JD3 Vertical Projection Optimeter

Features:

->New screen technology, equipped with reading magnifier to get uniform field brightness and clear image;
->High measuring accuracy, stable and reliable data, realize convenient and quick measurement for precision parts with small dimension;
->Optimized structure design, small overall dimension, convenient for transportation;
->Dual-purpose instrument, the glass tube of the projection optimeter can be taken off and installed on a machine tool to control machining size directly

Technical Parameters
Range of measurement: 0-180mm
Worktable
Circular plane worktable (D）：¢88mm
Circular ribbed worktable (D）：¢88mm
Square ribbed worktable (mm): 142×130
Fit outside diameter of measuring spindle and measuring cap of worktable：¢6g6
Allowable diffe「ence of parallelism of small three-point worktable:0.0015mm
Precision of instrument
Indication error:
Within 60 µ m range：土0.20µ m
Over 60 µ m range: ± 0.25 µ m
Indication stability: 0.1 µ m
Projection optimeter tube
Graduation value of dividing plate: 0.001mm
Graduation range of dividing plate: ± 0.1 mm
Measurement force : 2N ± 0.2N
Free elevating distance of measuring lever: O.5mm
Fit outside diameter of projection optimeter tube：¢28h6
Fit outside diameter of measuring lever and measuring cap：¢6g6
Ambient environment of the instrument service
Room temperature: 20℃±3℃
Relative humidity: Not more than 60%
Mainframe weight: 21kg
Overall sizes of the instrument (mm): 160×340×750