PM2.5 sensors play a critical role in monitoring air quality, particularly in environments affected by pollution. Their working principle is rooted in light scattering: particles in the air scatter light, and by measuring the attenuation of this light, the concentration of airborne particles can be calculated. Below, we explore several…
Integrated temperature and humidity sensors of small size and high accuracy are widely applied in cellphones, communication, HVAC, medical care, environment monitoring, home appliances and control panels. Here we ISWeek would like to compare the two best sellers in the market – HTU21D and SHT21- from aspects of their cost efficiency,…
Cigar enthusiasts understand that proper storage conditions are crucial to maintaining the flavor, aroma, and quality of cigars. While the quality of a cigar depends on the tobacco leaves, its preservation method plays an even more significant role. Newly purchased cigars often lack the refined taste that develops over time….
In today’s world, smart home technology is revolutionizing safety and convenience. Gas sensors play a crucial role in protecting households from CO poisoning and combustible gas leaks, offering real-time monitoring and automatic alerts. Why Smart Homes Need CO & Combustible Gas Sensors? Carbon monoxide (CO) and combustible gas leaks pose…
Municipal sewers, sewage conduits, bilge wells, and septic tanks transport both sanitary and industrial wastewater in urban areas. In these relatively sealed spaces, organic and inorganic matter in wastewater is decomposed by microbial action under anaerobic conditions, generating toxic and combustible gases. Without proper management and supervision, these gases can…
With rapid urbanization, utility tunnels play a crucial role in maintaining smooth city operations by consolidating pipelines and reducing construction-related accidents. To ensure safety and efficiency, sensor monitoring systems are deployed throughout utility tunnels to provide real-time data on key parameters. Real-Time Environmental Monitoring Sensors are strategically installed at set…
Beer has been a popular drink among all. Especially in summer, a beer with BBQ can be the best refreshment. For now there are many breweries producing various kinds of bear, but also producing problems of waste water treatment. The waste water which contains large amounts of organic pollutants, are…
Refrigerating fluid is the working medium in cooling systems such as central air-conditioning, heat pump air-conditioning, household air-conditioners, and other small-sized cooling equipment. The fluid circulates through the system, exchanging energy with the outside via changes in its thermodynamic states to provide cooling. Freon, the high-performing refrigerant introduced by DuPont…
The Internet of Things (IoT) is a vast information system based on the Internet, where RFID and wireless data communication connect the sensing layer with the application layer. This interconnection creates a comprehensive network that integrates human activity with the environment through sensing and control systems. The Importance of Low…
Scrubbing solution is added in the washing section during the fractional extraction process to eliminate impurities and fission fragments from the loaded organic phase. Various scrubbing solutions are used for different demands. ISWeek demonstrates how to detect the liquid level of scrubbing solutions in washing equipment before it gets too…
In computer equipment, large amounts of semi-conductors, resistors and capacitors, etc are being used. When the computers are operating, the temperature rise will somehow affect the functioning of these elements. To ensure the computers’ normal operation, not only the temperature in the room should be strictly controlled, but humidity also…
A brief instruction of the largest underground utility tunnel under construction in China The largest underground utility tunnel ever in China is being constructed in Xi’an City. The construction is expected to be finished in 2020, with its full length of 73.13km, and 182.5km cable in it. How are the buried…
