Agilent 1260 Infinity II HPLC Binary Pump (G7112B) (Refurbished)

The Agilent 1260 Infinity II Binary Pump (G7112B) is an advanced liquid chromatography (LC) solution designed to meet the rigorous demands of modern analytical laboratories. This pump is optimized for a wide variety of LC applications, including those utilizing conventional or superficially porous particle columns and STM column technology. Its high-pressure binary mixing and configurable delay volume enable precise gradient formation and fast, high-resolution separations, making it an ideal choice for applications requiring both high throughput and uncompromised data quality. With seamless integration into UV and mass spectrometry (MS) detection systems, the Agilent 1260 Infinity II Binary Pump is engineered to deliver superior performance, efficiency, and reliability.

Technical Specifications

General Features:

• Configurable delay volume, adjustable down to 120 μL.
• Flow range of 0.001 to 5 mL/min, providing broad application flexibility.
• Integrated two-channel degasser for optimal solvent handling.
• High-pressure mixing for precise gradient formation, suitable for UV-only and LC/MS systems.
• User-configurable standard and low delay volume settings for enhanced versatility.

Physical Specifications:

• Weight: 17.6 kg (38.8 lbs)
• Dimensions: 180 mm (H) x 396 mm (W) x 436 mm (D)
• Line Voltage: 100 – 240 V~ (±10%)
• Power Consumption: 90 VA / 74 W
• Operating Temperature: 4 – 55 °C
• Operating Altitude: Up to 3000 m

Performance Specifications:

• Hydraulic System: Two dual-piston pumps with servo-controlled variable stroke drive.
• Flow Precision: ≤0.07% RSD or <0.02 min SD.
• Flow Accuracy: ±1% or 10 μL/min.
• Pressure Operating Range: Up to 60 MPa (600 bar, 8702 psi).
• Pressure Pulsation: Typically <1.3% amplitude.
• Gradient Composition Range: 0 – 100% (recommended 1 – 99%).
• Integrated Degassing Unit: Two channels, 1.5 mL internal volume per channel.
• Control: Compatible with Agilent control software (e.g., ChemStation, EZChrom, OpenLAB CDS).

Safety and Maintenance:

• Extensive diagnostics and error detection.
• Leak detection and safe leak handling.
• Early maintenance feedback (EMF) system for monitoring seal wear and pumped mobile phase volume.
• Low voltage in major maintenance areas for enhanced safety.