Parameter characteristics of UV lamps

UV lamp has four main characteristics:

1 spectral distribution

It is described as the lamp emission wavelength function of radiation energy or wavelength distribution of radiant energy to the surface. It used a standardized terminology to express, the nanometer (nm).

2 UV strength

UV radiation intensity is reached the radiation power per unit area of surface. Radiation intensity, expressed in watts or milliwatts per square centimeter. Focus on it with the output power, efficiency, lamp reflective system and different distance and different surface. High intensity focused, peak power reference is directly arranged on the UV lamp for "peak irradiance". Radiation includes all the power output, efficiency, radiation, albedo, size and geometry factors focus lamp. Because UV can absorb the characteristics of solidified material, reach the surface below the light energy is less than the surface. May in the curing conditions in these regions have significantly different. Material thickness of the optical thickness may reduce the efficiency of light, resulting in inadequate curing material deep. In printing ink or coating, the surface radiation intensity higher will provide a relatively high energy light. Depth of cure is more of the curing time is radiation effect rather than longer (radiation). High irradiance allows the use of less photoinitiator. Increase the photon density increased photon light initiator collision, to compensate for the reduced light initiator concentration. For the thicker coating can be effective, because the surface of photoinitiators absorb and hampered the same wavelength to reach deep light initiator molecules, usually used to test the UV light intensity instrument: KUNAST UV-365A UV intensity meter, is a kind of simple and durable professional used to test UV intensity instrument.

3 UV energy

UV radiation energy that arrives at the substrate surface photon amount per unit area (and intensity of radiation is the rate of arrival). In any given source, the radiation energy and the curing speed is inversely proportional to the curing time. Radiant energy is in the intensity of radiation time accumulation, expressed in per square centimeter of joule or MJ, (unfortunately, no radiation intensity or spectral content for the radiation energy measurement information, it is only the cumulative exposure of surface energy.) Its significance lies in that it is the only includes the appearance characteristic parameters of velocity and curing time parameter, there are many professional stable UV energy meter to measure now, most new development speed than science and technology limited company UV-INT150 energy meter is one kind of high quality, cost-effective special instrument.

4 infrared radiation density

Infrared radiation is mainly the infrared energy emitted by the UV light source. Infrared energy and UV energy is collected together and focusing on the work surface. Efficiency of reflectivity and reflector which depends on the IR. IR energy can be converted to radiation or radiation intensity units. But usually, its surface temperature generated only is an important notice. It produces heat may be harmful may also be good. There are many combined UV lamp to solve the relationship between temperature and IR technology. Can be divided into reducing emission, transmission and control of heat transfer. Reduce to achieve through the use of small diameter launch tube, quartz tube wall because almost all of the temperature transmitter. Transfer can be reduced by quartz material reflector using color in the lamp back (reflecting UV filter to realize infrared); or the use of color in between the tube and the goal of heat mirror quartz material (isolation infrared radiation of ultraviolet). Heat mobile reduces prints temperature, caused the mobile temperature before use cooling or cooling device to control the heat in IR. The absorption of IR energy decisions - printing material itself by ink, coating or substrate. Printing speed for the printing surface absorption of IR energy has significant influence on. The faster, the absorbed energy of IR less, Shenzhen bikesu Technology Co., Ltd. is the development of infrared density instrument professional, www.bikesu.com site when the sector will provide better service for customers.