MITUTOYO SERIES 331 SPLINE MICROMETER

  • The anvil and spindle are of small diameter for measuring splined shafts, slots, and keyways.
  • IP65 water/dust protection (series 331).
  • Measuring faces: Carbide.
  • Equipped with Ratchet Stop for constant measuring force.
 

Metric

Code No. Range (mm) Resolution (mm) Maximum permissible error JMPE (μm) Flatness (μm) Parallelism (μm) Measuring face
Digimatic
331-251-30 0 – 25 0.001 ±2 0.3 2 Type A
331-252-30 25 – 50
331-253-30 50 – 75
331-254-30 75 – 100 ±3 3
331-261-30 0 – 25 ±2 2 Type A
331-262-30 25 – 50
331-263-30 50 – 75
331-264-30 75 – 100 ±3 3

Inch/ Metric

Code No. Range (in) Resolution Maximum permissible error JMPE (in) Flatness (in) Parallelism (in) Measuring face
Digimatic
331-351-30 0 – 1 0.0005 in/ 0.001 mm ±0.0001 0.000012 0.00008 Type A
331-352-30 1 – 2
331-353-30 2 – 3
331-354-30 3 – 4 ±0.00015 0.00012
331-361-30 0 – 1 ±0.0001 0.00008 Type A
331-362-30 1 – 2
331-363-30 2 – 3
331-364-30 3 – 4 ±0.00015 0.00012

  • The anvil and spindle are of small diameter for measuring splined shafts, slots, and keyways.
  • IP65 water/dust protection (series 331).
  • Measuring faces: Carbide.
  • Equipped with Ratchet Stop for constant measuring force.