Optical Rotary Encoders

An optical rotary encoder is an angular position sensor. It converts an angular displacement directly into a digital form. There are usually three components in an optical rotary encoder: a light source (an LED), a sensor and a moveable disk.

How an optical rotary encoder works

Optical r...

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Grayhill 15 ppr Pulse Optical Encoder with a 3.18 mm Flat Shaft, Panel Mount
Grayhill 15 ppr Pulse Optical Encoder with a 3.18 mm Flat Shaft, Panel Mount
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RS Stock No.: 878-0482Brand: GrayhillManufacturers Part No.: 26GSD22-01-1-AJS

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Grayhill
15ppr
Optical Encoder
-
-
-
-
-
-
3.18mm
15.88mm
-
No
-
-
Panel Mount
Flat
-
-
-
-
Mechanical
RoHS Compliant
26
200 mA
-
Grayhill 5 V dc Optical Encoder with a 6.32 mm Flat Shaft, Panel Mount
Grayhill 5 V dc Optical Encoder with a 6.32 mm Flat Shaft, Panel Mount
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RS Stock No.: 878-0470Brand: GrayhillManufacturers Part No.: 62S11-M5-020C

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Grayhill
-
Optical Encoder
-
-
2 Bit Quadrature
-
5 V dc
-
6.32mm
17.45mm
249 in
No
-
-
Panel Mount
Flat
-
-
-
-
-
RoHS
62S
25 mA
-
Grayhill 28 V dc Mechanical Rotary Encoder with a 6.35 mm Flatted Shaft, Panel Mount
Grayhill 28 V dc Mechanical Rotary Encoder with a 6.35 mm Flatted Shaft, Panel Mount
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RS Stock No.: 878-0521Brand: GrayhillManufacturers Part No.: 25LB22-H

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Grayhill
-
Mechanical Rotary Encoder
-
-
Hex Code
-
28 V dc
-
6.35mm
19.05mm
0.375 in
No
-
-
Panel Mount
Flatted
-
-
-
-
Mechanical
ISO 9001
25L
-
-
Nidec Components 5 V dc 50 ppr Pulse Optical Encoder with a 6 mm Round Shaft, Cable Wire
Nidec Components 5 V dc 50 ppr Pulse Optical Encoder with a 6 mm Round Shaft, Cable Wire
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RS Stock No.: 182-5629Brand: Nidec ComponentsManufacturers Part No.: RECW20D-50-201-1

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Nidec Components
50ppr
Optical Encoder
-
-
Digital Square Wave
-
5 V dc
-
6mm
12mm
9 mm
No
-
-
-
Round
-
Cable Wire
-
-
-
RoHS
RE
50 mA
-
Nidec Components 5 to 12 V dc 1024 ppr Pulse Optical Encoder with a 4 mm Plain Shaft, Panel Mount, Cable
Nidec Components 5 to 12 V dc 1024 ppr Pulse Optical Encoder with a 4 mm Plain Shaft, Panel Mount, Cable
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RS Stock No.: 202-0443Brand: Nidec ComponentsManufacturers Part No.: RE30E-1024-213-1

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Nidec Components
1024ppr
Optical Encoder
-
-
Digital Square Wave
-
5 to 12 V dc
-
4mm
-
-
No
-
-
Panel Mount
Plain
-
Cable
-
-
Incremental
RoHS
RE30E
50 mA
-
Hengstler 7 to 30 V, 5 V 2048 ppr Pulse Absolute Encoder with a 8 mm Through Hollow Shaft Shaft, Spring
Hengstler 7 to 30 V, 5 V 2048 ppr Pulse Absolute Encoder with a 8 mm Through Hollow Shaft Shaft, Spring
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RS Stock No.: 666-6899Brand: HengstlerManufacturers Part No.: AD36/1213EF.0RSCB

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Hengstler
2048ppr
Absolute Encoder
-
-
Sinus-Cosinus 1 Vpp
-
7 to 30 V, 5 V
-
8mm
-
-
No
-
-
Spring
Through Hollow Shaft
-
-
10000rpm
-
Absolute Encoder
EN 60529, DIN EN 60068-2-6, DIN EN 60068-2-27
AD 36
100 mA
-
Nidec Components 5 to 12 V dc 1000 ppr Pulse Optical Encoder with a 4 mm Plain Shaft, Panel Mount, Cable
Nidec Components 5 to 12 V dc 1000 ppr Pulse Optical Encoder with a 4 mm Plain Shaft, Panel Mount, Cable
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RS Stock No.: 202-0442Brand: Nidec ComponentsManufacturers Part No.: RE30E-1000-213-1

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Nidec Components
1000ppr
Optical Encoder
-
-
Digital Square Wave
-
5 to 12 V dc
-
4mm
-
-
No
-
-
Panel Mount
Plain
-
Cable
-
-
Incremental
RoHS
RE30E
50 mA
-
Nidec Components 5 to 12 V dc 200 ppr Pulse Optical Encoder with a 4 mm Plain Shaft, Panel Mount, Cable
Nidec Components 5 to 12 V dc 200 ppr Pulse Optical Encoder with a 4 mm Plain Shaft, Panel Mount, Cable
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RS Stock No.: 202-0445Brand: Nidec ComponentsManufacturers Part No.: RE30E-200-213-1

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Nidec Components
200ppr
Optical Encoder
-
-
Digital Square Wave
-
5 to 12 V dc
-
4mm
-
-
No
-
-
Panel Mount
Plain
-
Cable
-
-
Incremental
RoHS Compliant
RE30E
50 mA
-
Hengstler 7/30 V dc Absolute Encoder with a 10 mm Solid Shaft Shaft, Flange, Radial Cable Outlet
Hengstler 7/30 V dc Absolute Encoder with a 10 mm Solid Shaft Shaft, Flange, Radial Cable Outlet
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RS Stock No.: 666-6864Brand: HengstlerManufacturers Part No.: 0541211

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Hengstler
-
Absolute Encoder
-
-
-
-
7/30 V dc
-
10mm
-
-
No
-
-
Flange
Solid Shaft
-
Radial Cable Outlet
10000rpm
-
Absolute
No
AC36
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-
Nidec Components 5 to 12 V dc 360 ppr Pulse Optical Encoder with a 4 mm Plain Shaft, Panel Mount, Cable
Nidec Components 5 to 12 V dc 360 ppr Pulse Optical Encoder with a 4 mm Plain Shaft, Panel Mount, Cable
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RS Stock No.: 202-0446Brand: Nidec ComponentsManufacturers Part No.: RE30E-360-213-1

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Nidec Components
360ppr
Optical Encoder
-
-
Digital Square Wave
-
5 to 12 V dc
-
4mm
-
-
No
-
-
Panel Mount
Plain
-
Cable
-
-
Incremental
RoHS Compliant
RE30E
50 mA
-
Bourns 5 V dc 15 ppr Pulse Optical Encoder
Bourns 5 V dc 15 ppr Pulse Optical Encoder
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RS Stock No.: 239-4184Brand: BournsManufacturers Part No.: PER601-P117-N0015

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Bourns
15ppr
Optical Encoder
-
-
2 Bit Quadrature
-
5 V dc
-
-
-
-
No
-
-
-
-
-
-
-
-
Incremental
AEC-Q, RoHS
PER60
-
-
Bourns 5 V dc 15 ppr Pulse Optical Encoder
Bourns 5 V dc 15 ppr Pulse Optical Encoder
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RS Stock No.: 239-4185Brand: BournsManufacturers Part No.: PER601-P117-N0015

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Bourns
15ppr
Optical Encoder
-
-
2 Bit Quadrature
-
5 V dc
-
-
-
-
No
-
-
-
-
-
-
-
-
Incremental
AEC-Q, RoHS
PER60
-
-
Baumer 4.75/30 V dc 100 ppr Pulse Optical Encoder with a 10 mm Solid Shaft, Flange, Connector
Baumer 4.75/30 V dc 100 ppr Pulse Optical Encoder with a 10 mm Solid Shaft, Flange, Connector
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RS Stock No.: 269-1694Brand: BaumerManufacturers Part No.: EIL580-SC10.5EQ.00100.A

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Baumer
100ppr
Optical Encoder
-
-
Digital
-
4.75/30 V dc
-
10mm
20mm
-
No
-
-
Flange
Solid
-
Connector
-
-
Incremental
UL 508, CSA 22.2, RoHS
EIL580-SC
-
-
Baumer 4.75/30 V dc 100 ppr Pulse Optical Encoder with a 12 mm Hollow Shaft, Flange, Connector
Baumer 4.75/30 V dc 100 ppr Pulse Optical Encoder with a 12 mm Hollow Shaft, Flange, Connector
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RS Stock No.: 269-1701Brand: BaumerManufacturers Part No.: EIL580-TT12.5EQ.00100.A

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Baumer
100ppr
Optical Encoder
-
-
Digital
-
4.75/30 V dc
-
12mm
-
-
No
-
-
Flange
Hollow
-
Connector
-
-
Incremental
UL 508, CSA 22.2, RoHS
EIL580-T
-
-
Baumer 4.75/30 V dc 1024 ppr Pulse Optical Encoder with a 12 mm Hollow Shaft, Flange, Connector
Baumer 4.75/30 V dc 1024 ppr Pulse Optical Encoder with a 12 mm Hollow Shaft, Flange, Connector
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RS Stock No.: 269-1705Brand: BaumerManufacturers Part No.: EIL580-TT12.5EQ.01024.A

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Baumer
1024ppr
Optical Encoder
-
-
Digital
-
4.75/30 V dc
-
12mm
-
-
No
-
-
Flange
Hollow
-
Connector
-
-
Incremental
CSA 22.2, UL 508, RoHS
EIL580-T
-
-
Baumer 4.75/30 V dc 200 ppr Pulse Optical Encoder with a 10 mm Solid Shaft, Flange, Connector
Baumer 4.75/30 V dc 200 ppr Pulse Optical Encoder with a 10 mm Solid Shaft, Flange, Connector
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RS Stock No.: 269-1695Brand: BaumerManufacturers Part No.: EIL580-SC10.5EQ.00200.A

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Baumer
200ppr
Optical Encoder
-
-
Digital
-
4.75/30 V dc
-
10mm
20mm
-
No
-
-
Flange
Solid
-
Connector
-
-
Incremental
RoHS, UL 508, CSA 22.2
EIL580-SC
-
-
Baumer 4.75/30 V dc 200 ppr Pulse Optical Encoder with a 12 mm Hollow Shaft, Flange, Connector
Baumer 4.75/30 V dc 200 ppr Pulse Optical Encoder with a 12 mm Hollow Shaft, Flange, Connector
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RS Stock No.: 269-1702Brand: BaumerManufacturers Part No.: EIL580-TT12.5EQ.00200.A

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Baumer
200ppr
Optical Encoder
-
-
Digital
-
4.75/30 V dc
-
12mm
-
-
No
-
-
Flange
Hollow
-
Connector
-
-
Incremental
CSA 22.2, UL 508, RoHS
EIL580-T
-
-
Baumer 4.75/30 V dc 2500 ppr Pulse Optical Encoder with a 12 mm Hollow Shaft, Flange, Connector
Baumer 4.75/30 V dc 2500 ppr Pulse Optical Encoder with a 12 mm Hollow Shaft, Flange, Connector
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RS Stock No.: 269-1706Brand: BaumerManufacturers Part No.: EIL580-TT12.5EQ.02500.A

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Baumer
2500ppr
Optical Encoder
-
-
Digital
-
4.75/30 V dc
-
12mm
-
-
No
-
-
Flange
Hollow
-
Connector
-
-
Incremental
RoHS, CSA 22.2, UL 508
EIL580-T
-
-
Baumer 4.75/30 V dc 360 ppr Pulse Optical Encoder with a 12 mm Hollow Shaft, Flange, Connector
Baumer 4.75/30 V dc 360 ppr Pulse Optical Encoder with a 12 mm Hollow Shaft, Flange, Connector
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RS Stock No.: 269-1703Brand: BaumerManufacturers Part No.: EIL580-TT12.5EQ.00360.A

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Baumer
360ppr
Optical Encoder
-
-
Digital
-
4.75/30 V dc
-
12mm
-
-
No
-
-
Flange
Hollow
-
Connector
-
-
Incremental
CSA 22.2, RoHS, UL 508
EIL580-T
-
-
Baumer 4.75/30 V dc 500 ppr Pulse Optical Encoder with a 10 mm Solid Shaft, Flange, Connector
Baumer 4.75/30 V dc 500 ppr Pulse Optical Encoder with a 10 mm Solid Shaft, Flange, Connector
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RS Stock No.: 269-1696Brand: BaumerManufacturers Part No.: EIL580-SC10.5EQ.00500.A

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Baumer
500ppr
Optical Encoder
-
-
Digital
-
4.75/30 V dc
-
10mm
20mm
-
No
-
-
Flange
Solid
-
Connector
-
-
Incremental
RoHS, UL 508, CSA 22.2
EIL580-SC
-
-