Used Lab Equipment

Used Lab Equipment

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Agilent 1260 Series - G1311B HPLC Quaternary Pump

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Agilent 1260 Series - G1311B HPLC Quaternary Pump

Agilent 1260 Series - G1311B HPLC Quaternary Pump

Cambridge Scientific ID #: 20561

1260 Infinity - G1311B 

The quaternary pump comprises an optional solvent cabinet, a vacuum degasser

 and a four- channel gradient pump. The four- channel gradient 

pump comprises a high- speed proportioning valve and a pump assembly. 

It provides gradient generation by low pressure mixing. A solvent cabinet 

provides enough space for four one- liter bottles. An active seal wash 

(optional) is available when the quaternary pump is used with 

concentrated buffer solution 


  • Hydraulic System: Dual piston in series pump with servo-controlled variable stroke drive, 
  • power transmission by gears and ball screws, floating pistons 
  • Setable Flow Range: Set points 0.001 – 10 mL/min, in 0.001 mL/min increments 
  • Flow Range: 0.2 – 10.0 mL/min 
  • Flow Precision: ≤ 0.07 % RSD, or ≤ 0.02 min SD whatever is greater, based on retention time at constant room temperature 
  • Flow Accuracy: ±1 % or 10 µL/min whatever is greater, pumping degassed H2O at 10 MPa (100 bar) 
  • Pressure Operating Range: Operating range up to 60 MPa (600 bar, 8700 psi) up to 5 mL/min, Operating range up to 20 MPa (200 bar, 2950 psi) up to 10 mL/min 
  • Pressure Pulsation: < 2 % amplitude (typically < 1.3 %), or < 0.3 MPa (3 bar), whatever is greater, at 1 mL/min isopropanol, at all pressures > 1 MPa (10 bar,147 psi) 
In Stock Worldwide Shipping Call: 1-877-Used-Lab

Our used lab equipment is fully refurbished, guaranteed to work up to manufacturers specifications and are delivered to our customers in as close to new condition as possible. Typical turnaround for refurbishing of used lab equipment is 2-4 weeks. They also come with our standard 6 Month parts and labor warranty. Prices do not include S/H unless otherwise indicated. Pictures enclosed and the actual unit may vary unless specified.


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