Now on the market are mostly quartz ultraviolet lamp, low price, durable, process is relatively simple and so on, since the quartz ultraviolet lamp has the advantage, so, in the disinfection cabinet exactly what the ultraviolet lamp, how to identify true and false? Let speed than the companies to analyze for your answers.
Look at the name, now on the market some disinfection cabinet although the appearance, structure and disinfection cabinet is, but called cleaning counters, in fact, disinfection cabinets and cleaning counters two different concepts, cleaning counters can prevent pollution, does not have the disinfection evaluation index of disinfection cabinet, such as disinfector in Escherichia coli killing rate reached more than 99.9%, and cleaning counters are basically using the high boron ultraviolet lamp.
But the most reliable method is used in Germany KUHNAST UV-254CUV irradiance meter (UV meter) 254nm probe to measure, the same power, 254nm ultraviolet intensity is the highest in the quartz ultraviolet lamp, followed by the high boron glass ultraviolet lamp, ordinary glass and coated with fluorescent powder lamp of 254 nm UV intensity can not be measured data. Coated tube fluorescent powder, no matter in what glass manufacturing may not emit short-wave ultraviolet, less likely to generate ozone, because the spectral line emitted by fluorescent powder conversion, the shortest wavelength is about 300 nm, which is in the range of UV-A, while UV-A is generally used in coating, can often see in disinfection cabinet is the mosquito killing lamp, can generate the 365nm line and a part of the blue light, its function in addition to be able to attracted mosquitoes, no sterilization effect, notably UV light is a kind of invisible light. Not purple is ultraviolet.
As everyone knows, in the production process of quartz glass, high melting point, low expansion coefficient, if at the same time put more heated in the fire, ordinary glass melting point is the lowest, followed by the high boron glass. After heating at the same time on the water quench, not broken quartz glass.
High boron glass ultraviolet lamp and quartz ultraviolet lamp in appearance than quartz ultraviolet lamp, generally can not be mounted aluminum cap lamp holder, lamp holder made of plastic, bakelite or ceramic, lamp glass tube diameter than coarse; production process of circular seal and ordinary glass and borosilicate glass can be used a higher degree of automation, its technology and fluorescent lamp production, available aluminum cap, and the material costs and production costs are relatively low.
The market for some ordinary glass tube of the so-called "UV lamp" manufacturing, this lamp is no ultraviolet, tested by a simple method: put the lamp in the energy-saving lamp or fluorescent lamp beside the light, it can not intensify the luminescent tube fluorescent powder, it can be confirmed that it is a symbol of the fake and shoddy products real to test, and the other is UV intensity meter, serious but also the human body damage.
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