Technical Data:
Series: 223 / 123
Product type: Disc Micrometer, Rotating Spindle Type
Application: Root tangent measurement on spur gears and helical gears
Constant measuring force: Ratchet Stop
Accuracy basis: EMPE, ISO 3611:2023 and ASME B89.1.13-2013
Configuration: Analog
Measuring range: 3 - 4 in
Graduation: 0.001 in
Accuracy: +/-0.0003 in
Flatness: 0.00004 in
Parallelism: 0.0003 in
Anvil diameter: Dia.0.787 in
Measurable module: 0.5 to 6

Dimensions:
L=75 mm
a=14 mm
b=63 mm
c=5.5 mm
e=20 mm
f=8 mm
t=0.7 mm
Spindle Dia.=6.35 mm
Body Dia.=18 mm
Common drawing dimension=25 mm
Center recess shown in catalogue drawing