CS-1 Features●Two drums run synchronously. Auto stop at timing point.●The drum is made of high quality hyaline acryl.●The speed and revolution of the drum can be preset at any time,either preset or real data is displayed on the LED.●A MPU is used to control all operations, high accuracy isachieved in testing rotary speed and circle number.●Automation: auto-test, auto-diagnose, auto-alarm.CS-2 Features●Two drums run synchronously. Auto stop at timing point.●The drum is made of high quality hyaline acryl.●The speed and revolution of the drum is constant,either preset or real data is displayed on the LED.●A MPU is used to control all operations, high accuracy isachieved in testing rotary speed and circle number.●Automation: auto-test, auto-diagnose, auto-alarm.