TSP Thermo Separation Products / Spectra Physics P4000 Quaternary Gradient Pump SpectraSYSTEM / Spectra System / HPLC / Chromatography

• Four solvent blending
• Eleven method files
• User interface with file linking, file names, solvent names and diagnostics
• Multitasking software lets you change operating conditions in real time or program files while the pump is running
• Real-time pressure feedback control system provides automatic solvent compressibility compensation for accurate, precise flows
• High retention time reproducibility from precise flow control, solvent proportioning and efficient mixing
• Flow Rate Range: 0.01 - 10.00 mL/min, analytical or narrow-bore pumps
  0.01 - 30.00 mL/min, semi-prep PEEK pumps
• Delay Volume: < 800 μL, analytical
  < 500 μL, narrow-bore (P4000)
• Flow Precision: Typically < 0.2% at 0.5 mL/min or greater
• Gradient Linearity: < 1.0% at 1.0 mL/min from 5 - 95% composition, analytical
  < 1.0% at 0.5 mL/min from 5 - 95% composition, narrow-bore
• Pressure Range: 42 MPa or 420 bar or 6000 psi, analytical or narrow-