Simply put, the BeeSpi is a sensor equipped velocity measuring instrument. With the touch of a button, you can accurately measure the speed of small objects passing through the BeeSpi tunnel.


BeeSpi is ideal for use in experimental tests of speed and acceleration in the field of dynamics, and paves the way for digitized measurements of velocity. This fantastic tool also displaces the conventional method of using record timers.


How does it work?

The BeeSpi detects an object passing through two points about 40mm apart via built-in photo sensors and indicates the velocity of the object in digital form. Infrared sensors located in two spots on the inside walls of the unit detect the time when an object passes each spot. As a result, the velocity of the object, calculated from the difference in time, is indicated. In addition to velocity, the BeeSpi can measure lap time and acceleration (using 2 BeeSpi units). Other experiments include horizontal projection, gravitational acceleration, and simple pendulum.


Dimensions:
Outside: 6cm x 6cm x 5cm (L x W x H), 2 1/4" x 2 1/4" x 2" (L x W x H)
Inside Tunnel: 4cm x 4cm x 3cm (L x W x H), 1 1/2" x 1 1/2" x 1 1/8" (L x W x H)
Weight: 2.5 oz.


Mode Switching

* Two different modes can be used with the BeeSpi V unit.

1. Speed measuring Mode

1. Cumulative Lap Time-Measuring Mode

* To switch from one mode to the other, hold down the Start button.


Measuring

* Before measuring, hold down the select button (1.5 seconds) and select the desired measurement unit (Speed Measuring Mode only).
* A flashing 'sec,' 'km/h,' 'm/s,' or 'cm/s' display indicates that the unit is in a state of measurement standby.
* A steady lit measurement unit display indicates completed measurement or an inability of the unit to measure.


Memory Check

* Where multiple measurements have been taken, the last five measurement results can be checked by selecting the Select button.
o This function cannot be utilized when the unit is in a state of measurement standby.

* Memory data can be reset by switching modes or by changing the measurement unit.
* Memory data can be reset when the batteries are removed.
Standby State (LCD off)
* The unit will enter the standby state when the Start button and the Select button are held down at the same time or after five minutes have passed without operating the unit.
* To reactivate the unit, press either the Start button or the Select button.