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. 623-4237
FabrikantnummerEC12E2424407
FabrikantAlps Alpine
€ 1,38
Each
Aantal stuks
24 Flat - - - Through Hole 14mm Not Indexed - - -
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. 663-3227
FabrikantnummerDPL12SV2424A25K2
FabrikantTE Connectivity
€ 5,01
Each
Aantal stuks
24 Knurl 6.8 mm Incremental Digital Square Wave Through Hole 25mm Not Indexed 60rpm 1 mm, 1.1 mm -
RS-stocknr. 164-0518
FabrikantnummerDPL12SV2424A25K2
FabrikantTE Connectivity
€ 3.575,04
1 Box of 1000
Box(es)
24 Knurl 6.8 mm Incremental Digital Square Wave Through Hole 25mm Not Indexed 60rpm 1 mm, 1.1 mm -
RS-stocknr. 167-4659
FabrikantnummerPEC11R-4220F-S0024
FabrikantBourns
€ 1,037
Each (In a Bag of 75)
Aantal stuks
24 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed 60rpm 1 mm, 2.6 x 1.8 mm -
RS-stocknr. 737-7767
FabrikantnummerPEC11R-4220F-S0024
FabrikantBourns
€ 1,48
Each
Aantal stuks
24 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed 60rpm 1 mm, 2.6 x 1.8 mm -
RS-stocknr. 737-7773
FabrikantnummerPEC12R-4220F-S0024
FabrikantBourns
€ 1,10
Each
Aantal stuks
24 Flat 6 mm Incremental Digital Square Wave Through Hole 14mm Not Indexed 100rpm 1 mm, 2.1 x 2 mm -
RS-stocknr. 167-4660
FabrikantnummerPEC12R-4220F-S0024
FabrikantBourns
€ 0,769
Each (In a Bag of 75)
Aantal stuks
24 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed 100rpm 1 mm, 2.1 x 2 mm -
RS-stocknr. 265-1739
FabrikantnummerEC16B242040R
FabrikantAlps Alpine
€ 1,10
Each
Aantal stuks
24 Flat 6 mm Incremental - Through Hole 25mm - - 1.2 mm, 2 x 2.1 mm -
RS-stocknr. 172-6320
FabrikantnummerEC16B242040R
FabrikantAlps Alpine
€ 1,167
Each (In a Tray of 60)
Aantal stuks
24 Flat 6 mm Incremental - Through Hole 25mm - - 1.2 mm, 2 x 2.1 mm -
RS-stocknr. 729-5797
FabrikantnummerEC12E24204A2
FabrikantAlps Alpine
€ 1,04
Each
Aantal stuks
24 Flat 6 mm Incremental Digital Square Wave Through Hole 15mm Not Indexed - 1 mm, 2.1 x 2 mm -
RS-stocknr. 172-8066
FabrikantnummerEC16B2410408
FabrikantAlps Alpine
€ 1,343
Each (In a Tray of 60)
Aantal stuks
24 Flat 6 mm Incremental - Through Hole 25mm - - 1.2 mm, 2 x 2.1 mm -
RS-stocknr. 265-1723
FabrikantnummerEC16B2410408
FabrikantAlps Alpine
€ 1,72
Each
Aantal stuks
24 Flat 6 mm Incremental - Through Hole 25mm - - 1.2 mm, 2 x 2.1 mm 0.5mA
RS-stocknr. 714-2693
FabrikantnummerAEAT-6012-A06
FabrikantBroadcom
€ 24,40
Each
Aantal stuks
- Plain 6 mm Absolute - - 8.5mm - 12000rpm 0.13mm -
RS-stocknr. 167-5385
FabrikantnummerPEC11R-4220K-S0024
FabrikantBourns
€ 1,235
Each (In a Bag of 75)
Aantal stuks
24 Knurl 6 mm Incremental Digital Square Wave Through Hole 20mm - 60rpm 1mm -
RS-stocknr. 781-6830
FabrikantnummerPEC11R-4220K-S0024
FabrikantBourns
€ 1,73
Each
Aantal stuks
24 Knurl 6 mm Incremental Digital Square Wave Through Hole 20mm - 60rpm 1mm -
RS-stocknr. 623-4221
FabrikantnummerEC12E2420404
FabrikantAlps Alpine
€ 0,64
Each
Aantal stuks
24 Flat - - - Through Hole 15mm Not Indexed - - -
RS-stocknr. 172-8047
FabrikantnummerEC12E2420404
FabrikantAlps Alpine
€ 0,798
Each (In a Tray of 120)
Aantal stuks
24 Flat - - - Through Hole 15mm Not Indexed - - -
RS-stocknr. 729-5637
FabrikantnummerEC11K1525401
FabrikantAlps Alpine
€ 2,37
Each
Aantal stuks
15 Flat 5.975 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1.05 mm, 1.6 x 1.9 mm, 2.1 mm, 2.65 x 1.55 mm -
RS-stocknr. 172-7678
FabrikantnummerEC11K1525401
FabrikantAlps Alpine
€ 2,261
Each (In a Tray of 100)
Aantal stuks
15 Flat 5.975 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1.05 mm, 1.6 x 1.9 mm, 2.1 mm, 2.65 x 1.55 mm -
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