Whether you're looking for an incremental or absolute solution, US Digital offers a range of motor encoders designed for easy integration. These encoder kits mount directly to a motor shaft or another rotating shaft within your mechanical system. For more information about motor encoders, see this blog post.
Incremental Encoder
US Digital’s quadrature encoder kits serve a wide variety of applications. They support shaft sizes from as small as 1.5 mm to as large as 1 inch and are compatible with motor frame sizes from NEMA 6 to NEMA 34. Some are available with differential or open collector output and many have an index option.
Miniature
Motor Encoders
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Model
Cycles per Revolution (CPR)
Compatible Shaft Sizes
Compatible Motor Sizes
Output Options
Index
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E16 Motor Encoder
10 Resolutions from 250-4,096
1.5mm & 2mm
NEMA 6
Single-ended
Yes
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E4T Motor Encoder
19 Resolutions from 100-1,000
11 Sizes from 2mm-0250 in.
NEMA 8-17
Single-ended or Differential
No
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E8T Motor Encoder
9 Resolutions from 180-720
10 Sizes from 3mm-0.375 in.
NEMA 11-23
Single-ended or Differential
No
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Industry Standard
Motor Encoders
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Model
Cycles per Revolution (CPR)
Compatible Shaft Sizes
Compatible Motor Sizes
Output Options
Index
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E5 Motor Encoder
25 Resolutions from 32-5,000
14 Sizes from 2mm-10mm
NEMA 17-34
Single-ended, Differential or High-Voltage
Yes
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E6 Motor Encoder
21 Resolutions from 64-10,000
22 Sizes from 2mm-1 in.
NEMA 23-34
Single-ended, Differential or High-Voltage
Yes
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Specialty
Motor Encoders
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Model
Cycles per Revolution (CPR)
Compatible Shaft Sizes
Compatible Motor Sizes
Output Options
Index
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HB5M Motor Encoder
25 Resolutions from 32-5,000
5 Sizes from 5mm-8mm
NEMA 17-34
Single-ended, Differential or High-Voltage
Yes
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HB6M Motor Encoder
21 resolutions from 64-10,000
11 Sizes from 6mm-0.750 in.
NEMA 23-34
Single-ended, Differential or High-Voltage
Yes
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EC35 Motor Encoder
11 Resolutions from 500-60,000
5 Sizes from 5mm-0.375 in.
NEMA 17-34
Open-Collector, Differential or Commutation
No
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Legacy
Motor Encoders
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Model
Cycles per Revolution (CPR)
Compatible Shaft Sizes
Compatible Motor Sizes
Output Options
Index
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E2 Motor Encoder
25 Resolutions from 32-5,000
14 Sizes from 2mm-10mm
NEMA 17-34
Single-ended
Yes
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E3 Motor Encoder
21 Resolutions from 64-10,000
22 Sizes from 2mm-1 in.
NEMA 23-34
Single-ended
Yes
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Absolute Encoder
When you need to know shaft position immediately, even after a power cycle, check out US Digital’s Absolute encoders with 12-bit resolution. Some support shaft sizes from 2.0mm to 10.0mm diameters. Outputs include analog voltage, PWM, and US Digital’s SEI protocol.
