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N95, KN95, FFP2, KF94, what is the difference between these?
Mar , 25 2020
N95, KN95, FFP2, KF94, what is the difference between these? N95 and so on, referring to mask level. The N series of masks are American standards, the KN series is Chinese standards, the FFP series is European standards, and the KF series is Korean standards. The latter number refers to the protection ability, the greater the protection level is, the higher the protection level is. When water mole...
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Lexinda Advantages of the factory during the Covid_19 epidemic
Mar , 30 2020
In this special times of epidemic , the production capacity of Fuzhou Lexinda Electronic Co., Ltd. can be ensured due to the relatively independent production processes. Our hot selling epidemic prevention products have been exported. Some original materials such as MDF, PVC, wood, chips, PCB boards need to be purchased. Besides these, other procedures including SMD (Surface Mounted Device), LED d...
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Wuhan unsealed countdown 9 days
Mar , 31 2020
long time no see [#Wuhan unsealed countdown 9 days]#COVID19 Wuhan, we are waiting for you in spring! Wuhan, come on! Yoo
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Where should the forehead thermometer be measured?
Apr , 03 2020
As of 4pm today Voting initiated by lexinda yesterday The results are as follows: 43% of netizens choose "all of the above" Followed by the "forehead" selected by 37% of netizens Which one is the correct answer? Lexinda has inquired about the information of the temperature gun Popular science according to lexinda The correct use of GET forehead thermometer Let's take a look ~ Why use a forehe...
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Will the forehead thermometer radiate? Why should we choose a forehead thermometer?
Apr , 03 2020
Every day when I go in and out of the community, I will be required to take a temperature measurement, commuting work. The most commonly used is a forehead thermometer. Some netizens may be confused. Will there be radiation with the forehead thermometer for measuring body temperature? Why use a forehead thermometer? How to effectively improve the accuracy of temperature measurement? Don't worry, A...
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7 things you don't know about humidity
May , 18 2020
1. The humidity of 100% doesn't mean it's going to rain. Humidity is a physical quantity used to describe the amount of water vapor in the air. There are many ways to express air humidity, of which the most commonly used is the "relative humidity" in meteorology. So what is relative humidity? Let's think of air as a sponge. It can hold at most a certain amount of water, say 1 liter. Then the relat...
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What is the concept of humidity in the weather forecast? What does it mean if the humidity is 100%?
May , 18 2020
The humidity forecast is mostly relative humidity, such as 100% here. 100% means that 100% of the water vapor can be contained in the air. If water vapor enters the air, it will condense into water. The upper limit of how much water vapor can be contained in the air is affected by temperature. The higher the temperature, the faster the water vapor molecules move and the less likely ...
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What kind of indoor temperature and hygrometer is more accurate?
May , 18 2020
There are three kinds of temperature and humidity meters commonly used: 1.the electronic temperature and humidity meter determines the humidity according to the electrical conductivity of the humidity sensitive resistor or humidity sensitive capacitor at different humidity. 2.mercury or alcohol thermometer, the humidity is measured by a thermometer with double glass tubes, one of which has a volat...
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Understand CE certification in one article
May , 25 2020
CE certification, which is limited to the basic safety requirements of products that do not endanger the safety of humans, animals and goods, rather than general quality requirements, the harmonized directive only stipulates the main requirements, which are standard tasks. Therefore, the accurate meaning is: the CE mark is a safety mark instead of a quality mark. It is the "main requirement" that ...
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Understand FDA certification in one article
May , 25 2020
FDA certification: The United States Food and Drug Administration is abbreviated as FDA. FDA is one of the executive agencies established by the US government in the Department of Health and Human Services (DHHS) and the Department of Public Health (PHS). As a scientific management agency, FDA's responsibility is to ensure the safety of food, cosmetics, drugs, biological agents, medical equipment,...
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What is a radio controlled clock?
Aug , 28 2020
Radio controlled timepieces, also known as wireless control timepieces, are a new generation of high-tech products following quartz electronic clocks. The wooden alarm clock radios is a quartz electronic clock with a functional structure of receiving radio carrier signal, data processing, and automatic correction. In this way, it can receive the standard time signal sent by the ground transmitting...
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What to know about Bluetooth Technology?
Oct , 25 2020
The birth of Bluetooth Technology Bluetooth actually dates back to World War II. The core of Bluetooth is short-range radio communication, which is based on frequency hopping spread spectrum (FHSS) technology. It was proposed by Hollywood actress HEDY LAMARR and pianist George Antheil in August 1942. Inspired by the number of keys on the piano, they control the torpedo by using 88 different...
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