TTR ERA 4800C 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
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