Technical Data:
Series: 143
Product type: Caliper Type Micrometer
Application: Measurement of workpiece features difficult to access with a standard micrometer
Measuring faces: Carbide tipped
Constant measuring force: Ratchet Stop
Accuracy basis: EMPE, ISO 3611:2023 and ASME B89.1.13-2013
Measuring range: 275 - 300 mm
Graduation: 0.01 mm
Accuracy: +/-12 um
Flatness: 0.3 um
Parallelism: 7 um

Content:
1 x Standard bar

Dimensions:
L=275 mm
a=16.3 mm
b=15 mm
C=32.5 mm
Jaw thickness=3 mm
Minimum-measuring-length jaw details=7.4 mm, 3.4 mm
Jaw tip Dia.=4 mm
Jaw spacing/detail=25.7 mm
Jaw body/detail=12.5 mm
Jaw support detail=5.9 mm
Jaw support Dia.=13 mm
Spindle Dia.=6.35 mm
Alternate spindle section Dia.=8 mm
Body Dia.=18 mm
Rear body height/detail=10.8 mm
Common longitudinal dimensions=25 mm; 60.8 mm; 66.9 mm; 72.4 mm