Thermo Scientific Dionex ICS-Series VWD Variable Wavelength Detector P/N 070220
- Make Thermo Scientific
- Hertz 50Hz/60Hz
- Model Dionex ICS-Series VWD
- Serial 23020403
- Weight 41
- Voltage 120V/220V
- Working Working
- Includes Power Cord
- Warranty 30-Day Warranty, 100% Parts and Labor
- Dimensions 32×23×18 in
- Shipping Type Freight
- Item Condition Pre-owned
- Manufacturing Date 2023/02/02
Thermo Scientific Dionex ICS-Series VWD Variable Wavelength Detector P/N 070220
***VWD is preowned with minimal wear from normal use. Unit powers on without errors, will need to be connected to software to fully test. (Instrument does not include flow cell.) See photos for further details.
The Thermo Scientific Dionex™ ICS Series Variable Wavelength Detector (Dionex VWD) is a high-quality instrument designed for IC analysis applications requiring a UV-Vis detector and for LC analysis applications requiring an inert (PEEK™) flow path. The Dionex VWD can be used with the following Thermo Scientific Dionex systems: the ICS-5000 (analytical systems only), ICS-2100, ICS-1600, ICS-1100, and ICS-900 (as well as some legacy systems). The Dionex VWD can be used in numerous laboratory environments for routine analysis, as well as for sophisticated research tasks.
Two versions of the Dionex VWD are available: a single-channel version (P/N 070220) and a four-channel version (P/N 070221).
- The detector is a dual-beam, variable-wavelength photometer with one measurement and one internal reference beam.
- Two light sources, a deuterium lamp for ultraviolet detection and a tungsten lamp for visible and near-infrared wavelength detection, provide a wavelength detection range from 190 to 900 nm.
- The four-channel detector measures at up to four wavelengths, by indexing between wavelengths several times per
- The wavelength accuracy can be verified via the built-in holmium oxide filter.
- The detector is controlled with a PC (personal PC)
- Running Microsoft® Windows Vista® or Windows® XP and either the Thermo Scientific Dionex Chrome Leon® 7 Chromatography Data System or Chrome Leon® 6.8 Chromatography Data System. Chrome Leon 7 and Chrome Leon 6.8 also provide data acquisition and data processing functions.
NOTE Thermo Scientific Dionex Chrome Leon® Xpress software can provide real-time control and monitoring of the detector but does not include data management capabilities.
Manufacturer's Specifications:
Optical System | Double-beam forward optics design (monochromator) Dual-wavelength UV-VIS detector |
Light Sources | Deuterium lamp (for ultraviolet wavelength detection) Tungsten lamp (for visible wavelength detection |
Wavelength Range | 190 to 900 nm |
Wavelength Accuracy |
±1 nm (over detector lifetime) |
Wavelength Repeatability |
±0.1 nm |
Noise (single wavelength) |
<± 3.5 µAU (typical <± 2.5 µAU) under the following conditions: Dry (dummy) flow cell, 254 nm, 1 second time constant, deuterium lamp on only, 60 minutes or less of warm-up time < 5.0 µAU (typical) under the following conditions: Dry (dummy) flow cell, 520 nm, 1 second time constant, tungsten lamp on only, 60 minutes or less of warm-up time < 7.5 µAU (typical) under the following conditions: Wet standard cell, 520 nm, flowing methanol at 1.0 mL/min, 1 second time constant, tungsten lamp on only, 60 minutes or less of warm-up time |
Noise (dual wavelength |
<± 25 µAU (typical <± 10 µAU) under the following conditions: |
Drift | <1 x 10-4 AU/hour under the following conditions: Dry (dummy) flow cell, 254 nm, deuterium lamp on only, 60 minutes or less of warm-up time, constant ambient conditions (Temperature, humidity) <1 x 10-4 AU/hour under the following conditions: Dry (dummy) flow cell, 520 nm, tungsten lamp on only, 60 minutes or less of warm-up time, constant ambient conditions (Temperature, humidity |
Wavelength Calibration |
Internal calibration with zero order and D-alpha line of the deuterium lamp |
Wavelength Verification |
Internal verification with holmium oxide filter |
Data Collection Rate (single wavelength) |
Adjustable, up to 10 Hz (single-channel Dionex VWD) or 100 Hz (Four-channel Dionex VWD) |
Data Collection Rate (multiple wavelength) |
Adjustable, up to 5 Hz, depending on the number of wavelengths. (2 to 4) and the distance between the wavelengths (in nm) |
Optical Bandwidth | 6 nm at 254 nm |
Identification System |
Storage of identification and status information, including the lamp type, serial number, number of lamps starts, lamp age, and lamp intensity |
Digital I/O | |
Inputs | Four digital inputs |
Outputs | Four digital outputs |
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