Spline Micrometers - Series 331,111

Series 331
  • IP65 water/dust protection (Series 331).
  • The anvil and spindle have a small diameter for measuring splined shafts,slots, and keyways.
  • With Ratchet Stop for constant force.
  • With SPC output (Series 331).
  • With a standard bar except 0-25mm and 0-1” model.
  • Supplied in fitted plastic case.

Technical Data

Accuracy: Refer to the list of specifications.
Resolution*: 0.001mm or .00005"/0.001mm
Graduation**:0.01mm,.001" or .0001"
Flatness: 0.3µm/.000012”
Parallelism:(2+R/100)µm,R=max. range (mm)
[.00008” + .00004” (L/4”)]
L = max. range (inch)
Measuring faces: Carbide tipped
Display*: LCD
Battery*: SR44 (1 pc.), 938882
Battery life*: Approx. 1.2 years under normal use
Dust/Water protection level*: IP65
*Digital models **Analog models

Function of Digital Model

Origin-set, Zero-setting, Data hold, Data output, inch/mm
conversion (inch/mm models)
Alarm: Low voltage, Counting value composition error

Optional Accessories for Digital Model

05CZA662: SPC cable with data switch (1m/40”)
05CZA663: SPC cable with data switch (2m/80”)

Parts Break Down


Order No111-166
Range 0-1in
Accuracy ±.00015in
RemarksType A
Gen Info.0001 in reading is obtained with vernier
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line drawings