... grating as dispersive elements, small wavelength error, high optical performance, precision 16 times higher2. ... 405, 450, 492, 510, 546, 578, 630nm5. Quality control: QC data summary, store and draw QC diagram6 ... parameters adjustable8. User interface: User-friendly, man machine conversational operation9. Display: Large-screen LED display10. ... μL (adjustable) HF-800A Semi-Automatic Biochemical Analyzer