4000x.05 series 20m (60')
50mm (2") digits
Wharton 4000 range digital clocks are a proven design for use in time and reliability critical applications in command and control rooms, laboratories, production, process and medical facilities, offices and reception areas, school exam rooms and halls and all types of transportation systems.
* requires optional 406 temperature sensor,
** requires optional stopwatch switch control panel
Manufactured by Wharton in the UK - Used throughout the world - Sales partners in 43 countries