Brochure

    Modular Angle Encoders With Optical Scanning

    Angle encoders with graduation on glass disk

    Field of application: High-resolution rotary axes with high reproducibility 
    - Very high number of signal periods
    - Small mounting space
    - Small interpolation error and low signal noise

    Version and mountingSystem-
    accuracy    		Signal periods per revolutionModel
    Phase-grating graduation on glass disk with hub; screwed onto front of shaft± 0,9''180000ERP 880
    OPTODUR graduation on glass0,9''to 4''23000 to 63000ERP 1000
    SUPRADUR phase grating on glass± 1''2500ERO 2000
    METALLUR graduation on glass disk with hub; screwed onto front of shaft± 3''/
    ± 2''    		9000/
    18000

    45000 to
    900000

    ERO 6080

    ERO 6070

    Chrome graduation on glass; screwed onto front of shaft± 10''4096ERO 6180

    Angle encoders with graduation on steel scale drum

    Field of application: Rotary tables, Swivel heads, Accurate, highly dynamic motors
    - Large diameter range
    - High permissible shaft speeds
    - High accuracy
    - Various shapes of drum
    - Various line counts per diameter
    - Protective cover for increased resistance to contamination

    Version and mountingSystem 
    accuracy    		Signal periods per revolutionModel
    Steel scale drum with high accuracy, three-point centering± 3'' to ± 1,5''8195 to 44000ECA 4000
    ECA 4000 Vakuum
    Scale drum with centering collar; screwed onto front of shaft± 5'' to ± 2'' 12000 to 52000
    6000 to 44000
    3000 to 13000    		ERA 4280C

    ERA 4480C

    ERA 4880C
    Scale drum for increased accuracy; screwed onto front of shaft± 4'' to ± 1,7''12000 to 52000ERA 4282C

    Angle encoders with graduation on steel tape

    Field of application: Large rotary tables, Telescopes, Special applications 
    - Very large diameter range
    - Full-circle and segment versions
    - High variability of diameter
    - High accuracy
    - Inward or outward scale tape

    Version and mountingSystem
    accuracy    		Signal periods per revolutionModel
    Steel scale tape for internal mounting, full circle version; scale tape is tensioned on the outside circumference± 3,9'' to ± 1,6'' 36000 to 90000ERA 7480C
    Steel scale tape for external mounting, full circle version; scale tape is tensioned on the outside circumference± 4,7'' to ± 1,9''36000 to 90000ERA 8480C