First of all, is to choose a regular big brand manufacturers, so that the quality of the image measuring instrument has a preliminary guarantee.
Secondly, buy image instrument to see whether its main accessories for brand manufacturers (CCD
lens
guide
) These have an impact on the accuracy and performance of the secondary yuan, of course, it is best to see the instrument on the scene yourself:
One, look at the secondary yuan image measuring instrument image is clear there is no snowflake point;
Two, look at the Whether the transmission of the second element is smooth;
Third, the image measuring instrument of the marble structure is certainly much better than cast iron or cast aluminum, after all, marble buried in the ground for millions of years, compared to cast iron is not easy to heat deformation is also not easy to scratch the stability is better.
Again, the video image measuring instrument hard parts and software to see if it is their own development, is their own original patents of course a little better, at least the company's technical strength is still good.
Finally, it is recommended that you investigate the manufacturers of after-sales how to have quality without after-sales that is certainly not, after all, so expensive a thing if you buy back to do not do regular professional maintenance and maintenance of its service life and accuracy will have an impact, some manufacturers of instruments at a very low price, but sold to you on the regardless, so the warranty period is also very important.
Consolidating the various factors mentioned above, we recommend to you Chi-Thai Group's image measuring instruments. Chi-Thai as a leading enterprise of domestic precision measurement, whether in terms of the secondary element image measuring instrument or coordinate measuring machine, have reached the most advanced level in China. Chi-Thai image measuring instrument in the same category, but also has the best price-performance ratio, is the customer to buy the first choice of the secondary yuan measuring instrument.