二手 AGILENT / HP / HEWLETT-PACKARD / KEYSIGHT 1100 Series G1312A #9288157 待售

HPLC binary pump Hydraulic system: Two dual piston in series pumps with proprietary servo-controlled variable stroke drive Floating piston design Active inlet valve Setable flow range: 0.001 - 5 ml/min,in 0.001 ml/min increments Flow range: 1 - 5.0 ml/min Flow precision: < 0.3 % RSD (typically 0.15 %), based on retention time, at 1 ml/min Pressure: Operating range 0 400 bar (0 - 5880 psi) up to 5 ml/min Pressure pulsation: < 2 %amplitude (typically < 1 %), at 1 ml/min isopropanol, at all pressures > 1 MPa pH range: 0-12.5, solvents with pH <2.3 Gradient formation: High-pressure binary mixing Delay volume: 180 - 480 µl without mixer 600 - 900 µl with mixer dependent on back pressure Composition range: 1- 99 % or 5 μl/min per channel Composition precision: < 0.2 % SD at 0.1 and 1 ml/min Control and data evaluation: Chemstation for LC control Data evaluation.