{"id":7688,"date":"2026-05-13T16:40:57","date_gmt":"2026-05-13T08:40:57","guid":{"rendered":"https:\/\/issrsensor.com\/?p=7688"},"modified":"2026-05-14T16:56:45","modified_gmt":"2026-05-14T08:56:45","slug":"ultrasonic-sensors-vs-hydrostatic-level-transmitters-comparison","status":"publish","type":"post","link":"https:\/\/issrsensor.com\/de\/ultrasonic-sensors-vs-hydrostatic-level-transmitters-comparison\/","title":{"rendered":"Ultraschallsensoren vs. Hydrostatische F\u00fcllstandstransmitter: Eine umfassende Analyse der Vorteile der \u201cber\u00fchrungslosen\u201d Technologie bei der industriellen Auswahl"},"content":{"rendered":"<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-5ef4633\" id=\"1-foreword-the-engineering-gamble-of-level-measurement\" data-block-id=\"5ef4633\"><h2 class=\"stk-block-heading__text\">1. Foreword: The &#8220;Engineering Gamble&#8221; of Level Measurement<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-d2abc94\" data-block-id=\"d2abc94\"><style>.stk-d2abc94 .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\">In today&#8217;s rapid development of Industry 4.0 and Smart Water Management, level data acquisition has long surpassed merely &#8220;looking at a reading.&#8221; It serves as the core trigger condition for Predictive Maintenance, inventory management, and system automation linkage in the modern process industry.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-7b5585b\" data-block-id=\"7b5585b\"><style>.stk-7b5585b .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\">When engineers face level monitoring requirements for storage tanks, open channels, or reactors, the selection process is by no means just a showdown of nominal accuracy at the sensor&#8217;s factory departure. Instead, it is a long-term engineering gamble concerning installation complexity, Mean Time Between Failures (MTBF), anti-interference capability, and long-term Total Cost of Ownership (TCO).<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-fff7729\" data-block-id=\"fff7729\"><style>.stk-fff7729 .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\">Among numerous technological schools of thought, ultrasonic technology based on the Time-of-Flight (ToF) principle and hydrostatic\/pressure measurement based on Pascal&#8217;s Law constitute the two most mainstream camps in current industrial sites. As a professional manufacturer (ISSRSensor) deeply engaged in the R&amp;D of core ultrasonic components and sensors for 20 years, we will strip away the packaging of marketing jargon in this article. Starting from physical principles and actual pain points in real-world conditions, we will provide you with a profound analysis of the objective differences and application boundaries between these two technologies.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-a77e4e9\" id=\"2-ultrasonic-level-transmitters-the-generational-advantage-of-non-contact-measurement-technology\" data-block-id=\"a77e4e9\"><h2 class=\"stk-block-heading__text\">2. Ultraschall-F\u00fcllstandstransmitter: Der Generationsvorteil der ber\u00fchrungslosen Messtechnik<\/h2><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p>Das Kernprinzip des <a href=\"https:\/\/issrsensor.com\/ultrasonic-sensors\/\" target=\"_blank\">Ultraschall-F\u00fcllstandssensor<\/a> ist die Erzeugung mechanischer Hochfrequenzwellen durch piezoelektrische Keramiken (wie z. B. <a href=\"https:\/\/en.wikipedia.org\/wiki\/Lead_zirconate_titanate\" target=\"_blank\">PZT<\/a> materials) inside the probe. After the sound waves hit the liquid surface and reflect, the microprocessor calculates the exact &#8220;Time-of-Flight (ToF)&#8221; of the sound waves&#8217; round trip and combines it with the ambient speed of sound to derive an accurate liquid level height. This technology demonstrates an overwhelming generational advantage in modern industry, with its core defining word being: Non-contact.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-center stk-block stk-e1d6f0c\" data-block-id=\"e1d6f0c\"><style>.stk-e1d6f0c .stk-img-wrapper{width:100% !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-7694\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Working-Principle-of-Ultrasonic-Level-Sensors.webp\" width=\"750\" height=\"542\" alt=\"Funktionsprinzip von Ultraschall-F\u00fcllstandssensoren\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Working-Principle-of-Ultrasonic-Level-Sensors.webp 750w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Working-Principle-of-Ultrasonic-Level-Sensors-300x217.webp 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Working-Principle-of-Ultrasonic-Level-Sensors-18x12.webp 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-5e5e550\" id=\"2-1-innate-cleanliness-non-contact-is-productivity\" data-block-id=\"5e5e550\"><h3 class=\"stk-block-heading__text\">2.1 Innate &#8220;Cleanliness&#8221;: Non-Contact is Productivity<\/h3><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-13bc915\" data-block-id=\"13bc915\"><style>.stk-13bc915 .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\">In harsh chemical or water treatment environments, the sensor&#8217;s greatest enemy is often the medium itself. Traditional contact sensors submerged in liquid for long periods inevitably suffer physical damage. The &#8220;non-contact&#8221; nature of ultrasonic sensors makes them completely immune to the following lethal conditions:<\/p><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p><strong>Schutz gegen starke \u00e4tzende Stoffe:<\/strong> Bei starken S\u00e4uren und Laugen (z. B. Schwefels\u00e4ure oder Natriumhydroxidl\u00f6sungen) ist die <a href=\"https:\/\/issrsensor.com\/ultrasonic-transducers\/\" target=\"_blank\">Ultraschallsonde<\/a> wird hoch \u00fcber der Fl\u00fcssigkeitsoberfl\u00e4che aufgeh\u00e4ngt, wodurch der Korrosionspfad aus physikalischer Sicht vollst\u00e4ndig isoliert wird. Kombiniert mit <a href=\"https:\/\/issrsensor.com\/products\/112khz-anti-corrosion-ultrasonic-level-transducer\/\" target=\"_blank\">Korrosionsgesch\u00fctzte Geh\u00e4useausf\u00fchrungen<\/a> like those provided by ISSRSensor, the equipment&#8217;s lifespan is exponentially extended.<\/p>\n<\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p><strong>Ablehnung von Kristallisation und Materialanh\u00e4ufung:<\/strong> In high-concentration brine, syrup, or wastewater treatment containing suspended solids, contact probes are extremely prone to medium adhesion (material buildup) or even crystallization, leading to measurement distortion. Ultrasonic sensors do not have to worry about grease, chemicals, or solid suspended particles in wastewater attaching to the probe. This is particularly crucial in food manufacturing (ensuring hygiene standards) and municipal water affairs, truly realizing that &#8220;non-contact is productivity.&#8221;<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-6ea48d3\" id=\"2-2-astounding-micron-level-accuracy-and-sensitivity\" data-block-id=\"6ea48d3\"><h3 class=\"stk-block-heading__text\">2.2 Erstaunliche Genauigkeit und Empfindlichkeit im Mikrometerbereich<\/h3><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p>F\u00e4lschlicherweise wird oft angenommen, dass die ber\u00fchrungslose Messung weniger genau ist als die ber\u00fchrende Messung, aber das ist angesichts der modernen Ultraschalltechnologie bereits Geschichte. Dank der Fortschritte in der Materialwissenschaft und der elektronischen Signalverarbeitung hat die Empfindlichkeit des Ultraschalls eine nie dagewesene H\u00f6he erreicht.<\/p>\n    \n    <ul style=\"padding-left: 20px; margin: 0;\">\n        <li style=\"margin-bottom: 1em;\"><strong>Extrem hohe r\u00e4umliche Aufl\u00f6sung:<\/strong> In Verbindung mit einer fortschrittlichen AFE (Analog Front-End)-Signalverarbeitungsarchitektur k\u00f6nnen moderne Ultraschallsensoren der Spitzenklasse eine r\u00e4umliche Aufl\u00f6sung von bis zu 20 Mikrometern erreichen.<\/li>\n        <li style=\"margin-bottom: 1em;\"><strong>Capturing the Liquid Surface&#8217;s Micro-Breathing:<\/strong> Even if the liquid surface has a minute fluctuation of just half a teaspoon&#8217;s volume, this change in energy reflection can be keenly captured by high-frequency sound waves through an extremely short flight time difference.<\/li>\n        <li style=\"margin-bottom: 1em;\"><strong>Dynamische Temperaturkompensation:<\/strong> Ausgezeichnete industrielle Ultraschallsensoren integrieren hochpr\u00e4zise Thermistoren im Inneren der Sonde. Angesichts der Schallgeschwindigkeitsschwankungen, die durch Tag- und Nacht-Temperaturunterschiede im Tank verursacht werden, f\u00fchrt der Mikroprozessor eine dynamische Schallgeschwindigkeitskompensation durch und stellt sicher, dass die absolute Genauigkeit im Millimeterbereich auch in komplexen Umgebungen von -20\u00b0C bis 70\u00b0C beibehalten wird.<\/li>\n    <\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-9a20de2\" id=\"2-3-the-ideal-partner-for-the-io-t-era-ultra-low-power-consumption-and-intelligent-algorithms\" data-block-id=\"9a20de2\"><h3 class=\"stk-block-heading__text\">2.3 Der ideale Partner f\u00fcr die IoT-\u00c4ra: Ultra-niedriger Stromverbrauch und intelligente Algorithmen<\/h3><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p>Mit der Verbreitung des Internets der Dinge (IoT) in industriellen Szenarien haben die Fern\u00fcberwachungsknoten extrem hohe Anforderungen an den Stromverbrauch der Sensoren gestellt, was ein weiterer wichtiger Einsatzbereich f\u00fcr die Ultraschalltechnologie ist.<\/p>\n    \n    <ul style=\"padding-left: 20px; margin: 0;\">\n        <li style=\"margin-bottom: 1em;\"><strong>Energiemanagement auf Mikroampere-Ebene:<\/strong> Die neueste Ultraschallsensorarchitektur kann einen erstaunlich niedrigen Stromverbrauch von 25\u03bcA im Standby-Modus erreichen. Dieser extrem niedrige Stromverbrauch macht ihn perfekt geeignet f\u00fcr solarbetriebene Systeme in abgelegenen Gebieten oder batteriebetriebene NB-IoT\/LoRaWAN-Fern\u00fcberwachungsknoten.<\/li>\n        <li style=\"margin-bottom: 1em;\"><strong>An &#8220;Intelligent Brain&#8221; that Penetrates Interference:<\/strong> An industrial site is by no means a laboratory; storage tanks are often filled with vapor, dust, or equipped with agitators. Modern ultrasonic sensors are not just &#8220;sound emitters&#8221; but also &#8220;analyzers.&#8221; Through advanced False Echo Suppression algorithms and envelope recognition technology, the sensor can intelligently identify and filter out noise generated by tank wall obstacles and steam interference, accurately locking onto the true liquid surface echo.<\/li>\n    <\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-center stk-block stk-c8119ce\" data-block-id=\"c8119ce\"><style>.stk-c8119ce .stk-img-wrapper{width:100% !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-7693\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-sensors-identify-and-filter-out-noise-generated-by-tank-wall-obstructions-and-steam-interference.webp\" width=\"750\" height=\"414\" alt=\"Ultraschallsensoren erkennen und filtern Ger\u00e4usche, die durch Hindernisse an den Tankw\u00e4nden und Dampfinterferenzen entstehen\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-sensors-identify-and-filter-out-noise-generated-by-tank-wall-obstructions-and-steam-interference.webp 750w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-sensors-identify-and-filter-out-noise-generated-by-tank-wall-obstructions-and-steam-interference-300x166.webp 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-sensors-identify-and-filter-out-noise-generated-by-tank-wall-obstructions-and-steam-interference-18x10.webp 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-a429089\" id=\"3-hydrostatic-pressure-level-transmitters-the-stable-foundation-of-industrial-tradition\" data-block-id=\"a429089\"><h2 class=\"stk-block-heading__text\">3. Hydrostatische\/Druckmessumformer: Das stabile Fundament der industriellen Tradition<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-cfbcffa\" data-block-id=\"cfbcffa\"><style>.stk-cfbcffa .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\">Obwohl die Ultraschalltechnologie den Markt immer mehr beherrscht, haben Druckmessumformer (oder Differenzdruckmessumformer) als altbew\u00e4hrte Industriel\u00f6sung in bestimmten Bereichen immer noch ihren Wert. Als professioneller Anbieter von Sensorl\u00f6sungen m\u00fcssen wir ihre physikalische Grundlage objektiv betrachten.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-8174d9b\" id=\"3-1-measurement-logic-indirect-calculation-based-on-pascals-law\" data-block-id=\"8174d9b\"><h3 class=\"stk-block-heading__text\">3.1 Measurement Logic: Indirect Calculation Based on Pascal&#8217;s Law<\/h3><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-a6a4e8e\" data-block-id=\"a6a4e8e\"><style>.stk-a6a4e8e .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\">The underlying logic of a pressure level transmitter is very straightforward: based on Pascal&#8217;s Law in fluid mechanics, the hydrostatic pressure at the bottom of the liquid equals the product of the fluid density, gravitational acceleration, and liquid level height (Formula: P = \u03c1gh). The sensor measures the pressure P at the bottom and uses the preset medium density \u03c1 in the system to reversely calculate the liquid level height h. This is a highly mature indirect measurement technology. <\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-center stk-block stk-50a3c9e\" data-block-id=\"50a3c9e\"><style>.stk-50a3c9e .stk-img-wrapper{width:100% !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-7689\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/The-Working-Principle-of-Pressure-Type-Liquid-Level-Sensors.webp\" width=\"750\" height=\"414\" alt=\"Das Funktionsprinzip von Drucksensoren f\u00fcr Fl\u00fcssigkeitsst\u00e4nde\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/The-Working-Principle-of-Pressure-Type-Liquid-Level-Sensors.webp 750w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/The-Working-Principle-of-Pressure-Type-Liquid-Level-Sensors-300x166.webp 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/The-Working-Principle-of-Pressure-Type-Liquid-Level-Sensors-18x10.webp 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-faae65f\" id=\"3-2-the-unique-value-and-irreplaceable-comfort-zone-of-pressure-measurement\" data-block-id=\"faae65f\"><h3 class=\"stk-block-heading__text\">3.2 The Unique Value and Irreplaceable &#8220;Comfort Zone&#8221; of Pressure Measurement<\/h3><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p>Unter bestimmten extremen physikalischen Grenzen wird die Ausbreitung von Schallwellen t\u00f6dlich behindert. Zu diesem Zeitpunkt ist die Druckmessung au\u00dfergew\u00f6hnlich robust:<\/p>\n    \n    <ul style=\"padding-left: 20px; margin: 0;\">\n        <li style=\"margin-bottom: 1em;\"><strong>Extreme Temperatur und Druck:<\/strong> In Ultrahochtemperatur- und Hochdruckkesseln mit einer Temperatur von \u00fcber 150 \u00b0C oder in geschlossenen Reaktoren mit extremem Vakuum (wo das Medium f\u00fcr die Ausbreitung der Schallwellen fehlt) versagt die Ultraschalltechnologie, w\u00e4hrend die Druckmembran noch funktionieren kann, indem sie sich auf die physikalische Kompression st\u00fctzt.<\/li>\n        <li style=\"margin-bottom: 1em;\"><strong>Extrem dicke Schaumstoffschichten:<\/strong> When a dense, sound-absorbing foam layer tens of centimeters thick exists on the liquid surface, the ultrasonic signal will be severely attenuated or even completely absorbed. Because foam generates almost no significant hydrostatic pressure, a hydrostatic level transmitter can directly &#8220;ignore&#8221; the foam and accurately measure the weight and height of the true underlying liquid.<\/li>\n    <\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-a04a7e8\" id=\"3-3-scientific-limitations-the-other-side-of-the-coin\" data-block-id=\"a04a7e8\"><h3 class=\"stk-block-heading__text\">3.3 Wissenschaftliche Beschr\u00e4nkungen: Die andere Seite der Medaille<\/h3><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p>Ohne die traditionelle Technologie zu verunglimpfen, m\u00fcssen die objektiven technischen Herausforderungen, denen sie sich stellen muss, verdeutlicht werden:<\/p>\n    \n    <ul style=\"padding-left: 20px; margin: 0;\">\n        <li style=\"margin-bottom: 1em;\"><strong>Fatal &#8220;Density Dependency&#8221;:<\/strong> Looking closely at the formula P = \u03c1gh, if the liquid&#8217;s temperature changes, or the medium&#8217;s chemical concentration alters, its density \u03c1 will fluctuate. This means that even if the liquid level height h remains completely unchanged, the pressure value P output by the sensor will vary, causing the system to calculate false liquid level fluctuations.<\/li>\n        <li style=\"margin-bottom: 1em;\"><strong>Risiko von Kontaktfehlern und physischen Besch\u00e4digungen:<\/strong> Die Kernkomponenten eines Druckmessumformers (z. B. Membranen aus 316L-Edelstahl oder Hastelloy) m\u00fcssen langfristig in das Medium getaucht werden. Stark korrosive Fl\u00fcssigkeiten erodieren die Membran, Sedimente reiben sie ab, und viskose Fl\u00fcssigkeiten k\u00f6nnen leicht die Druckf\u00fchrungsl\u00f6cher am Boden verstopfen und katastrophale Messausf\u00e4lle verursachen.<\/li>\n    <\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-3d9f24f\" id=\"4-engineering-practice-installation-complexity-vs-total-cost-of-ownership-tco-comparison\" data-block-id=\"3d9f24f\"><h2 class=\"stk-block-heading__text\">4. Technische Praxis: Vergleich der Installationskomplexit\u00e4t mit den Gesamtbetriebskosten (TCO)<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-5668e06\" data-block-id=\"5668e06\"><style>.stk-5668e06 .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\">Industrial procurement looks at far more than just the sensor&#8217;s &#8220;BOM hardware cost&#8221;; senior instrument engineers pay more attention to the equipment&#8217;s Total Cost of Ownership (TCO). TCO encompasses the equipment&#8217;s installation labor, downtime maintenance costs, and calibration expenses over its lifecycle.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-8f82754\" id=\"4-1-installation-flexibility-the-safety-gamble-of-top-mounted-vs-side-bottom-mounted\" data-block-id=\"8f82754\"><h3 class=\"stk-block-heading__text\">4.1 Flexibilit\u00e4t bei der Installation: Das Sicherheitsspiel der Aufbaumontage im Vergleich zur Seiten- und Unterbaumontage<\/h3><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <ul style=\"padding-left: 20px; margin: 0;\">\n        <li style=\"margin-bottom: 1em;\"><strong>The &#8220;Zero Penetration&#8221; Safety Rule of Ultrasound:<\/strong> The vast majority of ultrasonic level sensors utilize a top-mounted flange\/thread setup. This layout means no mechanical openings are required on the bottom or sides of the storage tank, fundamentally eliminating the physical paths for hazardous chemicals (like acids or toxic solvents at the tank&#8217;s bottom) to leak. For pressure vessels, a top-mounted ultrasonic solution can also greatly reduce the difficulty of safety certifications for the container.<\/li>\n        <li style=\"margin-bottom: 1em;\"><strong>Der hohe Installationspreis von Druck-\/Differenzdrucktypen:<\/strong> Handelt es sich um einen offenen Tank, muss der hydrostatische Typ bis auf den Boden der Fl\u00fcssigkeit abgelassen werden; handelt es sich um einen geschlossenen Drucktank, ist die Installation eines DP-Transmitters \u00e4u\u00dferst komplex. Es m\u00fcssen nicht nur \u00d6ffnungen an der Ober- und Unterseite des Tanks angebracht werden, sondern auch Hoch- und Niederdruck-Impulsleitungen verlegt werden. Wenn das Medium fl\u00fcchtig ist und zur Kondensation neigt, m\u00fcssen die Ger\u00e4teingenieure sogar komplexe Dry-Leg- und Wet-Leg-Rohrleitungssysteme entwerfen und Isolierfl\u00fcssigkeit in die Rohre einspritzen. Dies ist nicht nur \u00e4u\u00dferst empfindlich gegen\u00fcber Installationswinkeln, sondern das Rohrsystem selbst wird zu einer massiven potenziellen Leckstelle.<\/li>\n    <\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-48ce003\" id=\"4-2-calibration-and-maintenance-cycles-the-invisible-black-hole-of-labor-costs\" data-block-id=\"48ce003\"><h3 class=\"stk-block-heading__text\">4.2 Calibration and Maintenance Cycles: The &#8220;Invisible Black Hole&#8221; of Labor Costs<\/h3><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <ul style=\"padding-left: 20px; margin: 0;\">\n        <li style=\"margin-bottom: 1em;\"><strong>Druckart: Langzeit-Kalibrierungs-Abh\u00e4ngigkeit:<\/strong> The maintenance of traditional differential pressure level transmitters heavily relies on manual labor. Due to diaphragm aging and environmental stress, the equipment is extremely prone to Zero Drift. Furthermore, when dealing with media containing numerous impurities, maintenance personnel need to periodically perform &#8220;Purging&#8221; operations to clean the impulse lines. If the type of liquid in the tank is changed (altering the density), the instrument technician must use a handheld communicator to re-perform range migration and density calibration.<\/li>\n        <li style=\"margin-bottom: 1em;\"><strong>Ultrasound: Minimalist On-Site Calibration and the Ultimate &#8220;Maintenance-Free&#8221; Form:<\/strong> Traditional instrument calibration often requires complex Hart handheld communicators or host software. However, advanced ultrasonic sensors adopt a highly practical &#8220;Teach-in&#8221; design utilizing an external pigtail wire on-site. The instrument engineer does not need to carry any external configuration equipment; simply short-circuiting the dedicated external teach wire to the positive (VCC) and negative (GND) terminals of the power supply can quickly complete the learning and locking of the measurement range (full scale and zero point). This purely physical wire-controlled calibration method completely eliminates the risks of on-site button aging and water ingress failures, and it also bypasses the limitations of complex communication protocols. Once calibration is complete, thanks to the &#8220;no moving parts&#8221; and non-contact nature of the device, it subsequently enters a virtually &#8220;Install and forget&#8221; maintenance-free state, drastically reducing long-term operational and maintenance labor expenses.<\/li>\n    <\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-d83ea85\" id=\"5-industry-application-decision-matrix-in-depth-engineering-selection-guide\" data-block-id=\"d83ea85\"><h2 class=\"stk-block-heading__text\">5. Entscheidungsmatrix f\u00fcr Industrieanwendungen (ausf\u00fchrliche technische Auswahlhilfe)<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-8c17f70\" data-block-id=\"8c17f70\"><style>.stk-8c17f70 .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\">There is no absolute perfection in technology, only the most suitable physical match for the working conditions. To help instrument engineers avoid &#8220;selection disasters,&#8221; we have outlined the following selection decision guide based on years of acoustic R&amp;D and on-site engineering experience, from the underlying dimensions of fluid mechanics and acoustics.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-8eadedc\" id=\"5-1-scenarios-and-principles-where-ultrasonic-level-sensors-are-highly-recommended\" data-block-id=\"8eadedc\"><h3 class=\"stk-block-heading__text\">5.1 Scenarios and Principles Where &#8220;Ultrasonic Level Sensors&#8221; Are Highly Recommended<\/h3><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-1ecabd5\" data-block-id=\"1ecabd5\"><style>.stk-1ecabd5 .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\">Solange die physikalische Umgebung eine stabile Ausbreitung der mechanischen Schallwellen zul\u00e4sst, ist Ultraschall aufgrund seiner absoluten Vorteile - Wartungsfreiheit, Ber\u00fchrungslosigkeit und hohe Empfindlichkeit - f\u00fcr die folgenden Szenarien die erste Wahl:<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-bc7f254\" id=\"5-1-1-chemical-and-pharmaceutical-industries-extreme-corrosion-and-high-cleanliness\" data-block-id=\"bc7f254\"><h4 class=\"stk-block-heading__text\">5.1.1 Chemische und pharmazeutische Industrie (extreme Korrosion und hohe Reinheit):<\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-center stk-block stk-66df584\" data-block-id=\"66df584\"><style>.stk-66df584 .stk-img-wrapper{width:100% !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-7297\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/02\/Application-of-ultrasonic-sensors-in-reactor-liquid-level-detection.webp\" width=\"750\" height=\"422\" alt=\"Anwendung von Ultraschallsensoren zur Erkennung des Fl\u00fcssigkeitsstands in Reaktoren\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/02\/Application-of-ultrasonic-sensors-in-reactor-liquid-level-detection.webp 750w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/02\/Application-of-ultrasonic-sensors-in-reactor-liquid-level-detection-300x169.webp 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/02\/Application-of-ultrasonic-sensors-in-reactor-liquid-level-detection-18x10.webp 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-3316312\" data-block-id=\"3316312\"><style>.stk-3316312 .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\"><strong>Technischer Schmerzpunkt:<\/strong> When facing concentrated sulfuric acid or hydrochloric acid, traditional contact instruments often require expensive Hastelloy or Tantalum metal diaphragms, and are highly susceptible to leakage due to &#8220;Capillary Action.&#8221;<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-ca6b2ce\" data-block-id=\"ca6b2ce\"><style>.stk-ca6b2ce .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\"><strong>Der Vorteil von Ultraschall:<\/strong> Ultraschall-F\u00fcllstandstransmitter, die PTFE- (Polytetrafluorethylen) oder PVDF-gekapselte Sonden verwenden, werden hoch \u00fcber der Fl\u00fcssigkeitsoberfl\u00e4che aufgeh\u00e4ngt, wodurch der Korrosionspfad vollst\u00e4ndig von der physikalischen Ebene getrennt wird. In der Lebensmittel- und Pharmaindustrie (CIP\/SIP-Reinigungsbedingungen) wird durch die Ber\u00fchrungslosigkeit auch das Risiko des Bakterienwachstums, das durch tote Zonen in Kontaktsonden verursacht wird, perfekt vermieden.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-90b5cd5\" id=\"5-1-2-smart-water-affairs-and-environmental-engineering-complex-suspended-solids-and-narrow-pump-stations\" data-block-id=\"90b5cd5\"><h4 class=\"stk-block-heading__text\">5.1.2 Intelligente Wasserangelegenheiten und Umwelttechnik (Komplexe Schwebstoffe und enge Pumpstationen):<\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-center stk-block stk-a050aaa\" data-block-id=\"a050aaa\"><style>.stk-a050aaa .stk-img-wrapper{width:100% !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-7691\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-Liquid-Level-Detection-for-Sewage-Tanks.webp\" width=\"750\" height=\"422\" alt=\"Ultraschall-F\u00fcllstandsmessung f\u00fcr Abwassertanks\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-Liquid-Level-Detection-for-Sewage-Tanks.webp 750w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-Liquid-Level-Detection-for-Sewage-Tanks-300x169.webp 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-Liquid-Level-Detection-for-Sewage-Tanks-18x10.webp 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-862d9a2\" data-block-id=\"862d9a2\"><style>.stk-862d9a2 .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\"><strong>Technischer Schmerzpunkt:<\/strong> Haare, Ablagerungen und Fette im Abwasser verstopfen leicht die Impulsleitungen von Druckmessumformern und f\u00fchren zu einer L\u00e4hmung der Messung.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-909aeff\" data-block-id=\"909aeff\"><style>.stk-909aeff .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\"><strong>Der Vorteil von Ultraschall: <\/strong>Moderne Ultraschallsensoren f\u00fcr den industriellen Einsatz verf\u00fcgen \u00fcber eine hervorragende Acoustic Matching Layer-Technologie und integrierte Algorithmen zur St\u00f6rechounterdr\u00fcckung. Selbst bei auf der Wasseroberfl\u00e4che schwimmendem Unrat oder in engen unterirdischen Pumpstationen mit Kletterleitern kann der Sensor einen engen Abstrahlwinkel aussenden und Algorithmen verwenden, um St\u00f6rechos, die von Rohrw\u00e4nden und Leitern erzeugt werden, herauszufiltern und die tats\u00e4chliche Wasseroberfl\u00e4che genau zu erfassen.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-a34cac7\" id=\"5-1-3-fuel-energy-and-io-t-remote-monitoring-microampere-power-consumption-and-explosion-vibration-resistance\" data-block-id=\"a34cac7\"><h4 class=\"stk-block-heading__text\">5.1.3 Brennstoffenergie und IoT-Fern\u00fcberwachung (Mikroampere-Stromverbrauch und Explosions-\/Vibrationsbest\u00e4ndigkeit):<\/h4><\/div>\n\n\n\n<div class=\"wp-block-stackable-image stk-block-image has-text-align-center stk-block stk-1ce3107\" data-block-id=\"1ce3107\"><style>.stk-1ce3107 .stk-img-wrapper{width:100% !important;}<\/style><figure><span class=\"stk-img-wrapper stk-image--shape-stretch\"><img loading=\"lazy\" decoding=\"async\" class=\"stk-img wp-image-7692\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-Oil-Level-Detection-for-Tank-Trucks.webp\" width=\"750\" height=\"375\" alt=\"Ultraschall-\u00d6lstandserfassung f\u00fcr Tanklastwagen\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-Oil-Level-Detection-for-Tank-Trucks.webp 750w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-Oil-Level-Detection-for-Tank-Trucks-300x150.webp 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/05\/Ultrasonic-Oil-Level-Detection-for-Tank-Trucks-18x9.webp 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/span><\/figure><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-a6eb1d5\" data-block-id=\"a6eb1d5\"><style>.stk-a6eb1d5 .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\"><strong>Der absolute Vorteil des Ultraschalls: <\/strong>For LPG (Liquefied Petroleum Gas) cylinders, mobile hazardous material tank trucks, and oil storage tanks at remote base stations, traditional tank penetrations for level measurement mean tremendous leakage hazards and exorbitant explosion-proof certification costs. Modern ultrasonic technology innovatively adopts a &#8220;non-penetrating, bottom-mounted, upward-penetrating detection&#8221; design\u2014the sensor is directly attached to the external bottom of the container. High-frequency sound waves penetrate upward through the metal tank bottom into the liquid and reflect at the gas-liquid interface. This completely Non-invasive physical architecture fundamentally eliminates leak points in sealed high-pressure vessels, guaranteeing absolute explosion-proof safety. Meanwhile, its internal Solid-state nature (without any moving mechanical parts) allows it to exhibit excellent shock resistance against the severe bumps and high-frequency vibrations of mobile tank trucks. Coupled with its microampere-level standby power consumption, this externally mounted ultrasonic solution has become an irreplaceable data engine for battery-powered LoRaWAN\/NB-IoT industrial telemetry terminals.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-b079da3\" id=\"5-2-the-marginal-physical-boundaries-where-pressure-differential-pressure-level-transmitters-must-be-retained\" data-block-id=\"b079da3\"><h3 class=\"stk-block-heading__text\">5.2 The Marginal Physical Boundaries Where &#8220;Pressure\/Differential Pressure Level Transmitters&#8221; Must Be Retained<\/h3><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <p>Ultrasound is not omnipotent. In the following extreme blind spots that break the &#8220;physical laws of sound wave propagation,&#8221; we must still rely on pressure measurements based on Pascal&#8217;s Law as a fallback:<\/p>\n    \n    <ul style=\"padding-left: 20px; margin: 0;\">\n        <li style=\"margin-bottom: 1em;\"><strong>Versiegelte Systeme mit ultrahohen Temperaturen und starken Temperaturschwankungen:<\/strong> When the internal temperature of a storage tank is extremely high (such as steam boilers in thermal power plants), firstly, the excessive heat may exceed the &#8220;Curie Temperature&#8221; of the piezoelectric ceramics inside the ultrasonic probe, causing permanent failure of the piezoelectric effect. Secondly, severe temperature gradients will trigger Acoustic Refraction, causing sound waves to deviate from the receiver. At this time, heat-resistant pressure diaphragms must be relied upon.<\/li>\n        <li style=\"margin-bottom: 1em;\"><strong>Extrem-Vakuum-Beh\u00e4lter:<\/strong> Sound waves are mechanical waves and must rely on a medium (like air or gas) to vibrate and propagate. If a chemical reactor requires a high vacuum to be drawn during the process, the sound waves will &#8220;lose their carrier&#8221; and fail completely. In this case, contact hydrostatic measurement is the only solution.<\/li>\n    <\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-18507b9\" id=\"5-3-core-technical-parameters-horizontal-comparison-matrix-engineers-cheat-sheet\" data-block-id=\"18507b9\"><h3 class=\"stk-block-heading__text\">5.3 Core Technical Parameters Horizontal Comparison Matrix (Engineers&#8217; Cheat Sheet)<\/h3><\/div>\n\n\n\n<table style=\"border-collapse: collapse; width: 100%; font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <tr>\n        <th style=\"border: 1px solid #edeff1; padding: 8px; font-weight: bold; color: #16aac5; text-align: center;\">Zentrale Bewertungsdimension<\/th>\n        <th style=\"border: 1px solid #edeff1; padding: 8px; font-weight: bold; color: #16aac5; text-align: center;\">Ultraschall-F\u00fcllstandstransmitter<br>(Ultraschall ToF)<\/th>\n        <th style=\"border: 1px solid #edeff1; padding: 8px; font-weight: bold; color: #16aac5; text-align: center;\">Druck-\/Hydrostatischer F\u00fcllstandstransmitter<br>(Hydrostatischer DP)<\/th>\n    <\/tr>\n    <tr>\n        <th style=\"border: 1px solid #edeff1; padding: 8px; font-weight: bold; text-align: left; vertical-align: top;\">Prinzip der Messung<\/th>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">Sound wave Time-of-Flight (ToF) &#8211; Non-contact<\/td>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">Hydrostatic pressure (P = \u03c1gh) &#8211; Contact immersion<\/td>\n    <\/tr>\n    <tr>\n        <th style=\"border: 1px solid #edeff1; padding: 8px; font-weight: bold; text-align: left; vertical-align: top;\">Auswirkungen von \u00c4nderungen der mittleren Dichte<\/th>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">V\u00f6llig unbeeinflusst<br>(Exakt, unabh\u00e4ngig von Dichte\u00e4nderungen)<\/td>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">\u00c4u\u00dferst empfindlich<br>(Dichte\u00e4nderungen f\u00fchren zu gro\u00dfen Fehlern)<\/td>\n    <\/tr>\n    <tr>\n        <th style=\"border: 1px solid #edeff1; padding: 8px; font-weight: bold; text-align: left; vertical-align: top;\">Anti-Viskosit\u00e4t\/Kristallisationsf\u00e4higkeit<\/th>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">Hervorragend (kein Kontakt mit Fl\u00fcssigkeit, keine Gefahr von Materialablagerungen)<\/td>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">Extrem schlecht (hohe Neigung zur Verstopfung der Impulsl\u00f6cher oder zur Ummantelung der Membran)<\/td>\n    <\/tr>\n    <tr>\n        <th style=\"border: 1px solid #edeff1; padding: 8px; font-weight: bold; text-align: left; vertical-align: top;\">Anpassungsf\u00e4higkeit an Vakuumbedingungen<\/th>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">Kann nicht funktionieren<br>(Erfordert ein Medium f\u00fcr die Ausbreitung von Schallwellen)<\/td>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">Hervorragend (arbeitet mit physischer Kompression)<\/td>\n    <\/tr>\n    <tr>\n        <th style=\"border: 1px solid #edeff1; padding: 8px; font-weight: bold; text-align: left; vertical-align: top;\">Mechanische Abnutzung und Nullpunktverschiebung<\/th>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">Keine mechanischen Teile, null Drift auf Lebenszeit<\/td>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">Die Membran unterliegt einer Metallerm\u00fcdung, die leicht zu einer Nullpunktverschiebung f\u00fchrt.<\/td>\n    <\/tr>\n    <tr>\n        <th style=\"border: 1px solid #edeff1; padding: 8px; font-weight: bold; text-align: left; vertical-align: top;\">T\u00e4glicher Pflegebedarf<\/th>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">Praktisch wartungsfrei<br>(Keine Sp\u00fclung\/Reinigung erforderlich)<\/td>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">Erfordert regelm\u00e4\u00dfige Reinigung der Impulsleitungen, Sp\u00fclung und Neukalibrierung der Dichte<\/td>\n    <\/tr>\n    <tr>\n        <th style=\"border: 1px solid #edeff1; padding: 8px; font-weight: bold; text-align: left; vertical-align: top;\">Langfristige Gesamtbetriebskosten (TCO)<\/th>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">\u00c4u\u00dferst gering<br>(Spart erhebliche Kosten f\u00fcr Arbeit und Ausfallzeiten)<\/td>\n        <td style=\"border: 1px solid #edeff1; padding: 8px; text-align: center; vertical-align: top;\">Relativ hoch (h\u00f6herer Arbeitsaufwand f\u00fcr Inspektionen und Kalibrierungswartung)<\/td>\n    <\/tr>\n<\/table>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-1ada6c4\" id=\"6-conclusion-the-inevitable-choice-for-digital-transformation-and-expert-call-to-action\" data-block-id=\"1ada6c4\"><h2 class=\"stk-block-heading__text\">6. Schlussfolgerung: Die unvermeidliche Entscheidung f\u00fcr die digitale Transformation und der Aufruf der Experten zum Handeln<\/h2><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-9360805\" data-block-id=\"9360805\"><style>.stk-9360805 .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\">Blickt man auf die Entwicklungsgeschichte der industriellen Prozesssteuerung zur\u00fcck, so ist die Verbreitung jeder Messtechnik im Wesentlichen durch das Streben nach h\u00f6herer Systemzuverl\u00e4ssigkeit und niedrigeren Gesamtbetriebskosten (TCO) bedingt.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-text stk-block-text stk-block stk-8540bb1\" data-block-id=\"8540bb1\"><style>.stk-8540bb1 .stk-block-text__text{line-height:1.5rem !important;}<\/style><p class=\"stk-block-text__text\">Although the cornerstone position of pressure level transmitters in extreme environments like high temperatures and vacuums remains unshakeable, looking broadly at the digital transformation of modern Industry 4.0, the rigid demand for &#8220;maintenance-free&#8221; equipment, and the tolerance for complex and harsh media, the ultrasonic non-contact technology based on the ToF principle undoubtedly offers a superior comprehensive lifecycle return on investment. It completely breaks the engineering curse of traditional contact instruments that require frequent calibration, purge cleaning, and are highly susceptible to corrosion.<\/p><\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-82190e7\" id=\"faq\" data-block-id=\"82190e7\"><h2 class=\"stk-block-heading__text\">FAQ<\/h2><\/div>\n\n\n\n<div style=\"font-family: 'Source Sans 3', sans-serif; line-height: 1.5em;\">\n    <div style=\"margin-bottom: 2em;\">\n        <p style=\"margin: 0 0 0.5em 0;\"><strong>Q1: What is the &#8220;Dead Band&#8221; of an ultrasonic level transmitter? Does it affect measurement?<\/strong><\/p>\n        <p style=\"margin: 0;\"><strong>A1:<\/strong> The dead band is a physical phenomenon where the ultrasonic transducer produces a &#8220;Ringing&#8221; effect when emitting sound waves. During this extremely short ringing period, the sensor cannot receive reflected echoes. Therefore, there is a small distance directly below the probe that cannot be measured (usually ranging from 10cm to 50cm, depending on the range). During installation, you only need to ensure that the maximum liquid level (full scale) does not enter this dead band. If your tank space is extremely constrained, ISSRSensor can provide customized high-frequency, narrow dead band transducer solutions.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 2em;\">\n        <p style=\"margin: 0 0 0.5em 0;\"><strong>F2: Kann ich einen Ultraschall-F\u00fcllstandstransmitter auch dann verwenden, wenn sich im Lagertank dicker Schaum auf der Fl\u00fcssigkeitsoberfl\u00e4che befindet?<\/strong><\/p>\n        <p style=\"margin: 0;\"><strong>A2:<\/strong> This depends on the physical properties of the foam. If it is a light foam that easily bursts (such as saponification liquid), ISSRSensor&#8217;s low-frequency transducers combined with penetration algorithms can handle it easily. However, if it is a dense, sound-absorbing foam up to tens of centimeters thick (like in beer fermentation tanks or certain chemical reactors), the ultrasonic signal will be severely absorbed, leading to &#8220;lost echoes.&#8221; In this case, we usually recommend switching to a guided wave radar level transmitter, or using a traditional hydrostatic level transmitter, because hydrostatic measurement is unaffected by surface foam.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 2em;\">\n        <p style=\"margin: 0 0 0.5em 0;\"><strong>Q3: Will drastic fluctuations in ambient temperature cause the ultrasonic level transmitter to become &#8220;inaccurate&#8221;?<\/strong><\/p>\n        <p style=\"margin: 0;\"><strong>A3:<\/strong> Herk\u00f6mmliche unkompensierte Ultraschallsonden sind in der Tat betroffen, da sich die Geschwindigkeit der Schallausbreitung in der Luft mit der Temperatur \u00e4ndert (bei jeder Temperatur\u00e4nderung um 1\u2103 \u00e4ndert sich die Schallgeschwindigkeit um etwa 0,6 m\/s). Moderne Ultraschall-F\u00fcllstandmessger\u00e4te f\u00fcr den industriellen Einsatz (wie die Produkte der ISSR-Serie) enthalten jedoch hochpr\u00e4zise Thermistoren in der Sonde, die eine dynamische Kompensation der Schallgeschwindigkeit im Mikrosekundenbereich erm\u00f6glichen. Solange sich die Sonde in einer konventionellen industriellen Umgebung von -20\u2103 bis 70\u2103 befindet, haben Temperaturschwankungen keinen wesentlichen Einfluss auf die endg\u00fcltige Genauigkeit im Millimeterbereich.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 2em;\">\n        <p style=\"margin: 0 0 0.5em 0;\"><strong>F4: Kann ein Ultraschall-F\u00fcllstandstransmitter in druckbeaufschlagten (Drucktanks) oder vakuumdichten Lagertanks eingesetzt werden?<\/strong><\/p>\n        <p style=\"margin: 0;\"><strong>A4:<\/strong> Er kann in Drucktanks verwendet werden, aber keinesfalls in Vakuumtanks. Ultraschall ist eine mechanische Welle und ist auf ein Medium (wie Luft oder Stickstoff) angewiesen, um zu schwingen und sich auszubreiten. Innerhalb eines bestimmten \u00dcberdruckbereichs kann Ultraschall normal funktionieren (Schallwellen breiten sich in dichten Gasen sogar besser aus). Handelt es sich jedoch um einen Beh\u00e4lter mit einem hohen Unterdruck, verlieren die Schallwellen ihr Ausbreitungsmedium, wodurch der Sensor ausf\u00e4llt. F\u00fcr Vakuumtanks m\u00fcssen Sie einen Druck-\/Differenzdruck-F\u00fcllstandstransmitter w\u00e4hlen, um die physikalische Kompression zu messen.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 2em;\">\n        <p style=\"margin: 0 0 0.5em 0;\"><strong>F5: Ist es bei der Messung hochkorrosiver Fl\u00fcssigkeiten wie konzentrierter Schwefels\u00e4ure oder Salzs\u00e4ure besser, einen Druck- oder einen Ultraschalltyp zu w\u00e4hlen?<\/strong><\/p>\n        <p style=\"margin: 0;\"><strong>A5:<\/strong> Es wird dringend empfohlen, einen Ultraschall-F\u00fcllstandstransmitter zu w\u00e4hlen. Druckmessumformer m\u00fcssen eine Metallmembran in das Medium eintauchen. Bei starken S\u00e4uren muss extrem teures Tantal oder Hastelloy-Metall verwendet werden, und auch nach l\u00e4ngerem Eintauchen besteht die Gefahr von Leckagen. Ein Ultraschall-F\u00fcllstandstransmitter verwendet eine ber\u00fchrungslose Montage von oben, und das Sondenmaterial kann vollst\u00e4ndig aus PVDF oder PTFE (Polytetrafluorethylen) bestehen, wodurch es auf physikalischer Ebene vollst\u00e4ndig gegen die Erosion durch hochkorrosive Fl\u00fcssigkeiten isoliert ist. Ihre Lebensdauer ist in der Regel 3 bis 5 Mal l\u00e4nger als die von Kontaktinstrumenten.<\/p>\n    <\/div>\n\n    <div style=\"margin-bottom: 2em;\">\n        <p style=\"margin: 0 0 0.5em 0;\"><strong>F6: M\u00fcssen Ultraschall-F\u00fcllstandmessger\u00e4te im Vergleich zu Druckmessger\u00e4ten h\u00e4ufig t\u00e4glich kalibriert oder gesp\u00fclt werden?<\/strong><\/p>\n        <p style=\"margin: 0;\"><strong>A6:<\/strong> Almost never. Traditional differential pressure transmitters are prone to &#8220;zero drift&#8221; due to the fatigue and metal stress of the mechanical diaphragm, and the impulse lines are easily clogged by impurities, requiring instrument technicians to routinely perform &#8220;purging&#8221; and zero-point calibration. Because the ultrasonic level transmitter has no mechanical moving parts internally (Solid-state) and does not contact the liquid, there are no issues with zero drift or clogging. Utilizing ISSRSensor&#8217;s unique &#8220;pigtail wire teach-in&#8221; function, once the initial installation and setup are complete, it can achieve a long-term, maintenance-free operation that is &#8220;install and forget.&#8221;<\/p>\n    <\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block-heading--v2 stk-block stk-9e6efbf\" id=\"related-products\" data-block-id=\"9e6efbf\"><h4 class=\"stk-block-heading__text\">Verwandte Produkte<\/h4><\/div>\n\n\n\n<div data-wp-context=\"{&quot;notices&quot;:[],&quot;hideNextPreviousButtons&quot;:false,&quot;isDisabledPrevious&quot;:true,&quot;isDisabledNext&quot;:false,&quot;ariaLabelPrevious&quot;:&quot;Vorherige Produkte&quot;,&quot;ariaLabelNext&quot;:&quot;N\\u00e4chste Produkte&quot;,&quot;collection&quot;:&quot;woocommerce\\\/product-collection\\\/hand-picked&quot;}\" data-wp-init=\"callbacks.onRender\" data-wp-interactive=\"woocommerce\/product-collection\" data-wp-router-region=\"wc-product-collection-0\" data-__private-preview-state=\"{&quot;isPreview&quot;:false,&quot;previewMessage&quot;:&quot;Actual products will vary depending on the page being viewed.&quot;}\" data-block-name=\"woocommerce\/product-collection\" data-collection=\"woocommerce\/product-collection\/hand-picked\" data-dimensions=\"{&quot;widthType&quot;:&quot;fill&quot;}\" data-display-layout=\"{&quot;type&quot;:&quot;flex&quot;,&quot;columns&quot;:5,&quot;shrinkColumns&quot;:true}\" data-hide-controls=\"[&quot;inherit&quot;,&quot;hand-picked&quot;,&quot;filterable&quot;,&quot;order&quot;]\" data-query-context-includes=\"[&quot;collection&quot;]\" data-query-id=\"0\" data-query=\"{&quot;perPage&quot;:9,&quot;pages&quot;:0,&quot;offset&quot;:0,&quot;postType&quot;:&quot;product&quot;,&quot;order&quot;:&quot;asc&quot;,&quot;orderBy&quot;:&quot;post__in&quot;,&quot;search&quot;:&quot;&quot;,&quot;exclude&quot;:[],&quot;inherit&quot;:false,&quot;taxQuery&quot;:[],&quot;isProductCollectionBlock&quot;:true,&quot;featured&quot;:false,&quot;woocommerceOnSale&quot;:false,&quot;woocommerceStockStatus&quot;:[&quot;instock&quot;,&quot;outofstock&quot;,&quot;onbackorder&quot;],&quot;woocommerceAttributes&quot;:[],&quot;woocommerceHandPickedProducts&quot;:[&quot;7530&quot;,&quot;3455&quot;,&quot;6608&quot;,&quot;7554&quot;],&quot;filterable&quot;:false,&quot;relatedBy&quot;:{&quot;categories&quot;:true,&quot;tags&quot;:true}}\" data-tag-name=\"div\" class=\"wp-block-woocommerce-product-collection is-layout-flow wp-block-woocommerce-product-collection-is-layout-flow\">\t\t<div data-wp-interactive=\"woocommerce\/store-notices\" class=\"wc-block-components-notices alignwide\">\n\t\t\t<template data-wp-each--notice=\"state.notices\" data-wp-each-key=\"context.notice.id\">\n\t\t\t\t<div\n\t\t\t\t\tclass=\"wc-block-components-notice-banner\"\n\t\t\t\t\tdata-wp-init=\"callbacks.scrollIntoView\"\n\t\t\t\t\tdata-wp-class--is-error=\"state.isError\"\n\t\t\t\t\tdata-wp-class--is-success=\"state.isSuccess\"\n\t\t\t\t\tdata-wp-class--is-info=\"state.isInfo\"\n\t\t\t\t\tdata-wp-class--is-dismissible=\"context.notice.dismissible\"\n\t\t\t\t\tdata-wp-bind--role=\"state.role\"\n\t\t\t\t\tdata-wp-watch=\"callbacks.injectIcon\"\n\t\t\t\t>\n\t\t\t\t\t<div class=\"wc-block-components-notice-banner__content\">\n\t\t\t\t\t\t<span data-wp-init=\"callbacks.renderNoticeContent\" aria-live=\"assertive\" aria-atomic=\"true\"><\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<button\n\t\t\t\t\t\tdata-wp-bind--hidden=\"!context.notice.dismissible\"\n\t\t\t\t\t\tclass=\"wc-block-components-button wp-element-button wc-block-components-notice-banner__dismiss contained\"\n\t\t\t\t\t\taria-label=\"Diesen Hinweis verwerfen\"\n\t\t\t\t\t\tdata-wp-on--click=\"actions.removeNotice\" data-no-translation-aria-label=\"\"\n\t\t\t\t\t>\n\t\t\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\">\n\t\t\t\t\t\t\t<path d=\"M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z\" \/>\n\t\t\t\t\t\t<\/svg>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/template>\n\t\t<\/div>\n\t\t<ul data-block-name=\"woocommerce\/product-template\" class=\"wc-block-product-template__responsive columns-5 wc-block-product-template wp-block-woocommerce-product-template is-layout-flow wp-block-woocommerce-product-template-is-layout-flow\" data-wp-on--scroll=\"actions.watchScroll\" data-wp-init=\"callbacks.initResizeObserver\"><li class=\"wc-block-product post-7530 product type-product status-publish has-post-thumbnail product_cat-ultrasonic-distance-sensors product_cat-ultrasonic-sensors first instock featured shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='{\"productId\":7530}'\n\t\t\t\tdata-wp-key=\"product-item-7530\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/issrsensor.com\/de\/products\/anti-corrosion-ultrasonic-level-sensor-isub450\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/ISUB450-30GK85-R2T-V1C-RN-1-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"ISUB450-30GK85-R2T-V1C-RN-1\" data-testid=\"product-image\" data-image-id=\"7523\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/ISUB450-30GK85-R2T-V1C-RN-1-300x300.png 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/ISUB450-30GK85-R2T-V1C-RN-1-150x150.png 150w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/ISUB450-30GK85-R2T-V1C-RN-1-500x500.png 500w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/03\/ISUB450-30GK85-R2T-V1C-RN-1-100x100.png 100w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"line-height:1.4; margin-bottom:0.75rem;margin-top:0;\" class=\"has-text-align-center wp-block-post-title has-small-font-size\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/issrsensor.com\/de\/products\/anti-corrosion-ultrasonic-level-sensor-isub450\/\" target=\"_self\" >ISSRSensor 450mm Anti-Korrosions-Ultraschall-F\u00fcllstandssensor mit RS232-Ausgang f\u00fcr Nass-Trocken-Dosierer &amp; korrosive Tanks<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-3455 product type-product status-publish has-post-thumbnail product_cat-ultrasonic-distance-sensors product_cat-ultrasonic-sensors  instock featured shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='{\"productId\":3455}'\n\t\t\t\tdata-wp-key=\"product-item-3455\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/issrsensor.com\/de\/products\/issr-6m-ultrasonic-level-sensormulti-output-analog-switching-digital\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB6000-30GM85-1-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"6M Vollst\u00e4ndig integrierter Ultraschall-Entfernungssensor-1\" data-testid=\"product-image\" data-image-id=\"4323\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB6000-30GM85-1-300x300.png 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB6000-30GM85-1-150x150.png 150w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB6000-30GM85-1-768x768.png 768w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB6000-30GM85-1-500x500.png 500w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB6000-30GM85-1-100x100.png 100w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/10\/ISUB6000-30GM85-1.png 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"line-height:1.4; margin-bottom:0.75rem;margin-top:0;\" class=\"has-text-align-center wp-block-post-title has-small-font-size\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/issrsensor.com\/de\/products\/issr-6m-ultrasonic-level-sensormulti-output-analog-switching-digital\/\" target=\"_self\" >ISSRSensor 6M Ultraschall-F\u00fcllstandssensor mit mehreren Ausg\u00e4ngen analog\/schaltend\/digital<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-6608 product type-product status-publish has-post-thumbnail product_cat-ultrasonic-distance-sensors product_cat-ultrasonic-sensors  instock featured shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='{\"productId\":6608}'\n\t\t\t\tdata-wp-key=\"product-item-6608\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/issrsensor.com\/de\/products\/issr-all-in-one-ultrasonic-sensor-1m-range-level-object-detect\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/1-meter-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB1000-18GM75-01-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Voll integrierter 1-Meter-200kHz-Ultraschall-Entfernungsmesser - ISUB1000-18GM75-01\" data-testid=\"product-image\" data-image-id=\"6609\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/1-meter-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB1000-18GM75-01-300x300.png 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/1-meter-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB1000-18GM75-01-150x150.png 150w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/1-meter-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB1000-18GM75-01-500x500.png 500w, https:\/\/issrsensor.com\/wp-content\/uploads\/2025\/12\/1-meter-200kHz-fully-integrated-ultrasonic-ranging-sensor-ISUB1000-18GM75-01-100x100.png 100w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"line-height:1.4; margin-bottom:0.75rem;margin-top:0;\" class=\"has-text-align-center wp-block-post-title has-small-font-size\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/issrsensor.com\/de\/products\/issr-all-in-one-ultrasonic-sensor-1m-range-level-object-detect\/\" target=\"_self\" >ISSRSensor All-in-One-Ultraschallsensor: 1m Reichweite F\u00fcllstand &amp; Objekterkennung<\/a><\/h2>\n\n\t\t\t\t<\/li><li class=\"wc-block-product post-7554 product type-product status-publish has-post-thumbnail product_cat-high-frequency-ultrasonic-transducer product_cat-ultrasonic-transducers last instock featured shipping-taxable product-type-simple\"\n\t\t\t\t\t\n\t\t\t\tdata-wp-interactive=\"woocommerce\/product-collection\"\n\t\t\t\tdata-wp-context='{\"productId\":7554}'\n\t\t\t\tdata-wp-key=\"product-item-7554\"\n\t\t\t\n\t\t\t\t>\n\t\t\t\t\t\n<div data-block-name=\"woocommerce\/product-image\" data-image-sizing=\"thumbnail\" data-is-descendent-of-query-loop=\"true\" data-show-sale-badge=\"false\" class=\"wc-block-components-product-image wc-block-grid__product-image wc-block-components-product-image--aspect-ratio-auto wp-block-woocommerce-product-image\"><a href=\"https:\/\/issrsensor.com\/de\/products\/112khz-anti-corrosion-ultrasonic-level-transducer\/\" style=\"\" data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/04\/ISU112-28TRBJ-T1-1-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"ISU112-28TRBJ-T1-1\" data-testid=\"product-image\" data-image-id=\"7549\" style=\"object-fit:cover;\" loading=\"lazy\" srcset=\"https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/04\/ISU112-28TRBJ-T1-1-300x300.png 300w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/04\/ISU112-28TRBJ-T1-1-150x150.png 150w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/04\/ISU112-28TRBJ-T1-1-500x500.png 500w, https:\/\/issrsensor.com\/wp-content\/uploads\/2026\/04\/ISU112-28TRBJ-T1-1-100x100.png 100w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><div class=\"wc-block-components-product-image__inner-container\">\n\n<\/div><\/a><\/div>\n\n<h2 style=\"line-height:1.4; margin-bottom:0.75rem;margin-top:0;\" class=\"has-text-align-center wp-block-post-title has-small-font-size\"><a data-wp-on--click=\"woocommerce\/product-collection::actions.viewProduct\" href=\"https:\/\/issrsensor.com\/de\/products\/112khz-anti-corrosion-ultrasonic-level-transducer\/\" target=\"_self\" >ISSRSensor 112 kHz Korrosionsbest\u00e4ndiger Ultraschallwandler f\u00fcr die F\u00fcllstandserfassung und -messung von Fl\u00fcssigkeiten und Feststoffen<\/a><\/h2>\n\n\t\t\t\t<\/li><\/ul><\/div>\n\n\n<div data-block=\"hook:7173\" 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