GRAYHILL:  光电编码器  61C22-01-04-02

• SERIES 61C 16 or 32 Position with Pushbutton FEATURES • Competitively Priced to Similar Electromechanical Switches • Optically Coupled For More Than A Million Trouble-Free Rotations • Has Data Entry Pushbutton Switch Activated By Switch Shaft • Compatible With CMOS, TTL and HCMOS Logic • Operationally Used to Move Display Icon and Input Data • Used to Set Radio Frequency, Drill Depth, RPM, etc.