Catalog Mitutoyo 2017 - 2019

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Digimatic Spline Micrometer
Series 331
This Digimatic Spline Micrometer makes it easy for you to measure
grooves and shaped parts.
It offers you the following benefits:
– Stepped measuring surfaces.
– Suitable for measuring grooves, splined shafts, recesses, shaped
parts, etc.
331-251-30
Metric
No. Range
[mm] Anvil/ Tip Accuracy
[µm]
L
[mm]
a
[mm]
b
[mm]
c
[mm]
Mass
[g]
331-251-30 0-25 A ±2 58,2 17,5 7,3 32 330
331-261-30 0-25 B ±2 58,2 17,5 7,3 32 330
331-252-30 25-50 A ±2 83,2 17,5 10,1 47 470
331-262-30 25-50 B ±2 83,2 17,5 10,1 47 470
331-253-30 50-75 A ±2 108,2 17,5 11,5 60 625
331-263-30 50-75 B ±2 108,2 17,5 11,5 60 625
331-254-30 75-100 A ±3 132,8 20,3 16,7 76 565
331-264-30 75-100 B ±3 132,8 20,3 16,7 76 565
c
3 2.3 42.5 43 17
ø6.35
ø9.7
ø18
L b
a 40.7
mm
0-75 mm
ø6.35
ø18
b
ø9.7
a 37.5
C
L 17 43 3 2.3 47.2 2 14.5
mm
75-100 mm
Functions Series 331
ORIGIN
ZERO/ABS
Auto Power OFF
after 20 min. non use
Low voltage alarm
Function lock
Data output
HOLD
Specifications
Accuracy Refer to the list of specifications
(excluding quantizing error)
Measuring force 5-10 N
Digital step 0,001 mm
Scale Thimble and sleeve satin chrome
finish, ø18 mm
Flatness 0,3µm
Parallelism (2+L/100) µm, L = max. range (mm)
Measuring
surfaces
Carbide tipped, micro-lap finish
Measuring
spindle
With spindle lock, ø6,35 mm,
spindle pitch 0,5 mm
Battery life approx 2,4 years
Delivered Including box, setting
standard (from 25 mm upward),
key, 1 battery
Optional accessories
No. Description
05CZA662 Digimatic Cable with Data Button IP
Type, 1m, Micrometer Type
05CZA663 Digimatic Cable with Data Button IP
Type, 2m, Micrometer Type
02AZD790B U-WAVE T Connection Cable B, with
Data Button IP Micrometer Type
06ADV380B USB Input Tool Direct (Digimatic USB),
with Data Button IP Micrometer Type
Consumable spares
No. Description
938882 Battery SR44 1.5V
10 10
ø3
mm
Type A
5 5
ø
2
mm
Type B
All products to be sold to commercial customers.
70 All products to be sold to commercial customers. Product illustrations are without obligation. Product descriptions, in particular any and all
technical specifications, are only binding when explicitly agreed upon. For suggested retail prices, please refer to the separate price list.