TTR ERA 4200C
Scale drum for incremental modular angle encoder
without integral bearing
Line count: 28000
Grating period: 20.000 µm
Accuracy of the
graduation: ± 2.5 ''
Geometry of drum: Outside Ø 178.55 mm,
inside Ø 120 mm, hole
circle Ø 140 mm, 6 holes
Ø 5.5 mm, with centering
collar
Reference mark: coded reference marks,
nominal increment = 2000
grating periods
Mechanical permissible
speed without mechanical
fault exclusion: 8750 min-1
Mechanical permissible
speed with mechanical
fault exclusion: 4500 min-1