手持式转速表,用于非接触或接触测量轴和发动机的转数,以及表面速度和长度,如传送带。低成本的转速计是伟大的准确测量转数,长度和速度。根据型号有多达10个用户可选择的测量单位(min-1;牧师;米/分钟;/分钟;码/分钟;英尺/分钟;m;; ft; yd) present in this tachometer. The unit has a manual and automatic memory. The saved readings can be recalled in the display. The electricity saving electronic of the tachometer assures a long battery durability.