US Digital Datasheets for Optical Encoder Disks and Strips

Optical encoder disks and strips are components of rotary and linear encoders, respectively. They are usually made of metal, plastic, glass, or paper. Optical encoder disks and strips have evenly-spaced holes or markings around their perimeter or length.
Optical Encoder Disks and Strips: Learn more

Product Name Notes
DISK-1 has an outer diameter (OD) of 1". The optical radius of the disk is .433". The optical radius is defined as the distance from the center of the disk...
DISK-2 has an outer diameter (OD) of 2". The optical radius of the disk is .920". The optical radius is defined as the distance from the center of the disk...
HUBDISK-1 consists of a precision machined aluminum hub fastened to a 1" diameter optical encoder disk (DISK-1). A set screw is used to attach the hub to a shaft. The...
HUBDISK-2 consists of a precision machined aluminum hub fastened to a 2" diameter optical encoder disk (DISK-2). One or two set screws (depending on the hub's ID) are used to...