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.

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Beskrivning Pris Pulses Per Revolution Shaft Style Shaft Diameter Encoder Reading Encoder Signal Mounting Type Shaft Length Index Output Maximum Operating Speed Mounting Hole Diameter Current Rating
RS-artikelnummer 172-6320
Tillv. art.nrEC16B242040R
VarumärkeAlps Alpine
12,063 kr
Each (In a Tray of 60)
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24 Flat 6 mm Incremental - Through Hole 25mm - - 1.2 mm, 2 x 2.1 mm -
RS-artikelnummer 263-2918
Tillv. art.nrEAW0J-B24-AE0128L
VarumärkeBourns
67,11 kr
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128 Plain with Slot 6.35 mm Absolute Digital Bracket Mount 19.05mm Not Indexed 120rpm 9mm -
RS-artikelnummer 265-1739
Tillv. art.nrEC16B242040R
VarumärkeAlps Alpine
11,37 kr
Each
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24 Flat 6 mm Incremental - Through Hole 25mm - - 1.2 mm, 2 x 2.1 mm -
RS-artikelnummer 167-3625
Tillv. art.nrEAW0J-B24-AE0128L
VarumärkeBourns
57,456 kr
Each (In a Tray of 45)
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128 Plain with Slot 6.35 mm Absolute Digital Bracket Mount 19.05mm Not Indexed 120rpm 9mm -
RS-artikelnummer 172-8066
Tillv. art.nrEC16B2410408
VarumärkeAlps Alpine
13,883 kr
Each (In a Tray of 60)
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24 Flat 6 mm Incremental - Through Hole 25mm - - 1.2 mm, 2 x 2.1 mm -
RS-artikelnummer 172-6422
Tillv. art.nrEC11EBB24C03
VarumärkeAlps Alpine
128,467 kr
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15 Flat (Inner Shaft), Slot (Outer Shaft) 3.5 (Inner Shaft) mm, 6 (Outer Shaft) mm Incremental Digital Square Wave Through Hole 25mm Not Indexed - 1 mm, 2.6 x 1.5 mm -
RS-artikelnummer 729-5703
Tillv. art.nrEC11EBB24C03
VarumärkeAlps Alpine
140,00 kr
Each
Enheter
15 Flat (Inner Shaft), Slot (Outer Shaft) 3.5 (Inner Shaft) mm, 6 (Outer Shaft) mm Incremental Digital Square Wave Through Hole 25mm Not Indexed - 1 mm, 2.6 x 1.5 mm -
RS-artikelnummer 265-1723
Tillv. art.nrEC16B2410408
VarumärkeAlps Alpine
17,78 kr
Each
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24 Flat 6 mm Incremental - Through Hole 25mm - - 2 x 2.1 mm, 1.2 mm 0.5mA
RS-artikelnummer 729-5527
Tillv. art.nrEC05E1220203
VarumärkeAlps Alpine
23,27 kr
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12 Hollow 2 mm Incremental - Bracket Mount, Surface Mount - Not Indexed - 1.5mm -
RS-artikelnummer 172-8098
Tillv. art.nrEC12E2424407
VarumärkeAlps Alpine
19,431 kr
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24 Flat - - - Through Hole 14mm Not Indexed - - -
RS-artikelnummer 623-4237
Tillv. art.nrEC12E2424407
VarumärkeAlps Alpine
30,61 kr
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24 Flat - - - Through Hole 14mm Not Indexed - - -
RS-artikelnummer 789-9658
Tillv. art.nrPEC12R-4217F-S0012
VarumärkeBourns
11,89 kr
Each
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12 Flat 6 mm Incremental Digital Square Wave Through Hole 17.5mm Not Indexed 100rpm 1 mm, 2 x 2.1 mm -
RS-artikelnummer 167-5401
Tillv. art.nrPEC12R-4217F-S0012
VarumärkeBourns
10,448 kr
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12 Flat 6 mm Incremental Digital Square Wave Through Hole 17.5mm Not Indexed 100rpm 1 mm, 2 x 2.1 mm -
RS-artikelnummer 781-6830
Tillv. art.nrPEC11R-4220K-S0024
VarumärkeBourns
17,89 kr
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24 Knurl 6 mm Incremental Digital Square Wave Through Hole 20mm - 60rpm 1mm -
RS-artikelnummer 167-5385
Tillv. art.nrPEC11R-4220K-S0024
VarumärkeBourns
12,765 kr
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24 Knurl 6 mm Incremental Digital Square Wave Through Hole 20mm - 60rpm 1mm -
RS-artikelnummer 729-5817
Tillv. art.nrEC12E24404A8
VarumärkeAlps Alpine
13,03 kr
Each
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24 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1 mm, 2.1 x 2 mm -
RS-artikelnummer 789-9649
Tillv. art.nrPEC12R-4025F-S0024
VarumärkeBourns
11,48 kr
Each
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24 Flat 6 mm Incremental Digital Square Wave Through Hole 25mm Not Indexed 100rpm 1 mm, 2 x 2.1 mm -
RS-artikelnummer 729-5889
Tillv. art.nrEM20B4014000
VarumärkeAlps Alpine
387,03 kr
Each
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40 Flat 4 mm Incremental Digital Square Wave Through Hole 16mm Not Indexed - 2.6 x 1.8 mm, 0.6 mm -
RS-artikelnummer 729-5555
Tillv. art.nrEC11B15242AE
VarumärkeAlps Alpine
57,18 kr
Each
Enheter
15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 2.1 x 1.8 mm, 1 mm -
RS-artikelnummer 167-5088
Tillv. art.nrPEC11R-4020F-N0012
VarumärkeBourns
11,349 kr
Each (In a Bag of 75)
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12 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed 60rpm 1 mm, 2.6 x 1.8 mm -
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