国产亚洲日韩a欧美在线,色国产短视频在线观看,精品国产免费人成高清,在线不断更新小视频国产-国产精品自拍视频网站_300部园国产乱辈无码视频_国

Sales Hotline

+86-13812297748

Laser interferometer
Technical Parameters:
System accuracy: ± 0.5ppm (0 ~ 40 ℃ the entire working environment)
Laser frequency stabilization accuracy: ± 0.05ppm
Resolution: 0.001um
Measurement speed: 4.0m / sec
Sampling frequency: 50KHz
Measuring range: 0-80metres
Warm-up time: ~ 6 minutes