Defender
 The
Defender series is a NEMA 4X, rotary optical incremental shaft encoder
designed with high precision mechanical and opto-electronic components.
It is enclosed in a sealed rugged 304 stainless steel housing designed
to operate in the most severe environments. Infrared LED and SMD
circuitry provides high noise immunity. Two independent shaft seals
prevent internal contamination due to moisture and dust. Teflon sealed
ABEC 3 with grease lube (standard) provide for heavier shaft loads.
Single channel, index pulse, quadrature, and other special outputs are
available with standard resolutions up to 2500 PPR. Over four decades of
engineering and manufacturing experience is embodied in every FSI
encoder. FSI is committed to manufacturing quality products and
providing complete customer satisfaction!
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