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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Omschrijving Prijs 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-stocknr. 789-9658
FabrikantnummerPEC12R-4217F-S0012
FabrikantBourns
1,15 €
Each
Aantal stuks
12 Flat 6 mm Incremental Digital Square Wave Through Hole 17.5mm Not Indexed 100rpm 1 mm, 2 x 2.1 mm -
RS-stocknr. 172-8123
FabrikantnummerEC11B152420G
FabrikantAlps Alpine
3,279 €
Each (In a Tray of 70)
Aantal stuks
15 Slot - Incremental Digital Square Wave Through Hole 25mm - - 1 mm, 2.1 x 1.8 mm -
RS-stocknr. 729-5555
FabrikantnummerEC11B15242AE
FabrikantAlps Alpine
4,66 €
Each
Aantal stuks
15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 2.1 x 1.8 mm, 1 mm -
RS-stocknr. 729-5589
FabrikantnummerEC11E15244G1
FabrikantAlps Alpine
3,21 €
Each
Aantal stuks
15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 2.6 x 1.5 mm, 1 mm -
RS-stocknr. 172-6281
FabrikantnummerEC10E1220505
FabrikantAlps Alpine
0,534 €
Each (In a Bag of 400)
Aantal stuks
12 Hollow 3.6 mm Incremental Digital Square Wave Through Hole - Not Indexed - 1 mm, 2.1 x 1.8 mm -
RS-stocknr. 172-6398
FabrikantnummerEC11B15242AE
FabrikantAlps Alpine
3,298 €
Each (In a Tray of 70)
Aantal stuks
15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1 mm, 2.1 x 1.8 mm -
RS-stocknr. 172-7669
FabrikantnummerEC11E15244G1
FabrikantAlps Alpine
2,609 €
Each (In a Tray of 120)
Aantal stuks
15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1 mm, 2.6 x 1.5 mm -
RS-stocknr. 729-5545
FabrikantnummerEC10E1220505
FabrikantAlps Alpine
0,93 €
Each
Aantal stuks
12 Hollow 3.6 mm Incremental Digital Square Wave Through Hole - Not Indexed - 1 mm, 2.1 x 1.8 mm -
RS-stocknr. 178-2944
FabrikantnummerAEAT-6010-A06
FabrikantBroadcom
17,992 €
Each (In a Tray of 280)
Aantal stuks
- Plain 6 mm Absolute - Screw Mount 8.5mm Not Indexed 12000rpm 0.13mm -
RS-stocknr. 714-0234
FabrikantnummerAEAT-6010-A06
FabrikantBroadcom
23,57 €
Each
Aantal stuks
- Plain 6 mm Absolute - Screw Mount 8.5mm Not Indexed 12000rpm 0.13mm -
RS-stocknr. 263-2918
FabrikantnummerEAW0J-B24-AE0128L
FabrikantBourns
7,32 €
Each
Aantal stuks
128 Plain with Slot 6.35 mm Absolute Digital Bracket Mount 19.05mm Not Indexed 120rpm 9mm -
RS-stocknr. 167-3625
FabrikantnummerEAW0J-B24-AE0128L
FabrikantBourns
5,875 €
Each (In a Tray of 45)
Aantal stuks
128 Plain with Slot 6.35 mm Absolute Digital Bracket Mount 19.05mm Not Indexed 120rpm 9mm -
RS-stocknr. 729-5836
FabrikantnummerEC12E2420801
FabrikantAlps Alpine
1,67 €
Each
Aantal stuks
24 Flat 6 mm Incremental Digital Square Wave Through Hole 25mm Not Indexed - 2.1 x 2 mm, 1 mm -
RS-stocknr. 172-8098
FabrikantnummerEC12E2424407
FabrikantAlps Alpine
1,24 €
Each (In a Tray of 120)
Aantal stuks
24 Flat - - - Through Hole 14mm Not Indexed - - -
RS-stocknr. 623-4136
FabrikantnummerEC11B202440M
FabrikantAlps Alpine
3,11 €
Each
Aantal stuks
20 Flat - - - Through Hole 20mm Not Indexed - - -
RS-stocknr. 167-5393
FabrikantnummerPEC11R-4215K-N0024
FabrikantBourns
1,056 €
Each (In a Bag of 75)
Aantal stuks
24 Knurl 6 mm Incremental Digital Square Wave Through Hole 15mm Indexed 60rpm 1 mm, 2.6 x 1.8 mm -
RS-stocknr. 172-6354
FabrikantnummerEC05E1220203
FabrikantAlps Alpine
1,523 €
Each (On a Reel of 1000)
Aantal stuks
12 Hollow 2 mm Incremental - Bracket Mount, Surface Mount - Not Indexed - 1.5mm -
RS-stocknr. 729-5533
FabrikantnummerEC09E1524405
FabrikantAlps Alpine
5,40 €
Each
Aantal stuks
15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1 mm, 1.2 mm, 2 mm -
RS-stocknr. 167-5391
FabrikantnummerPEC11R-4020K-S0024
FabrikantBourns
0,979 €
Each (In a Bag of 75)
Aantal stuks
24 Knurl 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed 60rpm 1 mm, 2.6 x 1.8 mm -
RS-stocknr. 623-4142
FabrikantnummerEC11B2020201
FabrikantAlps Alpine
1,32 €
Each
Aantal stuks
20 Flat - - - Through Hole 20mm Not Indexed - - -
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