Micrometers
Disc Micrometers SERIES 169 — Non-rotating Spindle Type • Can be used for making root tangent measurements on spur gears and helical gears. • Non-rotating spindle eliminates torque on workpiece.
• Measurable range of gear pitch: 0.5 to 6 module. • Equipped with Ratchet Stop for constant measuring force.
a
L
25 6.4
59
72.4
a c
L
30 16.3
69.6
50.4
(Minimum measuring length)
c
(Minimum measuring length)
B
169-203-10
a c
L
30 16.3
69.6
50.4
(Minimum measuring length)
SPECIFICATIONS Inch Order No. Range (in)
a
25
6.5
71
72.4
L (Minimum measuring length)
c
Graduation (in)
Anvil dia. (in)
Flatness (in)
Parallelism (in)
Measuring force (N)
Accuracy* (in)
Analog 169-203-10 169-204-10 169-206-10 169-208-10 Metric Order No. Analog 169-201-10
0 - 1 1 - 2 2 - 3 3 - 4
±0.0002
0.0002
69.6
72
(Minimum measuring length) c a L 13.8
（ 18.8 ）
0.001 ø0.787
0.00004
3 - 8
±0.0003
0.0003
Range (mm)
Graduation (mm)
Anvil dia. (mm)
Flatness (µm)
Parallelism (µm)
Measuring force (N)
Accuracy* (µm)
( ): Order No. 227-223-20
2.4
0 - 25
±4
4
169-202-10 25 - 50 169-205-10 50 - 75
0.01
ø20
1
3 - 8
±6
6
69.6
72
c a L 13.8
169-207-10 75 - 100 * E MPE (ISO 3611:2023 and ASME B89.1.13-2013) (Minimum measuring length) （ 18.8 ）
DIMENSIONS
( ): Order No. 227-223-20
Unit: mm
Analog models up to 50 mm
a
L
25
6
15
83.5
a
L
25 6
15
83.5
(Minimum measuring length)
(Minimum measuring length)
c
c
Analog models over 50 mm
15
83.5
a
L
25 6
(Minimum measuring length)
c
t
øe
øf (Center recess)
Range (mm)
L
a
b
c
e
f
t
0 - 25
0
25 32 49 63
13.8
5.7
25 - 50 50 - 75 75 - 100
25
20
8
0.7
50 12 75 14
5.5
Find a Distributor
B-39
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