{"id":8204,"date":"2026-05-20T18:11:17","date_gmt":"2026-05-20T18:11:17","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8204"},"modified":"2026-05-20T18:15:05","modified_gmt":"2026-05-20T18:15:05","slug":"19-common-liquid-level-gauges","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/ko\/19-common-liquid-level-gauges\/","title":{"rendered":"\uc77c\ubc18\uc801\uc778 \uc561\uccb4 \ub808\ubca8 \uac8c\uc774\uc9c0 19\uc885\uc5d0 \ub300\ud55c \uc0c1\uc138 \uc124\uba85: \uc6d0\ub9ac, \uc7a5\uc810, \ub2e8\uc810 \ubc0f \uc120\ud0dd \uad8c\uc7a5 \uc0ac\ud56d"},"content":{"rendered":"<p>In process industries, level gauges play a critical role in storage tanks, reactors, and pipeline systems. Choosing the wrong instrument can lead to reading drift, frequent maintenance, or even safety incidents. Faced with a dazzling array of products on the market, engineers often find themselves confused:<\/p>\n<ul>\n<li>Should viscous media use radar or ultrasonic?<\/li>\n<li>How to select contact instruments for strongly corrosive liquids?<\/li>\n<li>Why do boiler steam drums prefer differential pressure over float types?<\/li>\n<\/ul>\n<p>Based on real pain points from industrial sites, this guide systematically analyzes the core principles, fatal flaws, and golden application scenarios of 19 mainstream level\/position instruments. Whether you&#8217;re in design institute selection, plant maintenance, or procurement decision-making, this guide will become your essential desk reference.<\/p>\n<hr \/>\n<h2>1. Why Is Level Gauge Selection So Difficult?<\/h2>\n<p>The complexity of level measurement stems from three core contradictions:<\/p>\n<ul>\n<li><strong>Media Diversity:<\/strong>\u00a0From light oils to molten metals, from powder granules to strong acids and bases<\/li>\n<li><strong>Extreme Operating Conditions:<\/strong>\u00a0High temperature and pressure, vacuum environments, easy crystallization and wall hanging<\/li>\n<li><strong>Differentiated Requirements:<\/strong>\u00a0Local display, remote transmission, alarm interlocking, trade measurement<\/li>\n<\/ul>\n<p><strong>Key Insight:<\/strong>\u00a0There is no &#8220;best&#8221; level gauge\u2014only the &#8220;most suitable&#8221; level gauge.<\/p>\n<hr \/>\n<h2>2. Deep Dive into 19 Level Gauges<\/h2>\n<div class=\"gauge-type\">\n<h3>2.1 Magnetic Flip-Column Gauge<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Based on the communicating vessel principle and magnetic coupling, the float rises and falls with the liquid level, driving external flip columns to rotate.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0No power required, intuitive local display, high pressure resistant<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Not suitable for magnetic impurity media, prone to jamming, large blind zone<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Suitable for local indication of most open\/closed containers. If media tends to crystallize, consider steam jacketing or radar level gauges.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.2 <a href=\"https:\/\/www.yunrui-controls.com\/ko\/brands\/endress-hauser\/float-switch-level-measurement\/\">Float Level Switch<\/a><\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0The float contains a permanent magnet, driving reed switch closure as liquid level changes.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Simple structure, low cost, reliable switch output<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Many mechanical moving parts, affected by foam, only suitable for switch control<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0High\/low level alarms for water tanks and oil tanks; not suitable for viscous or solid-laden media.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.3 <a href=\"https:\/\/www.yunrui-controls.com\/ko\/brands\/endress-hauser\/radar-level-measurement\/\">Radar Level Gauge<\/a><\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Emits high-frequency microwave pulses, calculating distance through echo time difference (ToF).<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Non-contact measurement, minimal media influence, high accuracy<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Higher price, foam and steam severely interfere with signals, false echoes exist<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0First choice for high temperature\/pressure, strong corrosion, flammable and explosive media. Distinguish between Guided Wave Radar (GWR) and standard horn antenna applications.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.4 Magnetostrictive Level Gauge<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Utilizes magnetostrictive effect, measuring torsional wave time generated by float magnetic field.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Extremely high accuracy (\u00b10.5mm), high resolution, can measure both level and interface<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Float must move freely, sensitive to violent vibration, strict installation requirements<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0High-precision measurement and trade handover for petroleum and chemical storage tanks.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.5 <a href=\"https:\/\/www.yunrui-controls.com\/ko\/brands\/endress-hauser\/ultrasonic-level-measurement\/\">Ultrasonic Level Transmitter<\/a><\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Emits ultrasonic waves, calculating level through sound wave round-trip time, requires temperature compensation.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Completely non-contact, easy installation, no mechanical parts<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Severely affected by dust, foam, steam, limited range, prone to condensation at low temperatures<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Water treatment, open channels, clean water or weak acid\/alkali media at ambient temperature and pressure.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.6 Differential Level Pressure Transmitter<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Calculates level by measuring pressure difference between vessel bottom and vapor space (\u0394P = \u03c1gH).<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Mature technology, good stability, suitable for pressure vessels<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Requires impulse piping, greatly affected by media density changes, negative migration prone to clogging<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Classic solution for closed pressurized containers like boiler steam drums and reactors, especially for high-temperature media (with dual-flange diaphragm seals).<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.7 Capacitance Level Sensor<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Utilizes capacitance changes between probe and vessel wall (dielectric constant differences).<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Can measure solid powders, simple structure<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Wall buildup severely affects accuracy, requires recalibration<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Dry solid level measurement for coal powder silos and plastic pellets.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.8 RF Admittance Level Gauge<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Upgraded capacitance technology with impedance measurement to eliminate wall buildup effects.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Stronger anti-buildup capability than capacitance, good versatility<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Still affected by media dielectric constant changes<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Continuous measurement of viscous materials, slurries, and solid levels.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.9 Hydrostatic Level Transmitter<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Directly measures liquid bottom static pressure (P = \u03c1gH).<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Simple drop-in installation, extremely low cost<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Cables prone to corrosion, affected by bubble interference, density changes impact readings<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Simple monitoring of groundwater wells, sewage pools, and open water bodies.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.10 Glass Level Gauge<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Communicating vessel principle, direct visual reading.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Zero power consumption, most direct reading, no calibration needed<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Fragile, not pressure resistant, safety risks (especially in high-pressure applications)<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Small atmospheric pressure vessels, laboratory equipment, or auxiliary comparison for other instruments.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.11 Displacer Level Transmitter<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Based on Archimedes&#8217; buoyancy principle, displacer displacement generates torque tube angle changes.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Suitable for interface measurement, high temperature and pressure resistant<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Complex mechanical structure, difficult maintenance, affected by density changes<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Level and interface control for refinery fractionation towers and heavy oil storage tanks.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.12 Electrode Level Switch<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Utilizes conductivity differences between water and steam, circuit conducts when electrode is submerged.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Simple logic, high pressure and temperature resistant, reliable alarming<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Electrodes prone to scaling failure, only for conductive liquids<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Classic standard for boiler steam drum water level monitoring.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.13 Tuning Fork Level Switch<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Piezoelectric crystal drives tuning fork vibration, amplitude\/frequency changes upon material contact.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Unaffected by foam, light, or dust, maintenance-free<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Mechanical fatigue, not suitable for extremely viscous media<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0High\/low level alarms for various liquids and solids, especially suitable for food and pharmaceutical industries (hygienic type).<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.14 Steel Tape Level Gauge<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Float connected to counter via steel tape, mechanical transmission displays level.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Mechanical type requires no power, can read locally and transmit remotely<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Many components, heavy maintenance workload, steel tape prone to jamming<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Legacy tank farm retrofits, remote storage tanks without power supply.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.15 Smart Displacer Gauge<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Displacer force transmitted to sensor via magnetic coupling, digitally processed.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Intelligent, can measure density and interface, HART communication<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Same as traditional displacer, sensitive to density fluctuations<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Modern factories requiring remote monitoring and density compensation.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.16 Electronic Magnetic Gauge<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Magnetic sensors detect float position, LED dual-color display.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Good nighttime visibility, prominent display, no blind zone<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Relies on electronic components, long-term reliability to be verified<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Control rooms or operating platforms requiring long-distance level observation.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.17 External Mounted Level Gauge<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Ultrasonic wall-mounted measurement, analyzing tank wall micro-vibrations.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0No drilling, no hot work, doesn&#8217;t compromise vessel integrity<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Sensitive to tank wall thickness and material, complex algorithms, high price<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Hazardous media (nuclear waste, highly toxic chemicals) or tanks that cannot be shut down for drilling.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.18 Float and Tape Gauge<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Float drags on liquid surface, pointer driven via steel wire\/tape.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Simple structure, extremely low cost<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Severe mechanical wear, affected by wind load, low accuracy<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Rough level indication for large dome roof tanks.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.19 Servo Level Gauge<\/h3>\n<p><strong>\uc791\ub3d9 \uc6d0\ub9ac:<\/strong>\u00a0Servo motor drives float, force balance method for precise measurement.<\/p>\n<p class=\"pros\"><strong>Pros:<\/strong>\u00a0Extremely high accuracy, multi-point sampling, powerful functions<\/p>\n<p class=\"cons\"><strong>Cons:<\/strong>\u00a0Precision structure, expensive, high maintenance requirements<\/p>\n<div class=\"recommendation\"><strong>\uc120\ud0dd \ucd94\ucc9c:<\/strong>\u00a0Trade measurement-grade level measurement for large crude oil and product oil storage tanks.<\/div>\n<\/div>\n<hr \/>\n<h2>3. Golden Rules for Level Gauge Selection (Cheat Sheet)<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Priority<\/th>\n<th>Operating Condition<\/th>\n<th>Recommended Instrument<\/th>\n<th>Pitfall Guide<\/th>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50\u2b50<\/td>\n<td>High Temp\/High Pressure\/Strong Corrosion<\/td>\n<td>Radar, DP (Dual Flange)<\/td>\n<td>Avoid contact instruments, consider antenna material for radar<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50\u2b50<\/td>\n<td>Viscous\/Easy Crystallization\/Wall Buildup<\/td>\n<td>Radar (caution with GWR), RF Admittance<\/td>\n<td>Magnetic gauges need flushing\/jacketing, ultrasonic will fail<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50\u2b50<\/td>\n<td>Solid Powder\/Granules<\/td>\n<td>RF Admittance, Plumb Bob, Radar (air purge)<\/td>\n<td>Severe dust attenuation for ultrasonic, use with caution<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50<\/td>\n<td>High Precision\/Trade Measurement<\/td>\n<td>Servo Level Gauge, Magnetostrictive<\/td>\n<td>Requires temperature and density compensation<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50<\/td>\n<td>Boiler Steam Drum\/Steam Systems<\/td>\n<td>Differential Pressure, Electrode<\/td>\n<td>Must consider &#8220;false level&#8221; phenomenon<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50<\/td>\n<td>Local Field Indication<\/td>\n<td>Magnetic Flip-Column, Glass Plate<\/td>\n<td>Glass plate needs protective cover for safety<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50<\/td>\n<td>No Drilling\/Retrofit Projects<\/td>\n<td>External Mounted<\/td>\n<td>Strictly evaluate tank wall conditions and acoustic properties<\/td>\n<\/tr>\n<tr>\n<td>\u2b50<\/td>\n<td>Simple Water Tank\/Open Channel<\/td>\n<td>Ultrasonic, Hydrostatic<\/td>\n<td>Hydrostatic needs regular cleaning of vent cables<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>4. Procurement and Supply Chain Excellence<\/h2>\n<p>Xi&#8217;an Yunrui Trading Co., Ltd. specializes in international distribution of high-precision level instrumentation for oil, gas, chemical, and power generation sectors.<\/p>\n<p>Our engineering department assists global clients in evaluating model selection matrices, ensuring correct gauge, absolute, or differential transmitter codes are specified prior to order entry. Leveraging strategic buffer stock at our Xi&#8217;an logistical facility, we significantly reduce procurement lead times for standard configurations.<\/p>","protected":false},"excerpt":{"rendered":"<p>In process industries, level gauges play a critical role in storage tanks, reactors, and pipeline systems. Choosing the wrong instrument can lead to reading drift, frequent maintenance, or even safety incidents. Faced with a dazzling array of products on the market, engineers often find themselves confused: Should viscous media use radar or ultrasonic? How to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[384,1],"tags":[443,428,429,430,431,432,433,434,435,436,437,438,439,440,441,442],"class_list":["post-8204","post","type-post","status-publish","format-standard","hentry","category-news","category-blogs","tag-yunrui-supplier","tag-levelgauge","tag-leveltransmitter","tag-radarlevel","tag-ultrasoniclevel","tag-differentialpressure","tag-magnetostrictive","tag-industrialinstrumentation","tag-processcontrol","tag-tanklevel","tag-boilerlevel","tag-chemicalindustry","tag-oilandgas","tag-xianyunrui","tag-levelmeasurement","tag-instrumentationselection"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Detailed Explanation of 19 Common Level Meters |Y unrui Supplier<\/title>\n<meta name=\"description\" content=\"Complete guide to 19 types of industrial level gauges: radar, ultrasonic, differential pressure, magnetostrictive, and more. 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