Wincom Company supplies high-performance, research-grade True Double-Beam UV-Vis Spectrophotometers (often classified alongside premium dual split-beam platforms).

While split-beam (proportion monitor) systems split the beam to track light source stability internally, a True Double-Beam system utilizes a dynamic chopper to alternate the light path continuously between a Sample cell and an independent Reference cell simultaneously. This configuration delivers the absolute highest baseline stability, zero-drift accuracy, and performance required for advanced pharmaceutical R&D, structural chemical scans, and sensitive molecular biology applications.

1. Top True Double-Beam Model: Wincom UV2800

The UV2800 is Wincom’s premier standalone workstation featuring a true double-beam configuration with a highly focused spectral bandwidth.

Core Technical Specifications

• Optical System: True Double-Beam optical path using a high-density 1200 lines/mm holographic blazed grating.

• Wavelength Range: 190 nm to 1100 nm (Full UV-Visible boundaries).

• Spectral Bandwidth: Tightly controlled 1.8 nm (ideal for resolving sharp, overlapping chemical absorption peaks).

2. Advanced Alternative: Wincom UV2400 (Proportion Monitor Double Beam)

If your application demands high stability but at a slightly more flexible budget point, the UV2400 bridges the gap as a dual-path monitor platform.

• Wavelength Range: 190 nm to 1100 nm

• Spectral Bandwidth: 1.8 nm

• Key Interface Setup: Designed primarily for direct synchronization with specialized PC scanning software via a built-in USB communication link, enabling complex curve subtraction, 3D mapping, and multi-wavelength processing.

Key Optical Advantages over Single Beam

• Simultaneous Blank Subtraction: Automatically balances and cancels out any absorbance fluctuations contributed by the solvent blank in real-time.

• Lamp Life Tracking: System alternates smoothly between pre-aligned Deuterium (UV) and Tungsten-Halogen (Visible) sources with software-managed power toggles to prolong lamp longevity.

• Expansive Sample Bay: Easily fits multi-cell manual changers, temperature-controlled Peltier cuvette holders, or long pathlength cells up to 100mm.