Electronic Switches (I) P. Ltd; offers 6 Digits, Length Counter with 4 inch height  seven segment LED display. Units operates on 220 Volts AC supply and accepts input from sensors . Set value can be entered from front panel switches by user.  Reset is available on front panel as well as on terminal strip on back. It will display length in meters. This counter is to used display the total feet of cord that has passed through the measuring wheel. The sensor generates one pulse per  revolution of the measuring wheel. The Length Counter displays the total length of cord in meters.