| 摘要 |
PURPOSE:To record the measured revolving speed at an optional point of time without interrupting the measurement by continuously repeating the operation dividing the number of rotation pulses during the measuring time by the measuring time in every measuring time, and after discriminating required data, storing these data successively in a memory. CONSTITUTION:During a measuring switch 3 is continued to be depressed, an operation part 2 executes the operation dividing the number of rotation pulses (n) counted within a fixed or optional time T by the time T and the digitized data are successively sent to an output register 5 in every required time and displayed on a display device 6. When a memory switch 8 is not depressed, the data from the operation part 2 are pushed down in every step and the latest data are stored in the top steps of memories 7-1. In a data holding mode in which the measuring switch 3 is released, the data stored in the memory 7 are displayed on the display device 6. |
