![](https://webarchive.library.unt.edu/web/20110722194957im_/http://www.arborsci.com/images/clear.gif) |
|
|
P4-1450 |
|
Timer and Photogates 2.0
|
Digital Timer & photogates. No computer required for this simple, intuitive data collection device. Complete set includes Timer, two photogates with cords, AC adaptor, user’s manual, and hard carrying case. |
Read More >>
|
|
|
|
|
|
|
|
![](https://webarchive.library.unt.edu/web/20110722194957im_/http://www.arborsci.com/images/clear.gif) |
|