Hollow shaft encoders are designed with either a through-bored shaft or a blind-bored shaft, and intended to mount directly onto a motor or other shaft. This eliminates the need for a shaft to shaft coupling and mounting adapter, resulting in both space and cost savings. The encoder "floats" on the motor shaft. A tether or flexible mounting bracket prevents the encoder from turning, yet accommodates shaft-to-shaft misalignment.
HS20 - Up to 5/8" / 16mm Diameter Hollow Shaft
The model HS20 is an optical hollow shaft encoder in a 2" diameter housing that mounts directly on an existing shaft assembly. A flexible mounting bracket or tether allows the encoder to float on the shaft without rotating. The HS20 generates up to 3 square wave outputs.
Standard Features and Options:
- Up to 5/8" or 16mm shaft bore
- Unbreakable code disk
- Up to 1200 pulses per revolution
- Attached cable or optional connector
- Heavy duty bearings
- Short circuit and ESD protected
Popular Models:
- HS20.405-5AJ/8-30S M210
- HS20.5QZ-1200/8-30
- HS20.625-100AJ/8-30S3
- HS20.625Q-1000/8-30DS
- HS20.625Q-256/8-30DS
- HS20.625Q-32/8-30DS
- HS20.625Q-600/8-30D
- HS20.625Q-64/8-30DS
- HS20.625Q-64/8-30DS M203
- HS20.625QZ-360/5S
- HS20B-1200/8-30S
- HS20BQ-120/5D
- HS20BQ-1200/8-30S
- HS20M10-5AJ/8-30 M203
- HS20M10-5AJ/8-30S3 M203
- HS20M12Q-50/8-30DS
- HS20M14QZ-125/5C
- HS20M14QZ-35/8-30C
- HS20M8Q-1000/8-30
HS25 - 3/8" Diameter Hollow Shaft
The model HS25 is an optical hollow shaft encoder in a 2-1/2" diameter housing that mounts directly on an existing shaft assembly. An anti-rotation pin or flexible mounting bracket allows the encoder to float on the shaft without rotating. The HS25 generates up to 3 square wave outputs.
Standard Features and Options:
- Up to 3/8" or 10mm shaft bore diameter
- Up to 600 pulses per revolution
- Single, quadrature, and index outputs
- Direction indicator output option
- Anti-jitter feature option
- ESD and short circuit protection on most models
- 5 vdc, 8 to 30 vdc, and other supply voltages
- 9-pin D-Sub or 4-pin M12 connector
Popular Models:
- HS25B-1000/8-30
- HS25B-10AJ/24P
- HS25B-1200/24
- HS25B-1200/8-30
- HS25B-240/8-30
- HS25B-600/24
- HS25B-600/8-30
- HS25B-920/8-30C
- HS25BQ-240/24
- HS25BQZ-360/5C
- HS25CQ-360/3/8-30C M158 M179
HS30 - Up to 1-1/8" / 28mm Diameter Hollow Shaft
The model HS30 is an optical hollow shaft encoder in a 3" diameter housing that mounts directly on an existing shaft assembly. A flexible mounting bracket or tether allows the encoder to float on the shaft without rotating. The HS30 generates up to 3 square wave outputs.
Standard Features and Options:
- Up to 1/8" or 28mm shaft bore
- Unbreakable code disk
- Up to 1200 pulses per revolution
- Attached cable or optional connector
- Heavy duty bearings
- Short circuit and ESD protected
Popular Models:
- HS30.5Q-500/5S1
- HS301.0Q-16/8-30DS
- HS301.125QZ-1200/8-30DS1
- HS30M25Q-600/8-30
- HS30M25QZ-360/8-30
- HS30M25QZ-360/8-30S
HRL - Hollow Shaft that fits up to 1" (25mm) diameter shaft
The model HRL is an optical hollow shaft encoder with up to a 1" / 25mm blind shaft bore in a heavy duty aluminum style housing that mounts directly on an existing shaft assembly. A flexible mounting bracket or tether allows the encoder to float on the shaft without rotating. The HRL generates up to 3 square wave outputs.
Standard Features and Options:
Popular Models:
- HRL.625-436/8-30C M162 M164
- HRL1-168/5 M180
- HRL1-360/24
- HRL1Q-200/12C
HRS - Cube Style Hollow Shaft fits 1" (25mm) shaft
The model HRS is an optical hollow shaft encoder with up to a 1" / 25mm blind shaft bore in a standard 2-1/4" cube style housing that mounts directly on an existing shaft assembly. A flexible mounting bracket or other type of tether allows the encoder to float on the shaft without rotating. The HRS generates up to 3 square wave outputs.
Standard Features and Options:
- CE Marked
- Surge protection available
- Short circuit and ESD protection are available on most models with the anit-jitter option, and many others (please inquire)
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