TTR ERA 4200
Scale drum for incremental modular angle encoder
without integral bearing
Line count: 52000
Grating period: 20.000 µm
Accuracy of the
graduation: ± 2.5 ''
Geometry of drum: Outside Ø 331.31 mm,
inside Ø 270 mm, hole
circle Ø 290 mm, 12 holes
Ø 5.5 mm, with centering
collar
Reference mark: 1 reference mark
Mechanical permissible
speed without mechanical
fault exclusion: 4750 min-1
Mechanical permissible
speed with mechanical
fault exclusion: 2500 min-1