... point calibration assay, absorption spectrophotometry, dual-wavelength method3. Temperature control system: PELTIER temperature control component, 25°C, 30°C, 32°C, ... , 450, 492, 510, 546, 578, 630nm5. Quality control: QC data summary, store and draw QC diagram6. Open ... minimize cross-contamination to the largest extent15. Working Environment: Temperature: 10-40°C; Humidity: ≤85%16. Dimensions/Weight ...