Spline Micrometers - Series 331

Series 331

Features

• 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