... contacts, DC motor rotation for CB spring stretch.-Universal sensor clamp, suitable for almost all CB action device.-All ... sensor on one of the A-phase, B-phase & C-phase of gap1 or gap2-Alternative for displacement transducer or angular displacement ... set-Signal cable connecting to sensor,1 set, with two sensor. One is displacement transducer ,another is angular displacement-Senor universal Clamp, 1 ...