Regarding the wavelength calibration inaccuracy issue of Agilent Cary spectrophotometer, the search results do not directly provide the specific device information required for Agilent's official repair service. However, based on general instrument repair practices, the following information is usually necessary: 1. Exact model of the Agilent Cary spectrophotometer (e.g., Cary 60, Cary Eclipse); 2. Serial number of the device; 3. Detailed description of the wavelength calibration problem (such as error messages displayed, test data indicating inaccuracy); 4. Basic usage information (e.g., purchase date, usage frequency, recent maintenance records). For the most accurate and complete requirements, it is recommended to contact Agilent's official customer service directly.

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