Measurement and Control of Light Intensity of Benchtop Xenon Test Chamber

Measurement and Control of Light Intensity of Benchtop Xenon Test Chamber

Light irradiance refers to the ratio of light energy that is incident on a plane. The equipment must be able to control the irradiance of the light to achieve the purpose of accelerating the test and reproducing the test results. Changes in light irradiance affect the rate at which material quality deteriorates, while changes in the wavelength of light waves (such as the energy distribution of the spectrum) also affect the rate and type of material degradation. The irradiation of the device is equipped with a light-sensing probe, also known as the sun eye, a high-precision metering system that can display the light energy degradation caused by the aging of the lamp or any other change. The sun's eye allows for the selection of the appropriate light irradiance during the test, and even the irradiance equivalent to the summer midday sun. The sun's eye can continuously monitor the irradiance in the irradiation chamber and maintain the irradiance at the operating set point by manually adjusting the voltage of the lamp. Due to long hours of work, when the irradiance drops below the set value, a new lamp needs to be replaced to ensure the irradiance is normal.

Beijing Hongda Tianmao Testing Equipment Co., Ltd.

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