Additives and Chemical Compatibility<\/h3><p>Anti-wear, anti-foam, and anti-oxidation additives may react with certain flow meter materials.<\/p><h3 class=\"wp-block-heading\" id=\"5-clean-but-abrasive-environment\">5. Clean but Abrasive Environment<\/h3><p>Although hydraulic oil is generally clean, small particles from pump wear may:<\/p><ul class=\"wp-block-list\"><li>Damage mechanical sensors<\/li>\n\n<li>Affect turbine meters<\/li>\n\n<li>Change flow profile<\/li><\/ul><p>Because of these factors, not all flow meters are suitable for hydraulic oil.<\/p><h2 class=\"wp-block-heading\" id=\"recommended-hydraulic-oil-flow-meters\">Recommended Hydraulic Oil Flow Meters<\/h2><h3 class=\"wp-block-heading\" id=\"mt-abrm-birotor-pd-flowmeter\"> Birotor Positive Displacement Flow meter MT\u2011ABRM<\/h3><p>This <a href=\"https:\/\/metlaninst.com\/es\/p\/caudalimetro-birotor-pd-con-contador-mecanico-mtdp-abrm\/\">birotor pd flow meter<\/a> is deal for high-viscosity hydraulic oil systems, high-pressure applications, or where very high accuracy and durability are required.<\/p><div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:35% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/metlaninst.com\/es\/p\/caudalimetro-birotor-pd-con-contador-mecanico-mtdp-abrm\/\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"http:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Birotor-Positive-Displacement-Flow-meters-1.jpg\" alt=\"Birotor Positive Displacement Flow meters\" class=\"wp-image-27634 size-full\" srcset=\"https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Birotor-Positive-Displacement-Flow-meters-1.jpg 800w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Birotor-Positive-Displacement-Flow-meters-1-300x300.jpg 300w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Birotor-Positive-Displacement-Flow-meters-1-150x150.jpg 150w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Birotor-Positive-Displacement-Flow-meters-1-768x768.jpg 768w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Birotor-Positive-Displacement-Flow-meters-1-340x340.jpg 340w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Birotor-Positive-Displacement-Flow-meters-1-120x120.jpg 120w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Birotor-Positive-Displacement-Flow-meters-1-12x12.jpg 12w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Birotor-Positive-Displacement-Flow-meters-1-600x600.jpg 600w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Birotor-Positive-Displacement-Flow-meters-1-100x100.jpg 100w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Birotor-Positive-Displacement-Flow-meters-1-46x46.jpg 46w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/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>Alta precisi\u00f3n de hasta \u00b10,1 %. <\/li>\n\n<li>High process pressure capability, up to 110 bar (1595 psi). <\/li>\n\n<li>Two helical rotors design with no metal-to-metal sliding parts, ensuring long service life and strong applicability to viscosity changes. <\/li>\n\n<li>Suitable for heavy oils and viscous fluids (listed for high-viscosity, heavy fuel oil, etc.) <\/li><\/ul><\/div><\/div><p> <\/p><h3 class=\"wp-block-heading\" id=\"mt-lc-oval-gear-pd-flow-meter\">Oval Gear PD Flow Meter MT\u2011LC<\/h3><p>En <a href=\"https:\/\/metlaninst.com\/es\/p\/caudalimetro-pd-de-engranajes-ovalados-mt-lc\/\">oval gear pd flow meter<\/a> is suitable for hydraulic oil systems with moderate to high viscosity, where you need reliable volumetric measurement and robustness.<\/p><div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:35% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/metlaninst.com\/es\/p\/caudalimetro-pd-de-engranajes-ovalados-mt-lc\/\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"http:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-1.jpg\" alt=\"caudal\u00edmetro de desplazamiento positivo de engranajes ovalados\" class=\"wp-image-27635 size-full\" srcset=\"https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-1.jpg 800w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-1-300x300.jpg 300w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-1-150x150.jpg 150w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-1-768x768.jpg 768w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-1-340x340.jpg 340w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-1-120x120.jpg 120w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-1-12x12.jpg 12w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-1-600x600.jpg 600w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-1-100x100.jpg 100w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-1-46x46.jpg 46w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/oval-gear-positive-displacement-flow-meter-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>Accuracy standard \u00b10.5%, optional \u00b10.2%. <\/li>\n\n<li>Wide measurement range from 0.05\u2013340 m\u00b3\/h. <\/li>\n\n<li>Not sensitive to viscosity change and optimized for higher viscosity liquids. <\/li>\n\n<li>Material options for wetted parts (SS, cast iron, cast steel) provide flexibility. <\/li><\/ul><\/div><\/div><h3 class=\"wp-block-heading\" id=\"mt-gf-low-flow-positive-displacement-gear-flow-meter\">Low Flow Positive Displacement Gear Flow Meter MT\u2011GF<\/h3><p>This <a href=\"https:\/\/metlaninst.com\/es\/p\/caudalimetro-de-engranajes-de-desplazamiento-positivo-de-bajo-caudal-mt-gf\/\">gear flow meter<\/a> is best for hydraulic oil measurement in low-flow circuits (e.g., servo systems, small hydraulic units) or where viscosity is especially high.<\/p><div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:35% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/metlaninst.com\/es\/p\/caudalimetro-de-engranajes-de-desplazamiento-positivo-de-bajo-caudal-mt-gf\/\"><img decoding=\"async\" width=\"428\" height=\"428\" src=\"http:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/gear-positive-displacement-flowmeter-1.png\" alt=\"gear positive displacement flowmeter\" class=\"wp-image-27636 size-full\" srcset=\"https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/gear-positive-displacement-flowmeter-1.png 428w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/gear-positive-displacement-flowmeter-1-300x300.png 300w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/gear-positive-displacement-flowmeter-1-150x150.png 150w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/gear-positive-displacement-flowmeter-1-340x340.png 340w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/gear-positive-displacement-flowmeter-1-120x120.png 120w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/gear-positive-displacement-flowmeter-1-12x12.png 12w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/gear-positive-displacement-flowmeter-1-100x100.png 100w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/gear-positive-displacement-flowmeter-1-46x46.png 46w\" sizes=\"(max-width: 428px) 100vw, 428px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\"><ul class=\"wp-block-list\"><li>Specialised for low flow and higher viscosity fluids: measurement range 0.6\u20132000 L\/h. <\/li>\n\n<li>Handles high process pressure (standard 100 bar, optional 400 bar). <\/li>\n\n<li>Wide turndown ratio (150:1) and designed for viscous and corrosive media (including hydraulic oils).  <\/li><\/ul><\/div><\/div><h3 class=\"wp-block-heading\" id=\"mt-lpgx-air-eliminators-strainers\"> Air Eliminators \/ Strainers MT\u2011LPGX<\/h3><p>While not a flow meter per se, this <a href=\"https:\/\/metlaninst.com\/es\/p\/filtros-eliminadores-de-aire-mt-lpgx\/\">air eliminator and strainer<\/a> is an important accessory for hydraulic oil measurement systems: especially recommended when air entrainment is a concern or when using PD \/ gear flow meters and requiring high accuracy and long lifespan.<\/p><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\/es\/p\/filtros-eliminadores-de-aire-mt-lpgx\/\"><img loading=\"lazy\" decoding=\"async\" width=\"753\" height=\"753\" src=\"http:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Air-Eliminators-Strainers.png\" alt=\"Air Eliminators Strainers\" class=\"wp-image-27633 size-full\" srcset=\"https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Air-Eliminators-Strainers.png 753w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Air-Eliminators-Strainers-300x300.png 300w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Air-Eliminators-Strainers-150x150.png 150w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Air-Eliminators-Strainers-340x340.png 340w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Air-Eliminators-Strainers-120x120.png 120w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Air-Eliminators-Strainers-12x12.png 12w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Air-Eliminators-Strainers-600x600.png 600w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Air-Eliminators-Strainers-100x100.png 100w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Air-Eliminators-Strainers-46x46.png 46w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Air-Eliminators-Strainers-700x700.png 700w\" sizes=\"(max-width: 753px) 100vw, 753px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\"><ul class=\"wp-block-list\"><li>Designed to remove entrained air or gas upstream of the flow meter, which improves measurement accuracy. <\/li>\n\n<li>Nominal diameter range DN 15\u2013800; can handle fluid viscosities up to 3000 mPa\u00b7s. <\/li>\n\n<li>Prevents inaccuracies caused by air pockets or bubbles, protecting downstream components. <\/li><\/ul><\/div><\/div><h3 class=\"wp-block-heading\" id=\"mtd-acmw-coriolis-mass-flow-meter-w-shape\"> Coriolis Mass Flow Meter W Shape MTD\u2011ACMW<\/h3><p>En <a href=\"https:\/\/metlaninst.com\/es\/p\/caudalimetro-masico-coriolis-forma-w-mtd-acmw\/\">Caudal\u00edmetro m\u00e1sico Coriolis <\/a>is ideal for hydraulic oil applications requiring highest available accuracy, mass flow verification, or where multiple fluid types are used and calibration flexibility is critical.<\/p><div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:35% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/metlaninst.com\/es\/p\/caudalimetro-masico-coriolis-forma-w-mtd-acmw\/\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"http:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil.jpg\" alt=\"Coriolis Mass Flow Meter for hydraulic oil\" class=\"wp-image-27637 size-full\" srcset=\"https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil.jpg 800w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil-300x300.jpg 300w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil-150x150.jpg 150w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil-768x768.jpg 768w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil-340x340.jpg 340w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil-120x120.jpg 120w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil-12x12.jpg 12w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil-600x600.jpg 600w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil-100x100.jpg 100w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil-46x46.jpg 46w, https:\/\/metlaninst.com\/wp-content\/uploads\/2025\/11\/Coriolis-Mass-Flow-Meter-for-hydraulic-oil-700x700.jpg 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\"><ul class=\"wp-block-list\"><li>Alta precisi\u00f3n de hasta \u00b10,1 %, Buena fiabilidad<\/li>\n\n<li>Direct mass flow measurement, independent of density changes, viscosity changes, or temperature shifts. <\/li>\n\n<li>Excellent accuracy and suitable for high-end applications (laboratory, precision hydraulics).<\/li>\n\n<li>Typical feature set: measures mass, density, temperature \u2014 ideal for variable fluid properties. <\/li><\/ul><\/div><\/div><h2 class=\"wp-block-heading\" id=\"how-to-choose-the-right-meter-for-hydraulic-oil\">How to Choose the Right Meter for Hydraulic Oil<\/h2><p>When selecting a flow meter for hydraulic oil systems, consider the following factors, and use the above options accordingly.<\/p><h3 class=\"wp-block-heading\" id=\"1-viscosity-of-the-hydraulic-oil\">1. Viscosity of the hydraulic oil<\/h3><ul class=\"wp-block-list\"><li>Very high Viscosity \u2192 Choose MT-ABRM or MT-GF<\/li>\n\n<li>Medium to high Viscosity \u2192 MT-LC<\/li>\n\n<li>Low to moderate Viscosity \u2192 MT-LC or possibly other simpler types<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"2-flow-rate-and-turndown-ratio\">2. Flow rate and turndown ratio<\/h3><ul class=\"wp-block-list\"><li>Low flow circuits \u2192 MT-GF<\/li>\n\n<li>Standard to high flow circuits \u2192 MT-ABRM or MT-LC<\/li>\n\n<li>Precision mass measurement regardless of flow variation \u2192 MTD-ACMW<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"3-accuracy-requirement\">3. Accuracy requirement<\/h3><ul class=\"wp-block-list\"><li>Top accuracy (\u00b10.1%) \u2192 MT-ABRM or MTD-ACMW<\/li>\n\n<li>General industry accuracy (\u00b10.2%-0.5%) \u2192 MT-LC or MT-GF<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"4-system-pressure-temperature\">4. System Pressure &amp; Temperature<\/h3><ul class=\"wp-block-list\"><li>High pressure (> 100 bar) \u2192 MT-ABRM (supports up to 110 bar or more) or MT-GF (option 400 bar)<\/li>\n\n<li>Moderate pressure \u2192 MT-LC<\/li>\n\n<li>Include accessory for air\/gas removal if bubbles entrained \u2192 MT-LPGX<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"5-fluid-installation-conditions\">5. Fluid\/installation conditions<\/h3><ul class=\"wp-block-list\"><li>Entrained air or gas likely present \u2192 Include MT-LPGX upstream of primary meter<\/li>\n\n<li>Variable fluid density\/temperature\/viscosity \u2192 Consider MTD-ACMW mass flow meter<\/li>\n\n<li>Straight-pipe run limitations or installation constraints \u2192 PD gear meters (MT-LC\/MT-GF) often more forgiving<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"6-budget-lifecycle-cost\">6. Budget \/ Lifecycle cost<\/h3><ul class=\"wp-block-list\"><li>More basic PD gear meter (MT-LC) may meet many hydraulic oil applications cost-effectively<\/li>\n\n<li>For long-term precision and higher cost justification \u2192 MT-ABRM or MTD-ACMW<\/li>\n\n<li>Accessory (MT-LPGX) adds cost but can significantly improve measurement reliability<\/li><\/ul><p>Hydraulic oil is a critical working fluid in industrial systems, and its measurement requires a flow meter that can handle high viscosity, high pressure, and temperature variations. Metlan Instruments product portfolio offers several excellent options:<\/p><ul class=\"wp-block-list\"><li>Utilice <strong>MT-ABRM<\/strong> for high-viscosity, high-pressure, high-accuracy needs.<\/li>\n\n<li>Utilice <strong>MT-LC<\/strong> for reliable gear PD measurement of hydraulic oil under general conditions.<\/li>\n\n<li>Utilice <strong>MT-GF<\/strong> for low-flow and\/or high-viscosity hydraulic circuits.<\/li>\n\n<li>Utilice <strong>MT-LPGX<\/strong> as an accessory to eliminate air\/gas prior to measurement devices, improving accuracy.<\/li>\n\n<li>Utilice <strong>MTD-ACMW<\/strong> when mass flow measurement is required and fluid properties vary or highest accuracy is demanded.<\/li><\/ul><p>By selecting the appropriate meter and configuring the upstream accessories properly, your hydraulic oil system can achieve reliable, repeatable measurement, improving system performance, reducing downtime, and enhancing operational control.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hydraulic oil is one of the most important working fluids in modern industrial equipment. It is responsible not only for power transmission but also for lubrication, cooling, and corrosion protection inside hydraulic systems. Because hydraulic systems operate under high pressure and rely heavily on precise control, the accuracy of hydraulic oil measurement becomes essential. A [&hellip;]<\/p>","protected":false},"author":1,"featured_media":27632,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[156],"tags":[],"class_list":["post-27631","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oil-flow-meters"],"_links":{"self":[{"href":"https:\/\/metlaninst.com\/es\/wp-json\/wp\/v2\/posts\/27631","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/metlaninst.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/metlaninst.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/metlaninst.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/metlaninst.com\/es\/wp-json\/wp\/v2\/comments?post=27631"}],"version-history":[{"count":1,"href":"https:\/\/metlaninst.com\/es\/wp-json\/wp\/v2\/posts\/27631\/revisions"}],"predecessor-version":[{"id":27638,"href":"https:\/\/metlaninst.com\/es\/wp-json\/wp\/v2\/posts\/27631\/revisions\/27638"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/metlaninst.com\/es\/wp-json\/wp\/v2\/media\/27632"}],"wp:attachment":[{"href":"https:\/\/metlaninst.com\/es\/wp-json\/wp\/v2\/media?parent=27631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/metlaninst.com\/es\/wp-json\/wp\/v2\/categories?post=27631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/metlaninst.com\/es\/wp-json\/wp\/v2\/tags?post=27631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}