Scale Drum for incremental modular angle encoder without integral bearing
Line count:              10000
Grating period:          80.000 µm
Accuracy of the          
graduation:              ± 2.5 ''
Geometry of drum:        Outside Ø 254.93 mm, 
                         inside Ø 180 mm, hole 
                         circle Ø 200 mm, 6 holes 
                         Ø 5.5 mm, with centering 
                         collar
Reference mark:          coded reference marks, 
                         nominal increment = 1000 
                         grating periods
Mechanical permissible   
speed without mechanical 
fault exclusion:         6250 min-1
Mechanical permissible   
speed with mechanical    
fault exclusion:         3250 min-1