Technical Data:
Internal and external diameter comparison instrument
Measures internal/external diameter, variation and taper
Total range of movable point: 2mm
Effective range of movable point: +/-0.1mm
Applicable holding stem: dia.28mm
Range of internal diameter: 50-140mm/2-5.5in
Range of external diameter: 30-120mm/1.2-4.7in
Accuracy: +/-0.001mm
Repeatability: 0.001mm

Dimensions:
Overall length=170mm
Overall width=190mm
Overall height=128mm
Stem hole=dia.28mm
Angled arm/reference diameter=dia.160mm
Inclination angle=40deg

Remark:
Digital/dial indicator is optional
Optional dia.28mm/dia.8mm bush code 6843-B8
Optional 0.001mm digital/dial indicators
Optional high precision digital indicators codes 2140-6 and 2140-6WL
Internal diameter measurement configuration shown
External diameter measurement configuration shown