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Technical Data SERIES 331 – Digimatic Spline Micrometer
Flatness: 0.3 m(.000012") • The anvil and spindle are of small diameter for measuring splined shafts, slots, and keyways.
Parallelism*: (2+R/100) m, [.00008+.00004(R/4)]" • Measuring faces: Carbide.
Battery: SR44 (1 pc), 938882 • Equipped with Ratchet Stop for constant measuring force.
Note: Fractions rounded down
* R = max. range (mm/inch)
Optional Accessories B
05CZA662: SPC data cable with pushbutton (1 m) • Dust-tight and water
58.50 jet protected IP65
000002160
05CZA663: SPC data cable with pushbutton (2 m) 6.35 331-351
70.40 6.35
18
06ADV380B: USB Input Tool Direct USB-ITN-B (2 m)
106.00 6
02AZD790B: SPC data cable for U-WAVE-T (160 mm) 18
52.20
02AZE140B: SPC data cable for U-WAVE-T and footswitch
(160/500 mm)
119.00
SPECIFICATIONS
Inch/Metric
Code No. Range Resolution Accuracy* Remarks Price
Type A 341.00
331-351 0-25 mm (0-1") 385.00
Type B 394.00
331-352 25-50 mm (1-2") 0.001 mm (.00005") ±2 µm (±.0001") 450.00
±3 µm (±.00015") 430.00
331-353 50-75 mm (2-3") 480.00
510.00
331-354 75-100 mm (3-4") 530.00
331-361 0-25 mm (0-1")
331-362 25-50 mm (1-2") 0.001 mm (.00005") ±2 µm (±.0001")
±3 µm (±.00015")
331-363 50-75 mm (2-3")
331-364 75-100 mm (3-4")
* Excluding quantizing error.
DIMENSIONS
Models up to 75 mm measuring range Unit: mm
bL 42.5 2.3 3 43 17
TTyyppee AA 33 mmmm TTyyppee BB 22 mmmm
b aL 40.7 42.5 2.3 3 43 17 1100 1100 55 55
a 40.7 6.35 9.7
6.35 9.7
5
50 3
0 45
45
76 2
76 C
C UUnniitt:: mmmm UUnniitt:: mmmm
Range L a b c
0-25 mm 58.2 17.5 7.3 32
25-50 mm 83.2 10.1 47
Model with 75-100 mm measuring range 50-75 mm 108.2 11.5 60
16.7 132.8 14.5 2 47.2 2.3 3 43 17
16.7 20.3 132.8 37.514.5 2 47.2 2.3 3 17
43
20.3 18
37.5 18
9.7
9.7
Mitutoyo operates a policy of continuous improvement that aims to provide the customer with the benbefit of the latest techLnological advances1. 4.5 3 47 17 B-46
Therefore the company reserves the right to change any or all aspects of any product specifmicaittiuobntowyitohao@ut mnoatiitcue.toyL o-too37ls.5.ru37.51w4.w5 w3 .mituto47yo-tools.1r7u