Calipers
Vernier Caliper SERIES 531 — with Thumb Grip
• The slider position is fixed by an automatic clamp, and the measured value can be kept after a workpiece is removed.
• This feature is helpful when measuring at an invisible point of a workpiece or reading a value without a workpiece.
531-122
Spring loaded thumb grip
SPECIFICATIONS Metric/Inch
D
with metric/inch double scale
Order No.
Range
Graduation
Accuracy*
Depth bar
Remarks
with inch/mm conversion label
531-122 531-128 531-108 531-129 531-109 531-112
0.05 mm (1/128 in) 0.02 mm (0.001 in) 0.05 mm (1/128 in) 0.02 mm (0.001 in) 0.05 mm (1/128 in) 0.02 mm (0.001 in)
±0.05 mm/±0.5/128 in ±0.03 mm/0.001 in ±0.05 mm/±0.5/128 in ±0.03 mm/0.001 in ±0.08 mm/±0.5/128 in ±0.04 mm/0.0015 in
0 - 150 mm/0 - 6 in
High accuracy model
—
Blade
0 - 200 mm/0 - 8 in
High accuracy model
—
0 - 300 mm/0 - 12 in
High accuracy model
Metric Order No.
Range (mm)
Graduation (mm)
Accuracy (mm)*
Depth bar
Remarks
531-101 531-102
0 - 150 0 - 200 0 - 300
±0.05
0.05
Blade
—
531-103 ±0.08 * E MPE (ISO 13385-1:2019 and ASME B89.1.14-2018). Largest value across the measuring range. See page D-47 for MPE table.
DIMENSIONS
Unit: mm
L
53.5 (66.5)*
* ( ): Dimension in 0 to 300 mm/0 to 12 inch model
Range
A
B
D
H
L
0 - 150 mm/0 - 6 in 0 - 200 mm/0 - 8 in
17
21.5
40 50 64
229 288
16
20.5
25
0 - 300 mm/0 - 12 in 404 Jaw thickness: 3 mm for 0 to 150 mm/0 to 6 inch and 0 to 200 mm/0 to 8 inch models 3.8 mm for 0 to 300 mm/0 to 12 inch model 22 27.5 20
D-12
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