... method3. Temperature control system: PELTIER temperature control component, 25°C, 30°C, 32°C, 37°C, accuracy ±0.1°C4. Wavelength ... , test item and parameters adjustable8. User interface: User-friendly, man machine conversational operation9. Display: Large-screen LED display10. Power Requirement: 220V ... -contamination:≤1% Sample Volume:200-9999μL (adjustable) HF-800A Semi-Automatic Biochemical Analyzer