Vintage BEI 6" dia encoder 12,000 lines

Description

Older large diameter BEI encoder without cover.
Can be used for lab measurements.
This is the one that you use to check other encoder's accuracy.
Dual shaft with 3/8" on one side and 1/2" on other.
Cable exit.
The quad channels have complements but the index is single ended.
12,000 lines//can resolve to 48000 positions per turn.
Buyer pays freight
UPS ground