Agilent 1260 Infinity II HPLC Isocratic Pump (G7110B) (Refurbished)

The Agilent 1260 Infinity II Isocratic Pump is ideal for demanding QA/QC tasks and routine applications. It maintains virtually pulse-free and stable solvent flows. The dual floating, precise servo-controlled pistons in the delivery mechanism adjust the stroke volume according to your chosen flow rate.

The optional integrated degasser and solvent selection valve offers increased ease-of-use and method flexibility. The pump can deliver a broad range of pressures up to a maximum 600 bar, giving you the flexibility to use small particle size columns, longer columns or alternative higher viscosity solvents. The Agilent 1260 Infinity II Isocratic Pump is the ideal pump for GPC/SEC applications where run-to-run and day-to-day precision in retention times is crucial.

Key features

• Higher resolution and increased throughput with the new standard 600 bar pressure for modern LC columns.  
• Low operating and maintenance costs - due to excellent instrument uptime.
• Future proof - your investment is protected since you can upgrade to a quaternary pump if required. 
• Versatile wide flow range – from 0.2 mL/min to 10 mL/min for analytical and semi-preparative separations and purifications. 
• Fast and easy maintenance - front access to all maintenance parts means you can change components quickly without having to disassemble the instrument. 
• Longevity and low operating costs - robust materials (stainless steel, titanium, gold, ruby, sapphire, ceramics, PEEK and PTFE) withstand the most demanding applications and keep your pump functioning for years. Our optional seal wash for high-salt mobile phases keeps maintenance to a minimum and reduces operating costs.

Physical Specifications

• Weight: 14.0 kg (31 lbs)
• Dimensions (H × W × D): 180 × 396 × 436 mm (7.1 × 15.6 × 17.2 inches)
• Line Voltage: 100 – 240 V~, ±10% (wide-ranging capability)
• Line Frequency: 50 or 60 Hz, ±5%
• Power Consumption: 80 VA, 65 W
• Operating Temperature: 4 – 55°C (39 – 131°F)
• Non-Operating Temperature: -40 – 70°C (-40 – 158°F)
• Humidity: < 95% r.h. at 40°C (non-condensing)
• Operating Altitude: Up to 3000 m (9842 ft)
• Non-Operating Altitude: Up to 4600 m (15092 ft) (for storage)
• Safety Standards: IEC, EN, CSA, UL certified
• Installation Category: II
• Pollution Degree: 2 (for indoor use only)
• ISM Classification: ISM Group 1 Class B (CISPR 11 standard)​

Performance Specifications

• Hydraulic System:

  • Pump Type: Dual piston in series pump with servo-controlled variable stroke drive
  • Power Transmission: Gears and ball screws
  • Floating Pistons: Ensures stable solvent delivery

• Flow Rate Specifications:

  • Settable Flow Range: 0.001 – 10.0 mL/min (adjustable in 0.001 mL/min increments)
  • Recommended Flow Range: 0.2 – 10.0 mL/min
  • Flow Precision: ≤0.07% RSD or ≤0.02 min SD (whichever is greater) based on retention time at constant room temperature
  • Flow Accuracy: ±1% or 10 µL/min (whichever is greater) using degassed H₂O at 10 MPa (100 bar)

• Pressure Handling:

  • Operating Pressure Range:
    • Up to 600 bar (8700 psi) at ≤ 5 mL/min
    • Up to 200 bar (2950 psi) at > 5 – 10 mL/min
  • Pressure Pulsation:
    • < 2% amplitude (typically < 1.3%)
    • < 0.3 MPa (3 bar, 44 psi) at 1 mL/min isopropanol at pressures > 1 MPa

• Additional Features:

  • Compressibility Compensation: User-selectable, adaptable based on mobile phase properties
  • Instrument Control: Compatible with Agilent Lab Advisor B.02.08 or above
  • Local Control: Supported via Agilent Instant Pilot (G4208A) B.02.20 or above

• Connectivity & Communication:

  • Interfaces:
    • Controller-Area Network (CAN)
    • Enhanced Remote Interface (ready, start, stop, shutdown signals)
    • Onboard LAN for remote access

• Safety & Maintenance:

  • Diagnostics: Built-in error detection and extensive diagnostics via Agilent LabAdvisor
  • Leak Detection: Automatic shutdown upon leak detection for safe operation
  • GLP Features:
    • Early Maintenance Feedback (EMF) for tracking wear of seals and solvent usage
    • Electronic records of maintenance and system errors

Note: For flow rates below 500 µL/min, the use of a vacuum degasser is recommended