■Comply with CCS standard, the main performance index as follows
■Power supply :AC110V/AC220V 50/60Hz
■Damping period of the needle less than 3s.
■The rudder angle indicate within a range from p 55°to S 55°(or customer designed scale)
■Indicate accuracy :＜0.5°
■At a distance of 1.5 meters can read the indicated value clearly.
