Rotary Encoders

Rotary Encoders are devices that convert a motion into an analogue or digital signal. These devices are electro-mechanical sensors that monitor the position of the shaft or axle and convert it into the signal readable for digital devices. Rotary Encoders are also known as shaft encoders.
Rotary Encoders can be divided into 2 main types:
· Absolute – Digital Absolute encoders produce a unique digital code for each angle of shaft. These type of encoders maintains position information when a system power is off. The position of encoder is available again on applying power. The relationship between the encoder value and the physical position of the controlled machinery is set at assembly, the system does not need to return to a calibration point to maintain position accuracy.
Types of absolute encoders:
o Mechanical
o Optical
o Magnetic
o Capacitive
· Incremental – These encoders accurately records the changes in position of the shaft but does not power up with fixed relation between encoder state and physical position. The point where the counting begins depends on the external device counting system and not the position of the encoder. To provide useful position information, the encoder position must be referenced to the device to which is attached.
Rotary Encoders are commonly used in many applications that require precise shaft unlimited rotation. It means they can be used across industries such as robotics industry, electronic industry, and machinery production but are also very popular parts of many household devices.

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Description Price Pulses Per Revolution Encoder Technology Maximum Revolutions Output Signal Type Shaft Type Shaft Diameter Supply Voltage Resolution Steps Per Revolution IP Rating Interface Overall Height Overall Width Overall Depth
RS Stock No. 860-2792
Mfr. Part No.SR060E-25-2-3-132-V100
BrandKubler
SGD566.71
Each
units
- - 500rpm - Hollow 25mm 240 V ac/dc - - IP64 - - 58mm 89mm
RS Stock No. 441-6112
Mfr. Part No.8.3720.5621.0500
BrandKubler
SGD236.68
Each
units
500 Incremental 6000rpm Push Pull Hollow 8mm 5 → 30 V dc - - IP65 - 44.5mm - -
RS Stock No. 918-9086
Mfr. Part No.8.KIS40.1362.1024
BrandKubler
SGD166.86
Each
units
1024 Incremental - RS422 Solid 6mm 5 V dc - - IP64 RS422 - 40mm 61.3mm
RS Stock No. 436-0378
Mfr. Part No.05.2400.1122.0360
BrandKubler
SGD191.99
Each
units
360 Incremental 12000rpm Push Pull - - 5 → 24 V dc - - IP65 - 31mm - -
RS Stock No. 918-9095
Mfr. Part No.8.KIS40.1362.2048
BrandKubler
SGD178.20
Each
units
2048 Incremental - RS422 Solid 6mm 5 V dc - - IP64 RS422 - 40mm 61.3mm
RS Stock No. 447-6221
Mfr. Part No.D5.2102.2421.1000
BrandKubler
SGD749.45
Each
units
- - - - - - - - - - - - - -
RS Stock No. 441-6106
Mfr. Part No.8.3720.5621.0360
BrandKubler
SGD236.68
Each
units
360 Incremental 6000rpm Push Pull Hollow 8mm 5 → 30 V dc - - IP65 - 44.5mm - -
RS Stock No. 860-2733
Mfr. Part No.8.5000.B157.5000
BrandKubler
SGD404.71
Each
units
5000 Incremental 12000rpm Push Pull Solid 6mm 10 → 30 V dc - - IP65 - 71.4mm 50.8mm 64mm
RS Stock No. 651-5851
Mfr. Part No.HYTREL KIT
BrandKubler
SGD708.68
1 Kit of 1
Kit(s)
- - - - - - - - - - - - - -
RS Stock No. 447-6215
Mfr. Part No.D5.2102.2441.1000
BrandKubler
SGD600.55
Each
units
- - - - - - - - - - - - - -
RS Stock No. 441-6162
Mfr. Part No.8.3720.5611.1024
BrandKubler
SGD242.84
Each
units
1024 Incremental 6000rpm TTL Hollow 8mm 5 V dc - - IP67 - 34mm - -
RS Stock No. 447-6209
Mfr. Part No.D5.3501.A111.0000
BrandKubler
SGD457.04
Each
units
- Linear Measuring - Analogue - - 15 → 28 V dc - - - - 40mm 55mm 40mm
RS Stock No. 375-1290
Mfr. Part No.8.5000.8358.0500
BrandKubler
SGD309.26
Each
units
500 Incremental 12000rpm Push Pull Solid 12mm 10 → 30 V dc - - IP65 - 71mm - -
RS Stock No. 447-6192
Mfr. Part No.D5.3501.A221.0000
BrandKubler
SGD570.45
Each
units
- - - - - - - - - - - - - -
RS Stock No. 918-9076
Mfr. Part No.8.KIS40.1342.1024
BrandKubler
SGD179.86
Each
units
1024 Incremental - Push Pull Solid 6mm 10 → 30 V dc - - IP64 - - 40mm 61.3mm
RS Stock No. 447-6186
Mfr. Part No.D5.3501.A331.0000
BrandKubler
SGD367.69
Each
units
- Linear Measuring - Analogue - - - - - - - 40mm 55mm 40mm
RS Stock No. 441-6128
Mfr. Part No.8.3720.5621.1000
BrandKubler
SGD256.40
Each
units
1000 Incremental 6000rpm Push Pull Hollow 8mm 5 → 30 V dc - - IP65 - 44.5mm - -
RS Stock No. 441-6061
Mfr. Part No.8.3700.1322.1024
BrandKubler
SGD206.66
Each
units
1024 Incremental 6000rpm Push Pull Solid 6mm 5 → 30 V dc - - IP67 - 45.5mm - -
RS Stock No. 918-9118
Mfr. Part No.8.KIH40.5442.1024
BrandKubler
SGD209.45
Each
units
1024 Incremental - Push Pull Hollow 8mm 10 → 30 V dc - - IP64 - - 46mm 59.7mm
RS Stock No. 441-6134
Mfr. Part No.8.3720.5621.1024
BrandKubler
SGD256.40
Each
units
1024 Incremental 6000rpm Push Pull Hollow 8mm 5 → 30 V dc - - IP65 - 44.5mm - -