JDY-4 High precision universal length measuring instrumentDetailed product description：

JDY-4 high-precision universal length measuring instrument is a horizontal high-precision universal length measuring instrument that can perform precise direct measurement of internal and external dimensions by tightly integrating light, machine, and electricity for data processing. Mainly used for measuring the shape, inner hole, and dimensions of parallel planar, cylindrical, and spherical precision measuring tools and parts. Various random attachments can also be used for special measurements such as the pitch diameter of internal and external threads.

Features:
Using a metrological grating as the instrument length reference has good traceability and high accuracy; Replace manual operation with mobility and automation to ensure stable and reliable instrument measurement. According to the "real-time comprehensive correction" method, use computer software to perform overall correction of instrument measurement errors. The measurement results can be displayed digitally and automatically printed and recorded.

2. Main technical parameters of JDY-4 high-precision universal length measuring instrument:
Scope of application
External dimension measurement: 0-500 mm
Internal dimension measurement: 1-200mm
External thread measurement: ≤ 180 mm
Internal thread measurement: 16-140 mm
Direct measurement range: 0-100mm
Reading microscope division value: 0.0001mm
Instrument error
External dimension measurement: ± (0.3+L/500) μ m
Internal dimension measurement: ± (0.6+L/500) μ m
Stability of indication: ≤ 0.1 μ m
Operating environment: (20 ± 5) ° C,<0.5 ° C/hour
Instrument volume: 95 × 39 × 49 cm
Instrument weight: 90 kg
Internal testing device
Small hole measuring device
Standard environmental regulations
External thread measuring device
Internal thread measuring device
Various probes and caps