Complete Vacuum Concentration System suitable for molecular biology applications, including DNA/RNA protein, and other sample preparation Brand/Make*: Eppendorf Vacufuge Plus or equal * Note: Brand/Make and catalog numbers given for reference only and are NOT to be construed as the required brand/make and catalog numbers. 1.0 Product Identification 1.1 Product Type: Integrated centrifugal vacuum concentrator system, including a built-in vacuum pump. 1.2 Vacuum Pump: Integrated, chemicalresistant, maintenance-free diaphragm pump. 1.3 Rotor/Capacity: Includes a fixed-angle rotor capable of holding at least 48 x 1.5/2.0 mL microcentrifuge tubes. 2.0 Performance 2.1 Must have three main operations modes: concentrate, centrifuge, and desiccate. 2.2 Ultimate Vacuum: Capable of achieving a minimum ultimate vacuum of 20 mbar (20 hPa). 2.3 Fixed Speed: Fixed rotation speed of 1,400 rpm (+/- 5%). 2.4 Maximum RCF: Minimum maximum relative centrifugal force (RCF) of 248 x g. 2.5 Temperature Control: Provides at least three distinct temperature settings for concentration in addition to ambient temperature. The required settings are 30°C, 45°C, and 60°C. 2.6 Noise Level: Maximum operational noise level of 50 dB(A) or less. 3.0 Hardware and Physical Characteristics 3.1 Must have coated lid to protect the seal of the lid against organic solvents. 3.2 Chamber and Lid: Concentration chamber must be made of chemical-resistant material (e.g., stainless steel), and the lid must be coated for superior chemical resistance to aggressive acids and organic solvents. 3.3 Drive Type: Maintenance-free, motorless induction drive or an equivalent that ensures reliable and quiet operation. 3.4 Electrical Requirements: Operates on 120 V, 50/60 Hz power supply. 3.5 Exhaust Condensation: Includes an emission condenser or equivalent system to purify exhaust air and protect the environment and lab personnel from unpleasant vapors. 4.0 Operational Features 4.1 Timer: User-adjustable timer function with a range of at least 1 minute up to 9 hours and 59 minutes, and a continuous operation mode (∞). 4.2 Must have a compact footprint suitable for benchtop use. Dimensions (approx.): Footprint dimensions must not exceed 34 x 60 x 30 cm (W x D x H) (approx. 13.4 x 23.6 x 11.8 in). 5.0 Documentation and Warranty 5.1 Documentation: Includes a comprehensive operator's manual. 5.2 Warranty: Minimum one-year manufacturer's warranty included.
