Humidity and Moisture Sensing Reference Materials
Reference Articles 1 - 100 of 177
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Application Note: Measuring Moisture (dewpoint) in Compressed Air Applications
From: Alpha Moisture SystemsDescription: In most manufacturing facilities, compressed air serves a multitude of applications,such as powering air tools, operating pneumatic cylinders for automation, cooling components, driving valves and ...
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Application Note: Effective Moisture (Dewpoint) Monitoring in Nitrogen Generation Processes
From: Alpha Moisture SystemsDescription: In the field of industrial processes, nitrogen generation plays a critical role in a wide range of applications, such as chemical manufacturing, pharmaceuticals, electronics, food packaging, and many ...
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Application Note: Measuring Trace Moisture (dewpoint) in Hydrogen
From: Alpha Moisture SystemsDescription: In various industrial processes, the precise measurement of moisture content is of paramount importance to ensure product quality, safety, and operational efficiency. This holds particularly true in ...
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Application Note: Panametrics Solves Visbreaker Unit Heavy Residue Measurement
From: PanametricsDescription: A very well-known European refinery was looking for a way to improve the performance and reliability of the furnace feed measurement points of its Visbreaker unit. This process unit thermally cracks ...
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Four Reasons to Choose The Best Temperature And Humidity Sensor
Description: The AHT20 Sensor is an excellent option if you're looking for a sensor that can accurately measure temperature and humidity levels. It not only has a broad range of compatibility but also a ...
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HVAC-Ready AHT20 Temperature And Humidity Sensor
Description: The electronic homes of today are evolving into smart homes. This includes HVAC systems and other home appliances that must have the best temperature and humidity sensors put in them. We have posted ...
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White Paper: An Automated High Precision Saturation/Dilution Calibration System for Trace Moisture Sensors
From: PanametricsDescription: The paper discusses the physical construction and operating principles of this saturation/dilution type calibration system for water vapor in a nitrogen carrier gas used for the purpose of trace ...
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Moisture Measurement and Carbon Capture
Description: Preventing corrosion and compressor damage in CCUS ...
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Moisture Measurement for Hydrogen and Natural Gas Blending
Description: Michell Instruments: supporting the roll-out of net zero technologies ...
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Moisture Measurement for Natural Gas Liquid Extraction
Description: Plant Protection, Energy Efficiency and Cost Savings ...
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Moisture Sensor Calibration in Compressed Air and Gas Generation Systems
Description: The subject of dew-point sensor calibration may not set the pulses racing ...? but ignore it at your peril!? ...
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Precise Measurement of Moisture in Natural Gas
Description: Due to variations in natural-gas compositions or impurities, precision in moisture measurement was impossible to achieve - until recently. ...
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Protecting Supply Lines, From Liquification to Regasification
Description: Liquified Natural Gas (LNG) is an increasingly important global source of energy. The market analysts Research and Markets predict that annual demand will grow by almost 9 % CAGR to ...
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ISO 8573-1 Moisture Measurement in Compressed Air
Description: Moisture content and what it means for compressed air quality ...
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Measuring Moisture in Medical Gases
Description: Why does moisture in medical gases matter? ...
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Precise Measurement in Moisture in Natural Gas
Description: Due to variations in natural-gas compositions or impurities, precision in moisture measurement was impossible to achieve - until recently. ...
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Sensors for Industrial Compressed Air Systems
Description: Improve compressor efficiency and reduce energy cost ...
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Water Activity (aw) Measurement for Product Quality and Shelf-Life
Description: A guide to water activity in moisture-sensitive products ...
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Moisture in Hog Fuel
From: KPM AnalyticsDescription: Control of clay powder moisture is paramount to the production of quality floor and wall tiles of consistent dimension. Too high moisture results in a badly formed, flexible tile in the dry press, and ...
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Tobacco Leaf Processing Moisture Measurement & Control
From: KPM AnalyticsDescription: 7.5 million of metric tons of tobacco are grown globally and are are used to produce 5.5 trillion cigarettes. As a highly valued crop, many steps are required to take tobacco leaf harvested from the ...
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How Environmental Conditions Affect Engine Emissions Testing
Description: Accurate reporting of ambient conditions is essential during powertrain emissions testing. The interrelated variables of temperature, pressure and humidity affect different aspects of engine ...
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A Faster, Simpler Method for Cookie Manufacturers to Analyze Water Absorption in Flour
From: KPM AnalyticsDescription: Unlike many aisles in the supermarket, the cookie aisle is often the store’s loudest display of packaging and graphics showcasing different flavor varieties, shapes, and many other ...
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How to Ensure the Purity of Synthetic Diamonds Created by Chemical Vapor Deposition
Description: Synthetic diamonds are created and used all over the world, for similar applications as naturally occurring diamonds. Recently, the method of using chemical vapor deposition (CVD) to ...
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How to Measure Dew Point in Ultra-high-pressure Gas
Description: Why is it important to monitor the dew point of air or other gases under pressure? ...
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Improve Sand Drying Efficiencies & Save Energy Costs with NIR Technology
From: KPM AnalyticsDescription: As the global population continues to grow, so does the demand for new and modern infrastructures. From the building of new homes, factories, and warehouses, to the development or repair of roadways ...
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Why Accurate Moisture Measurement is Essential for the Quality of Polyethylene Terephthalate (PET)
Description: Polyester polymer chips such as polyethylene terephthalate (PET) are hygroscopic, meaning that they absorb moisture from their surrounding atmosphere. Too much moisture in the chips causes issues ...
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How to Measure Dew Point in Ultra High Pressure Gas?
Description: As explained in a previous Blog-Post , all forms of life depend on water. Water activity indicates the amount of water which is biologically available to microorganisms. Each species of microorganism ...
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AW Measurements in the Handling of Seeds
Description: When we think about forest conservation, one of the first thoughts that come to mind is avoiding damage. Such as the damage caused by roads, electrical lines, mines or littering. However, forests must ...
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Why is Moisture Measurement Critical in Lithium-ion Battery Manufacture?
Description: Cleanliness is essential to the production process of Lithium-ion batteries, particularly for the anode and cathode coating, which needs to be carried out in two separate clean rooms as the materials ...
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Gas Storage: Reduce Risks and Cut Costs with Optical Moisture Detection
Description: Recent steep rises in European gas prices have been driven by increased demand together with reduced levels of supply. Despite of the push towards renewables, natural gas remains an attractive fuel ...
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Take the "Dry" Road - Prevent Condensation in your NEMA 4 Enclosure
From: STEGODescription: When it comes to designing enclosures that contain electronics for maximum longevity, many factors must be considered, including geographic location, temperature, moisture exposure, and the risk of ...
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Useful Dew Point Conversion Tables you can Download and Use
Description: Pressure dew point (PDP) is a measure of humidity where the gas is under pressure – for example in a compressed air system. If the pressure of the gas increases, the dew-point temperature also ...
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How to Calculate Pressure Dew Points (PDP) Accurately?
Description: Avoiding condensation is vital for many processes. It can damage equipment, make its way into sensitive processes, shorten the life of air-driven tools or reduce product quality. Many applications use ...
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How Does a Humidity Sensor Work?
From: Servoflo CorporationDescription: Humidity refers to the amount of water vapor present in the surrounding air. Humidity sensors are devices that measure moisture and air temperature in an environment and convert the data into a ...
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Trace Impurities in Ultra-High-Purity and Specialty Gases
Description: Many applications require very high purity, inert gases to blanket hazardous chemicals or as protective atmospheres. The electronics and semiconductor industries use ultra-high purity specialty gases ...
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What Equipment do you Need for Reliable Humidity Calibrations?
Description: If you regularly use a large quantity of humidity probes, relative humidity transmitters or hand-held humidity meters calibrating these in-house may save both time and money. Making the first step to ...
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Humidity Academy Theory 8 - Chilled Mirror and Aluminum Oxide Technology
Description: A chilled mirror or condensation hygrometer is a technology used to directly measure the dew or frost point of a gas. If the temperature of a mirror is lowered to precisely the value that makes dew ...
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Humidity Academy Theory 7 - The Wet Bulb/Dry Bulb Technology
Description: Wet- and dry-bulb temperature measurement is a commonly used and widely accepted technique for controlling relative humidity in environmental chambers. ASTM standard E 337-02 (2007) reviews in great ...
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Humidity Academy Theory 6 - The Capacitive Sensor
Description: As explained in a previous Blog-Post , all forms of life depend on water. Water activity indicates the amount of water which is biologically available to microorganisms. Each species of microorganism ...
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Humidity Academy Theory 5 - Effect of Temperature and Pressure on % rh
Description: Saturation vapor pressure depends only on temperature. There is no effect of total pressure, and there is no difference between the situation in an open space and that in a closed container. In an ...
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Humidity Academy Theory 4 - Definitions of Humidity: Vapor Concentration
Description: The vapor concentration or absolute humidity of a mixture of water vapor and dry air is defined as the ratio of the mass of water vapor Mw to the volume V occupied by the mixture. The volume mixing ...
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LabMill Wheat Tempering Procedure - Part 2
From: KPM AnalyticsDescription: Experimental milling is a critical point for wheat quality control and R&D laboratories. However, there is always a competition between best practices and the necessity to obtain fast results in a ...
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Humidity Academy Theory 3 - Humidity and Vapor Pressure
Description: Water vapor is one of several gases that makes up air. For example if the total pressure of a system such as air at sea level is 101.3 kPa (or 29.9 inches of mercury), and that air is made up of ...
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Humidity Academy Theory 2 - Relative Humidity, Pressure and Temperature
Description: Reviewing the laws of physics that govern water vapor in a moist gas can help you better understand the properties of what you're measuring. Understanding these properties will help you make a more ...
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Humidity Academy Theory 1 - What is Humidity?
Description: Humidity is measured using a hygrometer, a tool that utilizes various materials and measurements to gauge a room or space's level of water vapor. While no scientific measurement is absolutely true, ...
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Importance of Water Activity (aw) Measurement
Description: Water Activity (aw) Measurement- Why is it important? ...
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Water Activity (aw) Measurement - Some Theory Basics
Description: The measurement of water activity (aw) or equilibrium relative humidity (ERH) is a crucial parameter in the quality control of moisture-sensitive products and materials. Water activity is defined as ...
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Overcoming the Challenge of Meeting Strict Customer Standards in Potato Processing
From: KPM AnalyticsDescription: Lamb Weston relies on Unity Scientific® NIR analyzers for rapid quality control. Lamb Weston is the world’s largest producer of fries and frozen potato products. From fast food conglomerates ...
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Quality Control in a Cereal Plant
From: KPM AnalyticsDescription: The breakfast cereal market is highly competitive markets where brand loyalty and consistent product quality can result in increasing market share and concomitant production and distribution ...
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Controlling Moisture in Commercial Steam Ovens with Temperature-Resistant Zirconium Dioxide Oxygen Sensors
Description: In commercial baking ovens, the use of steam has many advantages and in some cases is critical to the production of consistent quality product. Lately the reduction in production costs of steam ovens ...
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Humidity Academy Theory 9 - Choosing the Right Humidity Measurement Technology
Description: Considering the wide variety of environmental variables that influence water vapor and affect measurement, it’s important to know precisely which type of instrument and technology will enable ...
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Use of Chilled Mirror Hygrometers as Reference Instruments in Calibration Laboratories
Description: For large pharmaceutical manufacturing plants, power plants and other industrial/process plants which operate large quantities of dew point sensors, it is usually more cost-effective to calibrate ...
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How Accurate is your Dew-point Transmitter?
Description: For many industrial trace moisture measurements, dew-point transmitters are the ideal choice. They are low cost, easy to install and robust enough to withstand the tough environments. This includes ...
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How to Install a Dew-point Transmitter for Best Accuracy
Description: Unlike moisture content (measured in parts per million) the water dew point temperature of a gas is a relationship between the moisture content, the temperature and pressure of the gas. Installing the ...
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Six Reasons to Consider Ceramic Metal Oxide Moisture Sensors for Your Process
Description: Metal oxide moisture sensors have been on the market for years. Since their introduction in the 1960s, there have been many developments in trace moisture sensing technologies for industrial ...
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LabMill Wheat Tempering Procedure - Part 1
From: KPM AnalyticsDescription: Impact of the wheat tempering procedure on the grain behavior during milling and on the flour quality at the laboratory ...
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Humidity Definitions
Description: John Dalton was first to surmise that the total pressure (Pm) exerted by a mixture of gases or vapors is the sum of the pressures of each gas if it were to occupy the same volume by itself. The ...
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SUCCESS STORY: Measure Moisture in Pigments for Paints and Plastics with Panametrics
From: PanametricsDescription: In the past, complex laboratory assessments had been used to measure the moisture content in the pigments. This method would require grab sampling and time to process the samples at the laboratory, ...
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Non-Porous Dehumidifying Membranes Easily Remove Moisture from Compressed Air Lines
Description: Non-porous water-selective membranes provide rapid dehumidifying of pneumatic air lines to improve the performance of the system and protect it from moisture corrosion. ...
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The Simple Truth about Karl Fischer Moisture
Description: The Karl Fischer method is a titration of Sulfur Dioxide, Iodine and Pyridine that uses up water. From its inception in 1925, Karl Fischer Titration has become an ever increasing solution to tough ...
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The Six Most Important Things to Consider When Selecting an In-line Liquid Measurement Device for Pharmaceutical Drug Manufacturing
From: VaisalaDescription: Pharmaceutical and medicine manufacturing are among the most regulated industries with pharmacovigilance or in short drug safety, quality and efficacy tightly in mind. The whole process from creating ...
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Using the DPS Series Heated Dew Point/ Humidity Hygrometer
Description: The DPS series of heated chilled mirror hygrometers are designed to extract a gas sample from a heated process and measure its dew point. The DPS is designed to measure dew point in the range of +95°C ...
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How Dewpoint is Affected by Pressure & Equivalent Dewpoints at Various Pressure
Description: Dewpoint is a measurement of water vapor concentration. ...
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More Than Just A Climate Sensor
From: STEGODescription: The new Smart Sensor CSS 014 is not only a climate or temperature/humidity sensor, it also combines three functions in one: sensor, interface and transmitter. At the heart of the device is a ...
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Application Note Humidity Modules HYT
Description: The module is precisely calibrated by the manufacturer and is therefore fully interchangeable without adjustment. Both the linearity error as well as temperature drift are corrected "on-chip" through ...
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How to Select a Humidity Sensor
From: Servoflo CorporationDescription: Humidity sensors are an important piece of equipment in the medical, automotive, HVAC, and food production industries, among others. Any industrial facility that requires a controlled atmosphere ...
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Humidity Sensors: Capacitive vs. Resistive
From: Servoflo CorporationDescription: Servoflo distributes a variety of capacitive and resistive humidity sensors for medical, HVAC, instrumentation, critical containment and other applications. Some situations need precise and highly ...
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The Importance of Humidity Sensors
From: VaisalaDescription: Humidity sensors are among the most commonly used instruments in environmental monitoring applications. Why? Because they are one of the most important measurements to get right when looking to create ...
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Why Humidity Measurement is Essential to the Success of an Industrial Process
From: Servoflo CorporationDescription: Moisture, whether in liquid or gaseous form, is one of several process variables that industry professionals must measure, monitor, and control. In industrial applications, moisture levels-i.e., ...
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How to Select the Right Humidity Instrument for Your High-humidity Application
From: VaisalaDescription: High-humidity environments are tough for humidity measurement. Saturation in the environment causes condensation to form on all surfaces including measurement sensors, which can be fatal for some ...
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Maximizing the Efficiency and Lifetime of Fuel Cells with Optimum Humidification
From: VaisalaDescription: The applications where fuel cell technology is used can be divided into three main categories: portable power generation (for mobile devices and portable auxiliary power), stationary power generation ...
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How Dewpoint is Affected by Pressure
Description: Dewpoint is a measurement of water vapor concentration. Water vapor, or more simply "moisture", can be a major contaminant in process gases ranging from compressed air, to purified cylinder gases, to ...
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Real-Time Shipment Tracking with New Temperature & Humidity Logger
From: CAS DataLoggersDescription: CAS Dataloggers is pleased to announce the availability of the Piura series of temperature and humidity transit data loggers manufactured by Cydiance. ...
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Surface Tension a Definition - Rings, Bubbles, Drops & Plates
Description: However, the measurement of surface tension can take many forms, which can be confusing. In an attempt to get some clarity, we have articulated two principle measurement concepts in this article: ...
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Measuring Soil Moisture to Maximize Plant Growth
From: CAS DataLoggersDescription: Measuring soil moisture is done accurately with the ADU-500, offering reliable measurements to ensure crop quality and maximize plant growth. ...
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High Voltage Switchgear, Sulfur Hexafluoride & Moisture Issues
From: The Kahn CompaniesDescription: Moisture in Sulfur Hexafluoride (SF6) an insulating gas can cause rapid and severe deterioration of high-voltage switchgear. During electrical power distribution at transmission voltages (ranging ...
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What does a Moisture Balance Cost?
Description: Determining the specs, and finding the cost of the best LOD Moisture Balance for your application can be frustrating, confusing and time consuming. There are more than 20 manufacturers of LOD moisture ...
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How to Select the Right Water Level Data Logger
From: CAS DataLoggersDescription: Water level measurements are quickly becoming one of the more common data logging applications. Driving this need are several industries and market segments including environmental regulation, ...
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How to Select the Right Water Level Data Logger
From: CAS DataLoggersDescription: and more. We at CAS DataLoggers will show you how to Select the Right Water Level Data Logger. If you're a technician, engineer or purchasing agent, you may have an application requiring you to ...
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Four Reasons Why Food Manufacturers Should Monitor Moisture
Description: Moisture content is a critical factor to consider in the food industry. The amount of water in a product affects the product's texture, shelf life, ease of processing, and cost to produce. Snack ...
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How Long Does a Water Activity Test Take?
Description: Some water activity meters promise a test completed in five minutes. "Five minutes" is an average time that suits many applications. Many - not all. ...
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How to Fight Mold Growth in Your Building
From: CAS DataLoggersDescription: Mold - a common type of fungi - can take hold in any humid area such as around windows, leaky pipes, carpeting, or saturated areas like wet basements. Once mold enters your building, it can quickly ...
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How to design-in a humidity and temperature sensor
From: SensirionDescription: The accuracy of a measurement does not just depend on the sensor accuracy itself but also on the set up of the sensing system. The SHTxx sensors sample relative humidity and temperature of their ...
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Why Should You Measure Viscosity?
Description: Viscosity is the measure of a substance's resistance to motion under an applied force. Are you working with Newtonian or Non-Newtonian Fluids? From adhesives to paint and food to petroleum - viscosity ...
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Application Note: Sensors in Sleep Apnea Machines
From: Honeywell Sensing & IoTDescription: Sleep apnea is the repeated cessation of breathing during sleep, sometimes hundreds of times during the night and often for a minute or longer. If left untreated, sleep apnea can cause high blood ...
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Basic Humidity Definitions
Description: The concept of Dalton's law is often overlooked in considering problems in humidity measurement, because one forgets that the "water" in a gas is actually a gas itself and must be treated in ...
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Rotronic - Ceramic Drying
Description: The word ceramic comes from the ancient Greek word Keramos which was the description for pottery made of burned clay mineral. The oldest ceramic object discovered is the statue of "Venus of Dolní ...
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Rotronic - Freeze Drying
Description: The freeze drying process can be traced back to prehistoric times. Back in the 15th century, freeze drying was used by the Incas. They stored their crops on the mountain heights above Machu Picchu ...
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Rotronic - Humidity and Tobacco Drying
Description: Tobacco is a plant that grows natively in North and South America. Records indicate tobacco was cultivated as early as 1 B.C. by the Native Americans. China's tobacco market, which is the largest in ...
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Rotronic - Humidity in Clean Rooms
Description: A clean room is a manufacturing environment that has a low level of environmental pollutants such as dust, airborne microbes, aerosol particles and chemical vapors. The air inside is constantly ...
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Rotronic - Humidity in Drying Lumber
Description: Wood is one of the oldest building materials on the planet. Before wood can be used as a construction material whether it be a structural support in a building or to manufacture furniture, it has to ...
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Rotronic - Humidity in H2O2
Description: Sterilization methods used around the world are changing. Hot steam morpholine or formaldehyde processes are being replaced by hydrogen peroxide sterilization techniques. New methods such as the Dry ...
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Rotronic - Humidity in the Lab
Description: A laboratory is a facility or workplace that provides controlled conditions in which scientific research, experiments, and measurement may be performed. In contrast to the office, the work in a lab is ...
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Rotronic - Humidity in Transportation
Description: One key reason for the success and wealth of some nations in the modern world is their ability to produce unique goods better than any other nation or region. Towns, regions or even entire countries ...
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Rotronic - Incubators and Humidity
Description: In order for life to flourish, all organisms require a certain level of moisture, oxygen, sunshine and CO2 . Plant life requires a certain soil quality to ensure successful growth rates. Each and ...
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Rotronic - Meteorology
Description: What is the weather going to be like tomorrow? For a long time, people have tried to predict weather conditions using the hydrologic climate cycle. In the early 1920's scientists were able to compile ...
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Rotronic - Milk Powder Production
Description: Powdered milk or dried milk is a manufactured dairy product made by dehydrating liquid milk through several drying processes until it is a powder.. One purpose of drying milk is to preserve it; milk ...
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Rotronic - Paper Manufacturing
Description: The ancestor of the pulp paper making process that is used today is considered to be developed by a Chinese man named Tsai-Lun during the early 2nd Century. Paper and similar products like cardboard ...
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Rotronic - Pasta Drying
Description: Pasta is a type of noodle and is a staple ingredient of traditional Italian cuisine, with the first reference dating to 1154. The word "Pasta"? is commonly used to refer to the variety of pasta ...
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Rotronic - Seed Storage
Description: Around 10,000 years ago as humans began to shift over from a hunting and gathering culture to a farming culture, preserving and storing seeds became a very important aspect of, not only survival, but ...
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