Agilent 1100 HPLC G1311A Quaternary Pump Quat Pump

Description This refurbished Agilent 1100 HPLC G1311A Quaternary Pump Quat Pump is fully tested in working condition Including: Agilent 1100 HPLC G1311A Quaternary Pump Quat Pump Installation guide and user documentation Power and communication cables 90 Days Warranty Specification Details Hydraulic system Dual plunger in series pump with proprietary servo-controlled variable stroke drive, floating plungers, and active inlet valve Setable flow range 0.001 – 10 ml/min, in 0.001 ml/min increments Flow range 0.2 – 10.0 ml/min Flow precision < 0.3 % RSD (typically 0.15 %), based on retention time, at 1 ml/min Pressure (0 – 5 ml/min) 0 – 40 MPa (0 – 400 bar, 0 – 5880 psi) Pressure (5 – 10 ml/min) 0 – 20 MPa (0 – 200 bar, 0 – 2950 psi) Pressure pulsation < 2 % amplitude (typically < 1 %), at 1 ml/min isopropanol, at all pressures > 1 MPa (10 bar) Compressibility compensation User-selectable, based on mobile phase compressibility Recommended pH range 1.0 – 12.5; solvents with pH > 2.3 should not contain acids which attack stainless steel Gradient formation Low pressure quaternary mixing/gradient capability using proprietary high-speed proportioning valve Delay volume 800 – 1100 µl, dependent on back pressure Composition range 0 – 95 % or 5 – 100 %, user selectable Composition precision < 0.2 % SD, at 0.2 and 1 ml/min