SmartCount Edge-7 Kit S17 is the perfect solution for counting virtually any physical part in a production process where contact to the product can be made.  The spring lever switch can make contact with products where photo-sensors won't work.
 
Kit Includes:
(1) SmartCount Edge-7 Controller
(1) Mini Limit Switch
(1) 3m Cable
 
Simply add an HDTV and HDMI cable and display your production numbers, actual vs. target, rate, distance, and more in a matter of minutes.  No programming required.