Jd3 Vertical Projection Optimeter

We are engaged in offering excellent quality JD3 Vertical Projection Optimeter to our valuable clients. The Projection Optimeter is a high precision length-measuring instrument by comparing measures. It is extensively used to measure grade four and five of standard gauge block (JD20 may measure grade three and four of standard gauge block) and precision parts (as steel ball, roller column, precision parts of ladder shaped etc. ) for external dimensions.

Features:
Characteristics
The instrument can drive 5-grade block gauges.
It can be used for the verification of high-precision plain plug gauges, thread plug gauges and precision sphere diameters.
It is equipped with various worktables, convenient for replacement, in accordance with parts of different shapes.

Technical parameters:
Range of measurement: 0-180mm
Worktable
Circular plane worktable (D): I 88mm
Circular grooved worktable (D) I 88mm
Square grooved worktable (mm) 142A 130mm
Small three-ball worktable: Used for the verification of thin black gauges small three-ball worktable: Parallel tolerance is 0.0015mm
Instrument precision index
Indication error
Within 60I M range: A 0.20I M
Over 60I M range: A 0.25I M
Indication stability: 0.1I M
Projection optimeter tube
Graduation value of dividing plate: 0.001mm
Graduation range of dividing plate: A 0.1mm
Measurement force: 2NA 0.2N
Free elevating distance of measuring lever: 0.5mm
Fit outside diameter of projection optimeter tube: I 28h6.