... spectrophotometry, dual-wavelength method3. Temperature control system: PELTIER temperature control component, 25°C, 30°C, 32°C, 37°C, accuracy ±0.1°C4. ... Wavelength: 340, 405, 450, 492, 510, 546, 578, 630nm5. Quality control ... to the largest extent15. Working Environment: Temperature: 10-40°C; Humidity: ≤85%16. Dimensions/Weight: 610 mm (H ...