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Thermo Dionex UltiMate 3000 RS Variable Wavelength Detector (VWD-3400RS with PCM-3000)
$4,250.00
In Stock
Description
Thermo Dionex Ultimate 3000 RS Variable Wavelength Detector (VWD-3400RS with PCM-3000)
Thermo Dionex Ultimate 3000 RS Variable Wavelength Detector (VWD-3400RS with PCM-3000) is a UV‑visible absorbance detection module designed for high-performance liquid chromatography applications. It operates within the UltiMate 3000 RS platform and provides wavelength-selectable detection for analytical workflows requiring precise measurement of chromatographic peaks.
The VWD‑3400RS utilizes a dual-beam optical design with variable wavelength selection, enabling detection across a wide spectral range. It supports both single and multi-channel acquisition, allowing simultaneous monitoring of multiple wavelengths depending on analytical requirements. The detector is optimized for low noise and minimal baseline drift, supporting reliable quantitation of analytes.
The PCM‑3000 module extends system functionality by enabling inline monitoring of pH and conductivity, providing additional analytical parameters during chromatographic runs. This integration supports workflows where chemical composition and ionic properties of the mobile phase or fractions need to be monitored in real time.
With high data acquisition rates, the system is suitable for rapid separations and UHPLC applications. Its modular design allows integration into existing UltiMate systems, supporting a wide range of laboratory applications from routine analysis to advanced method development.
This refurbished Thermo Dionex Ultimate 3000 RS Variable Wavelength Detector has been fully tested and verified to be in proper working condition by Alliant Scientific.
Includes:
- Thermo Dionex Ultimate 3000 RS Variable Wavelength Detector
- PCM-3000 for VWD
- 30-Day Warranty Coverage
Technical Specifications
| General | |
|---|---|
| Instrument Type | Variable Wavelength Detector (UV-Vis) with pH/Conductivity Monitoring |
| Series | Dionex UltiMate 3000 RS |
| Model | VWD-3400RS with PCM-3000 |
| Detection Principle | Dual-beam photometer (monochromator-based) |
| Optical System | |
| Light Sources | Deuterium lamp (UV) and tungsten lamp (visible) |
| Wavelength Range | 190 – 900 nm |
| Wavelength Accuracy | ± 1 nm |
| Optical Bandwidth | ~6 nm (at 254 nm) |
| Detection Performance | |
| Noise (Typical) | < ±2.5 µAU (254 nm, analytical flow cell) |
| Drift | < 0.1 mAU/h |
| Linearity Range | Up to 2.5 AU |
| Detection Channels | Up to 4 simultaneous UV-Vis channels |
| Data Acquisition | |
| Maximum Data Rate | Up to 200 Hz (single wavelength) |
| Multi-Wavelength Rate | Up to ~5 Hz (multi-channel mode) |
| Spectral Scanning | Full-range wavelength scanning capability |
| PCM-3000 Monitoring Module | |
| Function | Inline pH and conductivity monitoring |
| Measurement Type | Continuous real-time monitoring |
| Integration | Direct coupling with UltiMate 3000 detector systems |
| Application | Gradient monitoring and chemical composition tracking |
| Flow Cell & Compatibility | |
| Flow Cell Types | Interchangeable (analytical, nano, semi-preparative) |
| Flow Range Compatibility | Nano-scale to semi-preparative LC |
| Dispersion | Low dispersion optical and fluidic design |
| Electrical | |
| Power Requirements | 100–240 V AC, 50/60 Hz |
| System Type | Modular LC detector system |
Additional information
| Availability | |
|---|---|
| Brand | |
| Condition | |
| Model | |
| Onsite Installation | |
| Warranty |
Key Features
- Variable wavelength UV-Vis detection from 190 to 900 nm
- Dual lamp optical system for extended spectral coverage
- Up to four simultaneous detection channels
- High-speed acquisition up to 200 Hz for UHPLC applications
- Low baseline noise and drift for high sensitivity
- Integrated PCM-3000 module for inline pH and conductivity monitoring
- Interchangeable flow cells for multiple chromatography scales
- Low dispersion design for accurate peak detection
- Suitable for gradient and isocratic LC methods
Applications
- Pharmaceutical analysis and purity assessment
- HPLC and UHPLC UV-Vis detection workflows
- Gradient monitoring with pH and conductivity tracking
- Chemical compound identification and quantification
- Environmental and food safety analysis
- Biochemical and life science research
Frequently Asked Questions
What does the VWD-3400RS measure?
It measures UV-visible absorbance of compounds during chromatographic separation.
What is the wavelength range?
The detector operates from approximately 190 to 900 nm.
What is the benefit of the PCM-3000 module?
It provides real-time monitoring of pH and conductivity, supporting advanced analytical workflows.
Can it be used with UHPLC systems?
Yes, its high data acquisition rate supports narrow peaks and rapid separations.
How many wavelengths can be monitored at once?
Up to four wavelengths can be monitored simultaneously.
