Agilent 1260 Infinity II HPLC VWD detector (G7114A) (Refurbished)

The Agilent 1260 Infinity II Variable Wavelength Detector (VWD), model G7114A, is a high-performance liquid chromatography (HPLC) detector designed for advanced analytical needs. This detector offers exceptional sensitivity and selectivity, ensuring robust quantification of trace-level components in complex samples. With its dual-wavelength capabilities and time-programmable wavelength switching, it maximizes efficiency and flexibility for various applications, ranging from routine quality control to advanced research. The VWD provides high-resolution data acquisition at up to 120 Hz, making it ideal for fast LC analyses. It also integrates modern features such as electronic temperature control (ETC) for stable performance, RFID technology for component traceability, and Agilent Lab Advisor software for diagnostics and analytics​.

Technical Specifications

Physical Characteristics

• Weight: 11 kg (24.3 lbs)
• Dimensions: 140 x 396 x 436 mm (height x width x depth)
• Power Supply: 100–240 V, 50/60 Hz, 80 VA
• Operating Conditions: Temperature: 4–55°C, Humidity: <95% r.h. (non-condensing), Altitude: up to 3000 m​

Performance Specifications

• Detection Type: Double-beam photometer
• Light Source: Deuterium lamp
• Wavelength Range: 190–600 nm
• Wavelength Accuracy: ±1 nm
• Wavelength Precision: <±0.1 nm
• Data Acquisition Rate: 120 Hz (single wavelength); 2.5 Hz (dual wavelength)
• Noise and Drift: <±0.25·10⁻⁵ AU (noise); <1·10⁻⁴ AU/h (drift) at 230 nm
• Linearity Range: >2.5 AU​

Flow Cells and Compatibility

• Standard Flow Cell: 14 µL volume, 10 mm path length, max pressure 40 bar
• Micro Flow Cell: 2 µL volume, 3 mm path length, max pressure 120 bar
• High-Pressure Flow Cell: 14 µL volume, 10 mm path length, max pressure 400 bar​

Control and Communication

• Software Compatibility: Agilent Lab Advisor, Agilent Instant Pilot (G4208A)
• Interfaces: CAN, USB
• Advanced Features: Stop-flow wavelength scan, RFID for flow cell and lamp tracking, Early Maintenance Feedback (EMF) system​

Safety and Maintenance

• Diagnostics and Error Detection: Leak detection, safe handling, and automatic shut-off signals.
• Compliance Standards: IEC, EN, CSA, UL​