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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제품설명 단가 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 제품 번호 623-4079
제조사 부품 번호EC11B15244A7
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₩7,996.45
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15 Flat - - - Through Hole 20mm Not Indexed - - -
RS 제품 번호 729-5564
제조사 부품 번호EC11B15242AF
제조사Alps Alpine
₩9,493.75
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15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1 mm, 2.1 x 1.8 mm -
RS 제품 번호 172-8134
제조사 부품 번호EC11B15242AF
제조사Alps Alpine
₩6,742.50
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15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1 mm, 2.1 x 1.8 mm -
RS 제품 번호 172-8098
제조사 부품 번호EC12E2424407
제조사Alps Alpine
₩1,962.30
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24 Flat - - - Through Hole 14mm Not Indexed - - -
RS 제품 번호 623-4237
제조사 부품 번호EC12E2424407
제조사Alps Alpine
₩2,452.10
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24 Flat - - - Through Hole 14mm Not Indexed - - -
RS 제품 번호 729-5561
제조사 부품 번호EC11E15204A3
제조사Alps Alpine
₩3,671.95
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15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1 mm, 2.6 x 1.5 mm -
RS 제품 번호 729-5589
제조사 부품 번호EC11E15244G1
제조사Alps Alpine
₩5,927.20
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15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1 mm, 2.6 x 1.5 mm -
RS 제품 번호 189-4750
제조사 부품 번호AEAT-6012-A06
제조사Broadcom
₩34,169.75
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1024 (Positions) - 6 mm Absolute - Screw Mount 8.5mm - 12000rpm 17mm 20mA
RS 제품 번호 714-2693
제조사 부품 번호AEAT-6012-A06
제조사Broadcom
₩42,147.60
Each
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- Plain 6 mm Absolute - - 8.5mm - 12000rpm 0.13mm -
RS 제품 번호 172-7669
제조사 부품 번호EC11E15244G1
제조사Alps Alpine
₩4,595.75
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15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1 mm, 2.6 x 1.5 mm -
RS 제품 번호 729-5555
제조사 부품 번호EC11B15242AE
제조사Alps Alpine
₩10,753.90
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15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1 mm, 2.1 x 1.8 mm -
RS 제품 번호 623-4136
제조사 부품 번호EC11B202440M
제조사Alps Alpine
₩7,590.35
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20 Flat - - - Through Hole 20mm Not Indexed - - -
RS 제품 번호 172-6398
제조사 부품 번호EC11B15242AE
제조사Alps Alpine
₩8,438.20
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15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed - 1 mm, 2.1 x 1.8 mm -
RS 제품 번호 172-6422
제조사 부품 번호EC11EBB24C03
제조사Alps Alpine
₩21,126.50
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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 제품 번호 172-8066
제조사 부품 번호EC16B2410408
제조사Alps Alpine
₩1,915.80
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24 Flat 6 mm Incremental - Through Hole 25mm - - 1.2 mm, 2 x 2.1 mm -
RS 제품 번호 623-4293
제조사 부품 번호EC11E15244C0
제조사Alps Alpine
₩12,623.20
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15 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm - - 1 mm, 2.6 x 1.5 mm -
RS 제품 번호 167-4659
제조사 부품 번호PEC11R-4220F-S0024
제조사Bourns
₩1,736.00
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24 Flat 6 mm Incremental Digital Square Wave Through Hole 20mm Not Indexed 60rpm 1 mm, 2.6 x 1.8 mm -
RS 제품 번호 623-4221
제조사 부품 번호EC12E2420404
제조사Alps Alpine
₩2,577.65
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24 Flat - - - Through Hole 15mm Not Indexed - - -
RS 제품 번호 265-1723
제조사 부품 번호EC16B2410408
제조사Alps Alpine
₩2,543.55
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24 Flat 6 mm Incremental - Through Hole 25mm - - 1.2 mm, 2 x 2.1 mm 0.5mA
RS 제품 번호 729-5545
제조사 부품 번호EC10E1220505
제조사Alps Alpine
₩1,210.55
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12 Hollow 3.6 mm Incremental Digital Square Wave Through Hole - Not Indexed - 1 mm, 2.1 x 1.8 mm -