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    Mechanical Rotary Encoders

    Mechanical rotary encoders, also called shaft encoders, are electro-mechanical devices that convert the angular motions (movement around fixed points) of rotary shafts into either analogue or digital signals.

    What are mechanical rotary encoders used for?

    Applications that require precision shaft rotation (movement around a specific point) make use of mechanical rotary encoders.

    These include industrial control machinery in factories, rotating radar platforms in satellite structures or computer input devices like trackballs and mice.

    Types of mechanical rotary encoders

    Absolute encoders:

    • have tracking functions to determine specific shaft positioning points in industrial equipment like CNC machines, lathes and bore machines.
    • maintain positioning data even when power is cut from the system. When the system is switched on again it begins operating from the point where it stopped previously.

    Incremental (relative) encoders:

    • record deviations in shaft position points over certain time frames. With each new time frame after power is cut and switched on again the encoder starts recording from a predetermined reference and measures the distance between the previous point and the current point.

    210 Products showing for Mechanical Rotary Encoders

    Each
    MYR6.38
    Alps Alpine
    24
    Flat
    6 mm
    Incremental
    -
    Through Hole
    25mm
    -
    -
    1.2 mm, 2 x 2.1 mm
    Each
    MYR16.74
    Alps Alpine
    15
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    20mm
    Not Indexed
    -
    2.6 x 1.5 mm, 1 mm
    • RS Stock No. 127-639
    • Mfr. Part No. 179983 M22-INC-SWD-INC
    Each
    MYR630.35
    Eaton
    -
    -
    -
    -
    -
    Push-Fit
    -
    -
    -
    -
    Each
    MYR7.99
    Bourns
    24
    Knurl
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    15mm
    Not Indexed
    60rpm
    2.6 x 1.8 mm, 1 mm
    Each
    MYR105.01
    Elma
    16 PPR
    Slotted
    12.7 mm
    -
    -
    Through Hole
    -
    -
    -
    -
    Each
    MYR44.98
    TE Connectivity
    24
    Knurl
    6.8 mm
    Incremental
    Digital Square Wave
    Through Hole
    25mm
    Not Indexed
    60rpm
    1 mm, 1.1 mm
    Each
    MYR7.73
    Bourns
    18
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    20mm
    -
    60rpm
    1mm
    Each
    MYR3.00
    Alps Alpine
    12
    Hollow
    3.6 mm
    Incremental
    Digital Square Wave
    Through Hole
    -
    Not Indexed
    -
    1 mm, 2.1 x 1.8 mm
    Each
    MYR53.95
    TE Connectivity
    24
    Knurl
    6.8 mm
    Incremental
    Digital Square Wave
    Through Hole
    25mm
    Not Indexed
    60rpm
    1 mm, 1.1 mm
    Each
    MYR7.65
    Bourns
    12
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    15mm
    -
    60rpm
    1mm
    Each
    MYR13.96
    Bourns
    20
    -
    6 mm
    Incremental
    Digital Square Wave
    PCB Mount
    20mm
    Not Indexed
    -
    -
    Each
    MYR7.52
    Bourns
    18
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    15mm
    Not Indexed
    60rpm
    2.6 x 1.8 mm, 1 mm
    Each
    MYR27.10
    Bourns
    15
    Flat (Inner Shaft), Slot (Outer Shaft)
    2 mm
    Quadrature
    2-Bit Quadrature
    -
    -
    Not Indexed
    -
    -
    Each
    MYR26.06
    Bourns
    15
    Flat (Inner Shaft), Slot (Outer Shaft)
    2 mm
    Quadrature
    2-Bit Quadrature
    -
    -
    Not Indexed
    -
    -
    Each
    MYR6.97
    Bourns
    24
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    15mm
    -
    60rpm
    1mm
    Each
    MYR6.26
    Bourns
    24
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    25mm
    -
    100rpm
    1mm
    Each
    MYR6.30
    Bourns
    24
    Flat
    6 mm
    Incremental
    Digital Square Wave
    Through Hole
    30mm
    -
    100rpm
    1mm
    Each
    MYR1,084.11
    Vishay
    -
    -
    60 mm
    Absolute
    Binary
    Screw Mount
    -
    Not Indexed
    -
    -
    Each
    MYR1,084.19
    Vishay
    -
    -
    60 mm
    Absolute
    Binary
    Screw Mount
    -
    Not Indexed
    -
    -
    Each
    MYR1,084.19
    Vishay
    -
    -
    60 mm
    Absolute
    Binary
    Screw Mount
    -
    Not Indexed
    -
    -
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