Humidity and Moisture Sensing Reference Materials

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 ...

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 ...

Description: A container is a protective housing for safe transportation and storage of goods. Safe means, in this context, the characteristics of the containers content remain unchanged under all relevant ...

Description: In the days when cave men ruled the world, people were dressing with animal fur to protect themselves from the elements. Today we are far beyond that point and a wide range of natural as well as ...

Description: Ventilating is the process of changing or replacing air in any space to provide high indoor air quality. In order to maintain an office building within the comfort zone, or to maintain any application ...

Description: Most of us have a never ending choice of the most delicious breads, cakes and pastries to please both the palate and the eyes. We have become very used to this diverse range of bread and baked ...

Description: Key factors for energy efficiency in indoor applications are the control of relative humidity (RH) and temperature levels. The question is how to achieve acceptable RH levels in an energy efficient ...

Description: Swimming pools are used for a variety of applications including recreational use for kids and adults, competitive swimming and also therapeutic use for faster recovery from injuries. Pools and ...

Description: Over the years there has been a rapid increase in large stand-alone data centers housing computer systems, hosting cloud computing servers and supporting telecommunications equipment. These data ...

Description: Each and every one of us knows what a tire is: a rubber tube, placed around the wheel of most vehicles that are commercially available today. ...

Description: Archives are an accumulation of historical documents collected over the course of the lifetime of an organization. National archives have the role of collecting, cataloguing and securing historical & ...

Description: There are many factors that are in play for the number of sensors required. It would be nice if there was a simple formula such as one sensor per square foot or per square meter. A formula sometimes ...

Description: You need a mapping strategy for several reasons. One, it's important for any regulators or approvers to understand the philosophy employed for the mapping. A documented strategy will decrease ...

Description: Mapping is the process of determining the temperature and humidity gradients within a controlled space. It is a critical process when the product is regulated by government agencies such as the US ...

Description: There are several guidelines from a myriad of agencies around the world. This table lists several agencies and related documents pertaining to the pharmaceutical industry in North America. ...

Description: Optical (chilled mirror) is the most-widely used technology for calibration of dewpoint and relative humidity sensors and transmitters. Optical (chilled mirror) hygrometers are also used in ...

Description: Moisture is not only a process variable to be measured in industrial applications, but also a common contaminant which must be controlled. ...

Description: Sulphur hexafluoride, SF6, is a non-toxic, inert, insulating and cooling gas of high dielectric strength and thermal stability. Due to its high dielectric strength, it is particularly suited for ...

Description: In spite of the headline, it is difficult to pin point the one single most common mistake. Most of the Mapping Matters e-newsletters discuss the mapping process and are not focusing on what not to do. ...

Description: Comparing long term performance of RH measurement instruments involves more than simply comparing the humidity sensor accuracy specifications listed on the datasheets. The Accuracy specification ...

Description: Read this Rotronic Technical Note and get answers to these common questions about dew point temperature. ...

Description: One may ask, why should we bother to learn how to read a psychrometric chart? After all, we have myriad online calculators, tables, smart phone apps, etc. Most of our instruments perform the ...

Description: This easy-to-read 3 page technical note defines 7 essential humidity parameters that should be fully understood by anyone who measures humidity in a controlled environment. The first step in making a ...

Description: The parameters you choose to map will depend upon your particular situation. Typical parameters for mapping are temperature, humidity, pressure, light and vibration. You must first determine the ...

Description: The humidity sensor is a small capacitor consisting of a hygroscopic dielectric material placed between a pair of electrodes. Most capacitive sensors use a plastic or polymer as the dielectric ...

Description: Do you work in the printing industry? If so, you should take a proactive approach towards monitoring the humidity levels in your workplace. Allowing airborne water vapor (or lack thereof) to remain ...

Description: Workplaces and other indoor environments with a low relative humidity (RH) are prone to a scientific phenomenon known as electrostatic discharge (ESD). ESD is defined as the sudden flow of electricity ...

Description: Nitrogen is the standard medium for contamination-free storage because it is relatively inert-it neither reacts with stored materials nor carries moisture-and because it can be isolated and purified ...

Description: CAS DataLoggers recently provided a clinic's operating room with a wireless Accsense temperature and humidity monitoring system. Surgical staff frequently complain about it 'raining' in their OR, ...

Description: CAS DataLoggers recently delivered the datalogging solution for a production plant whose process machinery was mysteriously slowing down and causing production delays. This application required a ...

Description: The final installment of this 3-part whitepaper series reviews best practices for relative humidity sensor selection. ...

Description: This whitepaper discusses the health & safety concerns caused by improperly monitoring building humidity levels. ...

Description: This three part whitepaper series discusses the importance of measuring building humidity levels as it relates to various real world scenarios, health & safety concerns, cost savings, mold prevention, ...

Description: Drying is a critical stage in ceramic manufacture, according to ceramic experts. The drying process sometimes places more stress on the ceramic pieces than during firing because the drying needs to be ...

Description: CAS DataLoggers recently provided the environmental monitoring solution for a homeowner who wanted to check the climate control system installed in his 2-room wine cellar. Accurate temperature ...

Description: CAS Data Loggers recently provided the environmental data logging solution for a small greenhouse currently cultivating several species of herbs for sale. From his own experience, the owner preferred ...

Description: CAS Data Loggers recently provided the environmental datalogger system for a northern state collegiate athletic facility. Administration wanted a temperature and humidity monitoring system for use ...

Description: Recently CAS DataLoggers provided its Accsense VersaLog Temperature Monitoring and Alarming System to a shipper exporting its temperature-sensitive fruit and vegetables to remote markets. Therefore, ...

Description: The purpose of storage is to create the external conditions which are necessary to control the ripening cycle of the cheese as far as possible. For every type of cheese, a specific combination of ...

Description: Wind farms can extend over kilometres of land or offshore areas where the climate and the wind speed can vary substantially, especially in hilly areas. Positioning towers only slightly to the left or ...

Description: Pharmaceutical and Biotechnology companies are under a great deal of pressure to comply with regulatory requirements from the inception of a product to its final destination. These regulations are in ...

Description: High purity gases are used across an enormous range of applications, from carbon dioxide used as a refrigerant gas, to argon used in the production of silicon wafers for the electronics industry. ...

Description: For large pharmaceutical manufacturing plants, power plants, and other industrial/process plants which use large quantities of dew point sensors, it is usually more cost effective to calibrate these ...

Description: Many manufacturing processes and operations require closely controlled dry conditions - for example, semiconductor manufacture, battery manufacture, cold storage facilities and pharmaceutical ...

Description: CAS DataLoggers recently provided an economical wireless monitoring system for a government organization undertaking an environmental project measuring the moisture content of peat moss soil. The ...

Description: CAS DataLoggers recently provided the wireless datalogging solution for a customer who needed to monitor replacement engines for temperature and humidity in storage. Whenever they were discovered to ...

Description: 1:07 PM CAS DataLoggers supplied the monitoring and alarming solution for a library's basement record storage area that required a wireless datalogger to detect when water leaked in during seasonal ...

Description: CAS DataLoggers recently provided the monitoring and alarming solution for a museum housing fragile paintings and other pieces which needed to be protected against excessive illumination and ...

Description: Charles is an owner and founder of Air and Vacuum Process in Houston, Texas. He began his career in the compressed air and gas industry in 1987, working for the Condit Company in Houston and Corpus ...

Description: This discussion focuses on the design of Temperature Swing Adsorption (TSA) systems applied to dry compressed air and discusses several TSA designs commonly used. ...

Description: PMP Environmental's tapioca starch plant in Sumatra, Indonesia became increasingly concerned about the impact of greenhouse gas emissions and rising energy costs. ...

Description: Most electric utilities and independent power producers use Sulfur Hexafluoride (SF6) as an arc quenching and insulating gas in high voltage circuit breakers and switchgear installed in their ...

Description: A soil moisture characteristic is a relationship between water potential and water content for a soil. Information from a moisture characteristic is frequently used to determine the plant available ...

Description: A moisture release curve, also known as a soil moisture characteristic, relates the water potential of a particular soil to its water content. This information is important for describing water ...

Description: The terms moisture content and water content are often used interchangeably and represent a measure of the quantity of water in a product. Moisture content provides valuable information about yield ...

Description: Since the introduction of the ECH2O soil moisture probe, there has been considerable interest in using them to measure volumetric water content of soil-less media such as potting soils, rockwool, and ...

Description: The terms moisture content and water content are often used interchangeably and represent a measure of the quantity of water in a product. Moisture content provides valuable information about yield ...

Description: All pressure transducers installed on steam lines should be isolated from the steam to protect them from damage. A steam pigtail syphon (such as the MODEL PT) may be used for this purpose. ...

Description: In the energy control business it is usually necessary to monitor humidity, as well as temperature. Sensing humidity cannot be done as easily or as accurately as temperature sensing. For example, a ...

Description: Moisture measurement continues to present designers of instrumentation with interesting challenges. For many years the moisture measurement industry has concerned itself principally with humidity ...

Description: Moisture standards have traditionally been prepared by techniques which saturate the gas at known conditions. Preparing standards at trace concentrations (low ppm, ppb) requires saturation at ...

Description: We are all familiar with the risk and inherent food safety danger associated with having liquid moisture droplets form over food products that are being processed for human consumption. No one would ...

Description: Is it "raining" in your operating rooms? Do you find that there are times throughout the year when the humidity levels are so high in the space that there are droplets of condensate dripping from the ...

Description: The heart of a chilled mirror hygrometer is the sample chamber, through which the gas to be measured flows. The chamber contains a coolable mirror and an optical system that measures the mirror ...