Agilent 1290 Infinity DAD detector (G4212A) (Refurbished)

The Agilent 1290 Infinity Diode Array Detector (DAD), model G4212A, is a high-performance component of Agilent's HPLC systems. Designed for both conventional and ultra-fast liquid chromatography applications, the G4212A offers advanced optical performance, exceptional sensitivity, and robust reliability. This detector enables simultaneous multi-wavelength and full spectral analysis with a sampling rate of up to 160 Hz, making it ideal for high-throughput environments. Key features include a programmable micro-slit system, RFID-enabled UV lamp and flow cell tracking, and enhanced electronic temperature control to ensure maximum baseline stability under varying environmental conditions. The innovative Max-Light Cartridge Flow Cell design allows for efficient light transmission, reduced noise, and easy maintenance, supporting a wide range of applications, from bio-inert to standard LC analyses​

Technical Specification

Detection and Light Source

• Detection Type: 1024-element photodiode array.
• Light Source: Deuterium lamp with RFID tag for lamp information storage.
• Wavelength Range: 190 – 640 nm.

Optical and Performance Features

• Noise Level (ASTM): < ±3 × 10⁻⁶ AU at 230 nm (4 nm slit) with a 10 mm Max-Light cartridge cell.
• Drift: < 0.5 × 10⁻³ AU/hr at 230 nm.
• Linear Absorbance Range: > 2.0 AU (5%) at 265 nm.
• Wavelength Accuracy: ±1 nm after recalibration.
• Slit Widths: Programmable (1, 2, 4, 8 nm).
• Signal and Spectral Data Rate: Up to 160 Hz.

Flow Cells

• Max-Light Cartridge Flow Cells available in various configurations, including:
  • Standard (10 mm, 1.0 µL, 60 mm, 4.0 µL).
  • Bio-inert options for sensitive applications.

Environmental and Physical Parameters

• Weight: 11.5 kg (26 lbs).
• Dimensions: 140 mm × 345 mm × 435 mm.
• Operating Temperature Range: 4°C – 40°C.
• Power Supply: 100 – 240 VAC, 50/60 Hz.

Connectivity and Control

• Local Control: Agilent Instant Pilot (G4208A) or Agilent LabAdvisor software.
• Interfaces: CAN, LAN, RS-232C, APG Remote.
• Analog Outputs: Recorder/integrator range of 0.001 – 2 AU.

Safety and Maintenance Features

• Integrated diagnostics, leak detection, and low-maintenance design.
• Early Maintenance Feedback (EMF) tracks instrument usage and provides alerts for lamp and component maintenance​