Internal and External Diameter Comparison Instrument (Model No. HVO-6843-140) Lab Equipment & Machines and scientific research institutions for

and scientific research institutions for measuring the refractive index ND of

Range: 0 to ± 1999 mv

Range : 0 to 1999

It is designed for easy usage

Internal and External Diameter Comparison Instrument (Model No. HVO-6843-140) Lab Equipment & Machines and scientific research institutions forInternal and External Diameter Comparison Instrument Specification: Applicable Holding Stem: 28mm Range of Internal Diameter: 50 140 2 5. 5" Range of External Diameter: 130 120 1. 2 4. 7" Accuracy: 0. 001mm Repeatability: 0. 001mm Measure internal external diameter, variation and taper Total range of movable point: 2mm, effective range of movable point: 0. 1 mm Groove probes and disc probes are included Optional accessory: 028mm 08mm bush, cross