Micrometers
Spline Micrometers SERIES 331 • The anvil and spindle have a small diameter for measuring splined shafts, slots and keyways. • IP65 water/dust protection.
• Measuring faces: Carbide tipped. • Equipped with Ratchet Stop for constant measuring force.
Measurement example
B
331-351-30
SPECIFICATIONS Inch/Metric Order No.
Type A ø3 mm
Type B ø2 mm
10 10
5 5
Range (in)
Flatness (in)
Parallelism (in)
Resolution
Accuracy* (in)
Measuring face
Digimatic
331-351-30 331-352-30 331-353-30 331-354-30 331-361-30 331-362-30 331-363-30 331-364-30
0 - 1 1 - 2 2 - 3 3 - 4 0 - 1 1 - 2 2 - 3 3 - 4
Unit: mm
Unit: mm
±0.0001
0.00008
Type A
±0.00015
0.00012
0.00005 in/ 0.001 mm
0.000012
Optional Accessories Order No. Type
±0.0001
0.00008
Type B
Description
±0.00015
0.00012
USB Input Tool Series USB Keyboard Signal Conversion Type IT-020U
264-020
—
Metric
Range (mm)
Resolution (mm)
Flatness (µm)
Parallelism (µm)
Order No.
Accuracy* (µm)
Measuring face
05CZA662
B Connection cable (1 m)
Digimatic
331-251-30 331-252-30 331-253-30 331-254-30 * 331-261-30 331-262-30 331-263-30 331-264-30 *
0 - 25 25 - 50 50 - 75 75 - 100 0 - 25 25 - 50 50 - 75 75 - 100
±2
2
05CZA663
B Connection cable (2 m)
Type A
±3
3
0.001
0.3
06AFM380B
B USB Input Tool Direct (2 m)
±2
2
Type B
02AZD730G
U-WAVE-T
IP67
±3
3
• Power source: SR44 battery (1 pc.), 938882 included as standard * E MPE (ISO 3611:2023 and ASME B89.1.13-2013)
02AZD880G Buzzer U-WAVE-T
02AZE200
U-WAVE-T mounting bracket
—
DIMENSIONS
Connection cable for U-WAVE-T (160 mm) Connection cable for U-WAVE-T For foot switch
02AZD790B
B
Unit: mm
Digimatic models Models up to 75 mm measuring range
c
a
L
25
12
48.5
62.9
02AZE140B
B
c
a
L
25
12
48.5
62.9
264-622
U-WAVE-TM
IP67
264-623
Buzzer U-WAVE-TM
c Digimatic models Models over 75 mm measuring range a L 25
264-626
U-WAVE-TMB
IP67
12
66.5
62.9
c
a
L
25
12
66.5
62.9
264-627
Buzzer U-WAVE-TMB
Range 0 - 1 in 1 - 2 in 2 - 3 in 3 - 4 in
a
b c
Connecting unit for U-WAVE-TM / TMB
02AZF310
IP67
7.3 32.5 10.1 47 11.5 60
17.5
16.7 76 20.3
L
c
12
a
15
25
66.9
L
c
12
a
15
25
66.9
B-49
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