Speed ​​measuring device B-SPI V 121-700 1 unit

You can easily measure the speed of anything moving between the sensors. Speed ​​is measured from the time difference between passing through two infrared sensors inside the unit. It is possible to display speed and total lap time digitally. It is suitable for introducing measuring devices to elementary and junior high schools. If two are used, acceleration can also be calculated. Speed ​​measurement can be displayed in units of cm/s, m/s, and km/h. It has a memory function that stores the last five measurements. You can switch between lap time measurement and speed measurement. Measurement units: cm/s, m/s, km/h Speed: 0~999.9cm/s, 0~99.99m/s, 0~99.99km/h Accumulated lap time: 0 to 99.99 seconds Function: Memory function Power supply: 2 AAA batteries (not included) Size: W60×D60×H50mm Weight: Approx. 55g (excluding batteries) Product code: 121-700