久一综合精品视频_日韩A v高潮潮喷无码_能看片的国产乱片_在线激情专区_一级a性爱黄色片免费看_无码人妻出轨黑人中文字幕_黄色中文字幕免费在线观看_性欧美乱妇come免费_国产欧美日韩一卡_日韩欧美国产精品区

  F5000 transient digital photometer with 16 bit high speed (1MSPS) high precision AD can achieve maximum 50 KHz sampling frequency, the shortest test interval of 10 us, maximum sampling points to 8000000 points. It can be equipped with a variety of high-speed optical photodetector. High precision and fast detect the parameters of the illuminance, luminance, luminous flux, luminous intensity, radiation degrees. Through software analysis, the intensity, frequency, scintillation index, scintillation percentage and other parameters are obtained.