Technical Data:
Comparison gauge
Measures external diameter, internal diameter and over-pin diameter of gears
Total range of movable point: 8mm
Effective range of movable point: +/-2mm
Accuracy specification applies within +/-2mm effective range
Customizable measuring jaws and points
Optional digital indicator code 2138-10F
Optional gauge block grade 1, 4101-B series
Applications shown for external measurement: over-pin diameter of gears, external groove diameter, distance of V-slot grooves, distance between two holes, two-point measurement of ball screws
Applications shown for internal measurement: internal groove diameter, major diameter at missing teeth of internal spline, minor diameter of internal odd teeth, three-point measurement of ball splines and ball nuts, ball/cylinder point measurement of internal spline over-pin diameter
Customizable point examples shown: ball point, flat point, shell type point, external thread minor diameter point, shallow hole point, cylindrical points for gears, external groove point, internal groove point
Customizable measuring jaw examples shown: width measuring jaws, shallow hole distance measuring jaws, ball splines/nuts measuring jaws, one-piece measuring jaws, three-point measuring jaws, major diameter measuring jaws of odd teeth, eccentric measuring jaws, special shaped measuring jaws
Measurement version: internal diameter
Range of internal diameter (L2): 42-160mm/1.65-6.30in
Accuracy: +/-5um
Repeatability: 2um

Dimensions:
A=245mm
H=70mm
Overall body height: 80mm
Stem hole diameter: dia.8mm
Measuring jaw shank diameter: dia.4mm
L2=42-160mm/1.65-6.30in