... according to API Spec 7KSpecification for Drilling Equipment . TCS torque monitoring system can be mathed with drill well Power Tongs ... and save the ultimate data ,such as :torque ,number of ciccles ,torque/time of .circles, torque/time. curves, date, time, well-team ... number ,single and total length. -According to the torque and circle number it automatically control the making-up ...