Technical Data:
Series: 141
Product type: Inside Micrometer, Interchangeable-Rod Type
Feature: Wide measuring range by combining interchangeable rods
Feature: Models with multiple rods use spacing collars to achieve the full measuring range
Graduation: 0.01 mm for metric models / 0.001 in for inch models

Technical Data:
Accuracy formula, metric models: +/-(6 + L/50) um
L=Maximum measuring length in mm
Fraction rounded up

Technical Data:
Accuracy formula, inch models: +/-{0.00024 + (0.00004 x L/2)} in
L=Maximum measuring length in inches
Fraction rounded up
Measuring range: 25 - 50 mm
Micrometer head stroke: 7 mm
Rod configuration: 2 rods
Measuring face: Standard

Dimensions:
Representative Series 141 configuration:
Interchangeable rod for 25 - 38 mm
Interchangeable rod for 37 - 50 mm
Spacing collar
Extension handle
Rod/reference Dia.=8 mm
Measuring-point/reference Dia.=3.5 mm
Body/reference Dia.=16 mm
Reference dimensions=2 mm; 4.5 mm; 25 mm; 12 mm; 25 mm
Measuring faces=SR8