This rotary encoder is half-hollow type, outer diameter is 38

output circuit                  Driver L .H                      C. E . F                              Driver T

 Power voltage                   +5V                         +5 or +8V~30V                  +5 or +8V~30V

 allowable load                  20mA                               30mA                              20mA

 Response frequency         150KHz                           150KHz                           150KHz

Radial load     <30N or 30N                Axial load      <15N or 15N

Tiptop rotate speed  6000r/min           Working temperature   20~50 degree

Storing temperature  +20 ~ +80 degree

Protect grade     IP50

Weight   about 0.15kg

Encoder