Operation operation of UV aging test chamber shows that:
1. After opening the power supply, two instruments are in the state of access. After setting up, the equipment is in working condition.
2, before the power is turned on, the total test time, light time and condensation time are set in advance. After the power supply is connected, the UV aging test box will run with this set value. If the operation process needs to change the relevant data, the total power supply will be turned off and restarted, otherwise the instrument will also run according to the instruction set in the previous time.
3, because the ultraviolet light energy output will gradually attenuate with time, in order to reduce the effect of the light energy attenuation test, the UV aging test chamber is in the eight lamplet every 1/4 fluorescent lamp life (the lamp tube service life is: 1600H), the replacement of an old lamp tube from a new lamp tube, the rest of the position change like the lower figure, so, purple The external light source is always composed of new lamps and old lamps, thus obtaining a constant output light energy.
4. If you need to spray, you must open the spray switch at five minutes after the light is finished, and set the spray time.
5. In order to allow the sample to be uniformly exposed to light exposure test, the experimental samples are periodically replaced by the exposed central and marginal zones during the test cycle, so that all the test samples can have uniform irradiation and temperature.
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