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Disinfection method and radiation intensity detection of medical ultraviolet lamp
29 May, 2020 6

Disinfection method and radiation intensity detection of medical ultraviolet lamp

Medical ultraviolet lamps mainly sterilize indoor air. There are two methods: indirect irradiation and direct irradiation. Indirect irradiation method: the use of high-intensity ultraviolet air sterilizer has the advantage of reliable disinfection effect and can be used when there are people indoors. The disinfection time is generally 30 minutes. The principle of the shooting method is to suck the...

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Use and detection method of ultraviolet germicidal lamp
22 May, 2020 17

Use and detection method of ultraviolet germicidal lamp

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...

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The Difference Between The Total Luminous Flux Test Results Of The Integrating Sphere And The Goniophotometer When Testing Bare Light Sources (Small Lamps) And Big Size lamps
12 May, 2020 21

The Difference Between The Total Luminous Flux Test Results Of The Integrating Sphere And The Goniophotometer When Testing Bare Light Sources (Small Lamps) And Big Size lamps

According to the provisions of IESNA-LM-79-08, both the integrating sphere system and the goniophotometer can test the luminous flux and color parameters of SSL products. In this experiment, an LED bulb and an integrated street lamp were used to measure the luminous flux in the integrating sphere and goniophotometer, respectively. As shown in the figure below, the same bare light source LED bulb ...

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Precautions for production and use of infrared forehead thermometers
29 Apr, 2020 50

Precautions for production and use of infrared forehead thermometers

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? And how is it produced? What should be paid attention to during ...

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How to detect a qualified mask according to the standard of each country
26 Apr, 2020 72

How to detect a qualified mask according to the standard of each country

Mask standard: N95 is produced according to American standards; FFP2 is according to European standard EN149; KN95 is the Chinese standard GB2626-2006 / 2019; All masks are qualified as long as they bear the N95, FFP2, KN95 remark. The protection level is expressed by the following formula, which is easier to understand: FFP3>FFP2=N95=KN95>KN90 In addition, medical surgical masks must be pro...

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Flicker Comparison and Test Methods of Various Light Sources
23 Apr, 2020 60

Flicker Comparison and Test Methods of Various Light Sources

Almost all types of lamps is easy to flicker, including incandescent lamps, halogen lamps, and even LED bulbs. But the effect of each light is different. For example, in incandescent and halogen lamps, the filament temperature responds slowly to changes in current, so you will not notice the effect of flicker. For current changes, the LED responds almost immediately, so the blinking will be more n...

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(EU) 2019/2015 Introduction of the EU Energy Label Directive: EEI and ƞTM
23 Apr, 2020 58

(EU) 2019/2015 Introduction of the EU Energy Label Directive: EEI and ƞTM

The European Commission has formulated the official version (EU) 2019/2015 of the new regulations on energy efficiency labels for light sources on March 11, 2019, which will be officially released on December 5, 2019. It will be enforced on September 1, 2021 and will abolish the original regulations (EU) 874/2012, implementing the Energy Efficiency Labeling Directive (EU) 2017/1369. This regulatio...

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Standard for testing ultraviolet intensity of UV (ultraviolet) lamps used for disinfection
02 Apr, 2020 105

Standard for testing ultraviolet intensity of UV (ultraviolet) lamps used for disinfection

The principle of ultraviolet disinfection is to use ultraviolet radiation to cause photolysis and denaturation of bacteria proteins, and the amino acids, nucleic acids and enzymes of bacteria are destroyed and died. At the same time, when the ultraviolet rays pass through the air, the oxygen in the air is ionized to generate ozone, which strengthens the bactericidal effect. Ultraviolet is mostly u...

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Uses of UV lamps and test methods for UV lamps
25 Mar, 2020 97

Uses of UV lamps and test methods for UV lamps

Ultraviolet lamps can be used for ultraviolet sterilization, excitation fluorescence (fluorescence microscope, banknote detection), trapping and killing insects, and printing. Curing three-dimensional parts of different shapes and sizes, angles and bends, edges and bumps requires light to be projected onto all surfaces and should have sufficient energy. Generally, the lamp is composed of a lamp tu...

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