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. 737-7767
FabrikantnummerPEC11R-4220F-S0024
FabrikantBourns
€ 1,34
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. 167-4659
FabrikantnummerPEC11R-4220F-S0024
FabrikantBourns
€ 1,046
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. 167-4660
FabrikantnummerPEC12R-4220F-S0024
FabrikantBourns
€ 0,776
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. 737-7773
FabrikantnummerPEC12R-4220F-S0024
FabrikantBourns
€ 1,07
Each
Aantal stuks
24 Flat 6 mm Incremental Digital Square Wave Through Hole 9mm Not Indexed 100rpm 1 mm, 2.1 x 2 mm -
RS-stocknr. 167-5385
FabrikantnummerPEC11R-4220K-S0024
FabrikantBourns
€ 1,078
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
€ 1,38
Each
Aantal stuks
24 Knurl 6 mm Incremental Digital Square Wave Through Hole 20mm - 60rpm 1mm -
RS-stocknr. 781-6827
FabrikantnummerPEC11R-4120F-S0018
FabrikantBourns
€ 1,57
Each
Aantal stuks
18 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm - 60rpm 1mm -
RS-stocknr. 167-5429
FabrikantnummerPEC11R-4120F-S0018
FabrikantBourns
€ 1,137
Each (In a Bag of 75)
Aantal stuks
18 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm - 60rpm 1mm -
RS-stocknr. 737-7758
FabrikantnummerPEC11R-4220F-S0012
FabrikantBourns
€ 1,34
Each
Aantal stuks
12 Flat 6 mm Incremental Digital Square Wave - 20mm Not Indexed 60rpm 7mm -
RS-stocknr. 167-4653
FabrikantnummerPEC11R-4215F-S0024
FabrikantBourns
€ 1,121
Each (In a Bag of 75)
Aantal stuks
24 Flat 6 mm Incremental Digital Square Wave Through Hole 15mm Not Indexed 60rpm 1 mm, 2.6 x 1.8 mm -
RS-stocknr. 737-7748
FabrikantnummerPEC11R-4215F-S0024
FabrikantBourns
€ 1,44
Each
Aantal stuks
24 Flat 6 mm Incremental Digital Square Wave Through Hole 15mm Not Indexed 60rpm 1 mm, 2.6 x 1.8 mm -
RS-stocknr. 167-4656
FabrikantnummerPEC11R-4220F-S0012
FabrikantBourns
€ 1,046
Each (In a Bag of 75)
Aantal stuks
12 Flat 6 mm Incremental Digital Square Wave - 20mm Not Indexed 60rpm 7mm -
RS-stocknr. 167-3572
FabrikantnummerECW0J-B24-AC0006L
FabrikantBourns
€ 3,363
Each (In a Tray of 45)
Aantal stuks
6 Plain with Slot 6.35 mm Incremental Digital Square Wave Panel Mount 19mm Not Indexed 120rpm 9mm -
RS-stocknr. 167-5309
FabrikantnummerPEC12R-4230F-S0024
FabrikantBourns
€ 0,852
Each (In a Bag of 75)
Aantal stuks
24 Flat 6 mm Incremental Digital Square Wave Through Hole 30mm - 100rpm 1mm -
RS-stocknr. 781-6809
FabrikantnummerPEC12R-4230F-S0024
FabrikantBourns
€ 1,11
Each
Aantal stuks
24 Flat 6 mm Incremental Digital Square Wave Through Hole 30mm - 100rpm 1mm -
RS-stocknr. 263-2839
FabrikantnummerECW0J-B24-AC0006L
FabrikantBourns
€ 4,08
Each
Aantal stuks
6 Plain with Slot 6.35 mm Incremental Digital Square Wave Panel Mount 19mm Not Indexed 120rpm 9mm -
RS-stocknr. 737-7732
FabrikantnummerPEC11R-4020F-S0024
FabrikantBourns
€ 1,34
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. 167-4648
FabrikantnummerPEC11R-4020F-S0024
FabrikantBourns
€ 1,046
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. 789-9523
FabrikantnummerPEC11R-4115K-S0018
FabrikantBourns
€ 1,57
Each
Aantal stuks
18 Knurl 6 mm Incremental Digital Square Wave Through Hole 15mm Not Indexed 60rpm 1 mm, 2.6 x 1.8 mm -
RS-stocknr. 167-5390
FabrikantnummerPEC11R-4115K-S0018
FabrikantBourns
€ 1,197
Each (In a Bag of 75)
Aantal stuks
18 Knurl 6 mm Incremental Digital Square Wave Through Hole 15mm Not Indexed 60rpm 1 mm, 2.6 x 1.8 mm -