... in a scope of 1 inches, accompanied by precise fine tune functions.07. Detect alarm system: The safety alarm ... Winding density: step motor control, 36-segment density selection, fine differentiation technology is adopted, adjustable range: 0~640, which precisely control ... Single-phase 220V and triple-phase 380V, adopts advanced CMOS technology, having memorizing function at power-off moment.16. Volume ...