Top List Curated by lisungroup
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  • May 22nd 2020
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Lisungroup is a public top list created by lisungroup on rankly.com on May 22nd 2020. Items on the Lisungroup top list are added by the rankly.com community and ranked using our secret ranking sauce. Lisungroup has gotten 1 views and has gathered 0 votes from 0 voters. A A

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    1

    Glow-wire test work principle introduction and application

    https://www.lisungroup.com/news/technology-news/glow-wire-test-work-principle-introduction-and-application.html

    The glow wire test is to test the stability of electronic and electrical products at work. The glow wire itself is actually a fixed-size resistance wire ring. During the test, it is heated to the specified temperature with electricity, so that the tip of the glow wire contacts the sample to reach the standard required time, and then observe and measure its state. The test range depends on the specific Test procedure.

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    How to choose magnetic shielding room for EMI test

    https://www.lisungroup.com/news/technology-news/5621.html

    Computers, communicators, and electronic equipment will generate electromagnetic waves of certain strength during normal operation. The electromagnetic waves may interfere with other equipment or be received by special equipment to steal their work. At the same time, these electronic devices also need to ensure their normal operation in an electromagnetic environment of less than a certain intensity. 

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    Precautions for production and use of infrared forehead thermometers

    https://www.lisungroup.com/news/technology-news/precautions-for-production-and-use-of-infrared-forehead-thermometers.html

    Forehead thermometers is both medical product and electronic product. It only needs one or two seconds to complete a body temperature measurement, which is very suitable for use in public places, but also for the elderly, infants and other people. Then what standard should the forehead thermometers comply with medical standards meet?

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    8

    The Advanced Features of Goniophotometer and Surge Generator

    http://lisungroup06.over-blog.com/2020/07/the-advanced-features-of-goniophotometer-and-surge-generator.html

    Many companies design and produce this device based on customers’ requirements. However, Lisun Group attracts almost everyone who has decided to pick and purchase one of the most special and automatic light distribution intensity three-dimensional curve testing system. You can contact this company and pay attention to various aspects of the Goniophotometers.

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    9

    Use and detection method of ultraviolet germicidal lamp

    https://www.lisungroup.com/news/technology-news/use-and-detection-method-of-ultraviolet-germicidal-lamp.html

    Ultraviolet sterilization is a traditional and effective disinfection method. It has been widely used in hospitals, food factories, water treatment, etc. However, it is affected by many factors during the use process, especially the low radiation intensity of the lamp and improper application Disinfection effect. In order to ensure a satisfactory disinfection effect, we have mainly implemented the following monitoring and management measures during use.

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