... assay, absorption spectrophotometry, dual-wavelength method3. Temperature control system: PELTIER temperature control component, 25°C, 30°C, 32°C, ... 405, 450, 492, 510, 546, 578, 630nm5. Quality control: QC data summary, store and draw QC diagram6. Open reagent: both ... Printer: Built-in thermal printer, convenient for patient information output 13. Light source: Imported halogen lamp (12V/20W), ...