Optical incremental linear encoder
GURLEY Precision Instruments

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  Incremental rotary encoder
  ø 37 mm, 230 400 counts/rev | R137
  
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  Incremental rotary encoder with flange
  144 000 counts/rev, RS 422
  
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  High precision incremental rotary encoder
  1 800 000 cycles/rev | Model 9480H
  
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  Magnetic incremental rotary encoder
  30 000 rpm | M122
  

Linear encoders

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  Optical absolute linear encoder
  
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  Rack and pinion incremental linear encoder
  2 m/s
  
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  Sealed optical incremental linear encoder
  
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  Glass scale optical incremental linear encoder
  

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  Densometer for paper porosity measurement
  60 psi, 110 - 220 VAC | Model 4340N
  
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  Air permeameter
  TAPPI, ASTM, ASA | Model 4301N
  

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  Digital position readout
  

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  Interpolator