亚洲欧美国产综合精品,国产aV在线播放网站,久久精品网址,我和闺蜜在公交被八人伦,av骚老师,国模大尺度私拍视频,主奴臀缝调教h

Standard Accelerometers

YMC 271A01(S) Standard Sensor is used natural quartz as the sensing element, which has good temperature characteristic, long–term stability, shear mode structure, the influence of the effective strain isolation base. The bottom and top female M5 thread (10–32 optional) for mounting, which could be applied in a laboratory standard sensor for the precise calibration of vibration transducers by the back–to–back comparison method; could be used as a vibration sensor precision calibration, testing and inspection, etc. YMC 271A02 is as high frequency standard sensor.

Impact Hammers Modal Hammers