Agilent 1260 Infinity II HPLC Quaternary Pump (G7111B) (New)

The Agilent 1260 Infinity II Quaternary Pump (G7111B) is a highly versatile and reliable high-performance liquid chromatography (HPLC) pump designed for analytical and semi-preparative applications. With its ability to handle flow rates up to 10 mL/min and pressures up to 600 bar, this pump ensures high-resolution and fast separations, particularly for columns with smaller particle sizes.

This advanced system enables precise solvent blending and gradient formation, making it ideal for complex method development in various industries, including pharmaceuticals, food, and environmental analysis. Its dual-piston design, integrated degasser, and robust construction materials contribute to long-term durability and low operating costs. Additionally, the 1260 Infinity II Quaternary Pump offers seamless method transfer from conventional to sub-2-micron columns, enhancing productivity and efficiency in laboratory workflows.

Technical Specification

General Specifications

• Model: Agilent 1260 Infinity II Quaternary Pump (G7111B)
• Weight: 14.7 kg (32 lbs)
• Dimensions: 180 × 396 × 436 mm (7.1 × 15.6 × 17.2 inches)
• Power Requirements:
  • Line Voltage: 100–240 V~, ± 10%
  • Line Frequency: 50 or 60 Hz, ± 5%
  • Power Consumption: 80 VA, 65 W
• Operating Conditions:
  • Temperature Range: 4–55 °C (39–131 °F)
  • Humidity: <95% r.h. at 40 °C (non-condensing)
  • Altitude: Up to 3000 m (operating), up to 4600 m (storage)

Performance Specifications

• Hydraulic System: Dual piston in series pump with servo-controlled variable stroke drive
• Flow Rate:
  • Settable: 0.001–10 mL/min (increments of 0.001 mL/min)
  • Recommended: 0.2–10 mL/min
• Flow Precision: ≤0.07% RSD or ≤0.02 min SD (whichever is greater)
• Flow Accuracy: ±1% or 10 µL/min (whichever is greater) at 10 MPa (100 bar) with degassed H₂O
• Pressure Operating Range:
  • Up to 60 MPa (600 bar) at ≤5 mL/min
  • Up to 20 MPa (200 bar) at ≤10 mL/min
• Pressure Pulsation: <2% amplitude or <0.3 MPa (3 bar, 44 psi), whichever is greater
• Gradient Formation: Low-pressure quaternary mixing with a high-speed proportioning valve
• Solvent Blending Capability: Up to 4 solvents
• Delay Volume: 600–900 µL (dependent on back pressure)
• pH Range: 1.0–12.5 (solvents with pH <2.3 should not contain acids that corrode stainless steel)
• Composition Range: 0–100% in 0.1% increments
• Composition Precision: <0.2% RSD or <0.04 min SD, whichever is greater
• Degassing Unit:
  • Number of Channels: 4
  • Internal Volume per Channel: 1.5 mL

Instrument Control & Communication

• Software Compatibility:
  • Agilent Lab Advisor B.02.08 or later
  • LC and CE Drivers A.02.14 or later
• Local Control: Agilent Instant Pilot (G4208A) B.02.20 or later
• Communication Interfaces:
  • Controller-area network (CAN)
  • Enhanced Remote Interface (ready, start, stop, shutdown signals)
  • LAN onboard

Safety & Maintenance

• Diagnostics & Error Detection: Extensive monitoring via Agilent LabAdvisor
• Leak Detection: Automatic leak handling and shutdown signals
• GLP Features: Early maintenance feedback (EMF) for tracking instrument usage and maintenance records
• Construction Materials: Stainless steel, titanium, ruby, sapphire, ceramics, PEEK, and PTFE for durability and low maintenance