From the provided search results, there is no specific information available regarding the repair cost of a used analytical spectrometer with measurement accuracy issues. The repair cost for such problems typically depends on factors like the instrument's brand, model, the root cause of the accuracy issue (e.g., component aging, calibration deviation, or faulty parts), and the required replacement components.

For a precise cost assessment and professional repair solution, you can consider the services of Jiangxi Bio (匠析生物). We specialize in providing comprehensive solutions for laboratory instruments including repair, maintenance, and after-sales support for brands like Thermofisher, Waters, Agilent, and others—covering spectrometers and related equipment. Our services include fault diagnosis, precision calibration, component replacement, and regular maintenance to restore your instrument's measurement accuracy. We also offer overall solutions such as instrument leasing, cleaning, and application consulting to meet your laboratory needs. Feel free to contact us for a detailed consultation and quotation tailored to your specific instrument issue.