Oxygen Sensors Articles
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How do soil moisture sensors work? What is the difference between a point and profile measurement?
Our goal is to provide you with the tools to make the right decision when it comes to selecting the right soil sensor for your application. We are delving into the most asked question. How do soil moisture sensors work, and what is the difference between a point and profile measurement? Soil moisture sensors measure the water content in the soil and can be used to estimate the amount of stored ...
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miniDOT® Logger Dives Down in Lake Anza
The City of San Francisco is synonymous with iconic landmarks like the Golden Gate Bridge and Alcatraz Island, as well as the surrounding bay. While the bay’s cold waters and brisk currents hardly invite casual swimmers, less than 15 miles due east lies another scenic spot with far friendlier waters. Lake Anza is nestled amid the Berkely Hills in Tilden Regional Park, one of over 70 parks ...
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Application of Zirconia Ceramics
1. Zirconia refractory (1) Zirconia crucible The melting point of zirconia is as high as 2700℃. Even if it is heated to more than 1900℃, it will not react with molten aluminum, iron, nickel, platinum and other metals, silicates and acid slag, so the crucible made of zirconia material can be successful Locally smelt platinum, palladium, ruthenium, cesium and other platinum group noble metals and ...
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Revolutionizing Water Quality Monitoring in Power Plants with DO Sensor - Case Study
Introduction: In the dynamic and demanding environment of power plants, maintaining optimal water quality is crucial. Westech Industrial, in partnership with Mettler Toledo, is at the forefront of this challenge, offering cutting-edge solutions for water quality monitoring. This article delves into how Mettler Toledo's innovative sensor technology is transforming dissolved oxygen (DO) monitoring, ...
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What is a flap gate turnstile and how does it work?
What is a flap gate turnstile and how does it work? What is a flap gate turnstile? A flap gate turnstile is used at security entrances or paid gate entrances in order to detect and allow access to authorized personnel one at a time and deny access to unauthorized personnel. Flap ...
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miniDOTs® Monitor CA Red-Legged Frog Reintroduction
When imagining a rich wilderness, places like Los Angeles seldom come to mind. The Southern California city is now the second-most populous in the United States; but it was not always the urbanized area we picture today. Remnants of untamed areas like Santa Monica Mountains National Recreation Area have been preserved, and dedicated researchers continue to guard the integrity of diverse ...
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How to select the right security turnstile for your project?
Security turnstiles have developed into a significant and efficient entrance control solution for large venues, whether the follow of people is high and safety is of utmost importance. They are designed to prevent crowding and make the passages convenient for everyone. However, there are so many security turnstile gates available, each with a unique set of features and capabilities tailored to a ...
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Different Axess Turnstiles with Different Security Levels
Different Axess Turnstiles with Different Security Levels Different security levels are offered by various axess turnstile models. The correct security entry turnstiles must be chosen based on the application’s unique requirements, such as the desired level of security and the installation’s architectural objectives. To meet the needs of the selected projects, a broad variety of ...
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Differences between the 901 and 905 Headspace Oxygen Analyzers
Often we are asked what the difference in functionality is between the Model 901 Headspace Oxygen Analyzer and the Model 905 Benchtop oxygen analyzer. The internal components are the same - we use the same pump, oxygen sensor, and circuitry in both analyzers. The main difference is the enclosure. For applications where portability is not required, such as stationary sampling in a lab ...
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How Oxygen is Measured in our Analyzers
Quantek’s oxygen analyzers all contain a proprietary electrochemical oxygen sensor. Think of it as a tiny battery, with a tremendously long life time. The sensor itself puts out a very tiny millivolt (mV) signal, which is amplified through our various circuitry, and then converted into the signal on the analyzer’s analog output and LCD. What we like to emphasize is the extended ...
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The Importance of Quality Control in Packaging
Oftentimes we are asked by a food producer or packager why they would need to check their packages for residual oxygen levels. In many cases this may be a startup operation, small food company, or a producer which is new to the world of modified atmosphere packaging. While it might be reasonable to assume that a five or six figure investment in packaging equipment will simply work, packages ...
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miniDOT® Loggers in East Africa’s Mara River
Case Study Description Taking shape from Kenyan tributary streams, the Mara River is a defining feature winding through Eastern Africa’s Serengeti region. Before discharging into Tanzania’s Lake Victoria, the Mara snakes across miles of savannah grasslands, serving as an important source of water for the territory’s diverse wildlife. While lions, zebras or elephants may visit the river for a ...
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3D Metal Printing: Oxygen Analyzers Are Essential
Metal 3D printing, also known as additive manufacturing, provides for the creation of complex metal parts by layering metal powders and, depending on the application, selectively sintering, fusing, or melting the powders using a high-powered laser or electron beam. This process offers numerous advantages over traditional manufacturing methods, including reduced waste, increased design freedom to ...
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How to test an o2 sensor?
1. Circuit detection: Check whether the o2 sensor circuit is connected normally and whether the voltage is stable2. Oxygen concentration detection: use a standard oxygen cylinder or an oxygen analyzer to measure the concentration of oxygen, and compare it with the reading of the oxygen sensor.3. Temperature and humidity detection Ensure that the oxygen sensor is measured under normal temperature ...
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Oxygen Analysis in Metals: Understanding the Key Aspects and Innovations
Introduction to Oxygen Analysis in Metals Oxygen analysis in metals is an integral aspect of metallurgy, playing a pivotal role in determining metal quality and its ensuing applications. Most notably in the formation and control of alphacase oxide layers in titanium component manufacture. This article seeks to delve into the details of oxygen analysis and shed light on the remarkable innovations ...
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Understanding Algal Activity in Oligotrophic Waters
Introduction Dr. Heili Lowman is a post-doctoral scholar and member of PME’s New Researcher Program studying aquatic ecology and biogeochemistry at the University of Nevada at Reno. Dr. Lowman and her colleagues have been monitoring Lake Tahoe since late 2021, and in June of 2023 she traveled to Palma, Spain, to present her recent data to the Association of the Sciences of Limnology and ...
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Measuring Ecosystem Metabolism After Stream Restoration
Measuring Ecosystem Metabolism After Stream Restoration Case Study Description Dams constructed of coarse woody debris (CWD) have long been used as a cost-effective approach for stream restoration efforts. Despite its relative prevalence, little is known about CWD’s long-term ecological impacts and efficiency in reducing erosion. In his doctoral dissertation Samuel Bickley, Ph.D., conducted ...
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Coastal Development’s Impact on Tidal Creeks: An Ecosystem Metabolism Analysis
The steady march of progress looks different to all, but in his doctoral dissertation Sam Bickley, Ph.D., measured the effect that a certain type of progress is having on tidal creeks. Rapid development along coastal areas, particularly residential and suburban expansion, can have significant implications for the surrounding environment. While existing protections and conservation efforts can ...
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The Marvelous Missing miniDOT®
Case Study Description When miniDOTS Go Missing Lake Tegel – or Tegeler See to the local Berliners– is the second largest lake in Berlin. The sprawling lake spans roughly 4.6 square kilometers, encompassing several islands and, until recently, three missing miniDOT® Loggers. The Loggers were deployed in the lake’s waters in 2020 on a monitoring chain, had disappeared without a trace soon after ...
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Common water quality sensors
The role of water quality sensor:Water quality sensor is a device used to measure water quality, usually consisting of multiple sensors and measuring systems. The function of water quality sensor is to detect various substances in water, and convert them into electrical signals, and then through the measurement system for processing and analysis, get the indicators of water quality. Water quality ...
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