Duetta
Fluorescence and Absorbance Spectrometer
Duetta™ is a 3‑in‑1 spectrofluorometer that combines fluorescence and absorbance measurements with high‑speed CCD detection, acquiring full spectra from 250 nm to 1,100 nm in under one second. A‑TEEM™ technology provides real‑time inner filter effect correction for precise, reproducible data in research, QA/QC, and teaching labs.
Why Choose Duetta
- Three‑in‑one spectrometer — Fluorescence, absorbance & A‑TEEM™ on one platform
- UV‑Vis‑NIR range — 250 nm–1,100 nm detection
- Full 3‑D EEM acquisition — <1 s per spectrum
- Best‑in‑class sensitivity — 6,000:1 RMS Water Raman
- Real‑time IFE correction — Automatic primary & secondary filter compensation
- Touch‑screen EzSpec™ software — Intuitive app‑based workflow
Key Advantages of Duetta
High‑Speed Acquisition
Enables rapid data collection
Superior Sensitivity
Detects low‑concentration signals
3‑in‑1 Functionality
Simplifies complex analyses
Intuitive Software
Streamlines experiment setup and review
Applications of Duetta
Environmental Monitoring
Simultaneous absorbance & fluorescence for water quality assessment
Biomedical Research
Real‑time molecular fingerprinting in protein studies
Material Science
Rapid UV‑Vis‑NIR characterization of nanomaterials
Pharmaceutical Analysis
High‑throughput screening of fluorescent drug assays
Education & Training
Undergraduate fluorescence labs with built‑in tutorials
Catalyst Development
EEM‑based inner filter‑corrected catalyst performance evaluation
Technical Specifications of Duetta
| Duetta | Duetta-Bio | |
| Acquisition Modes | Absorbance and Fluorescence Spectrometer | |
| Fluorescence Sensitivity | Water Raman SNR >6,000:1 RMS, 350 nm excitation, 5 nm slits | |
| Spectral Acquisition Rate | 510,000 nm/min | |
| EEM Acquisition Rate | As fast as 1 second (sample and wavelength dependent) | |
| A-TEEM Acquisition Rate | As fast as 30 seconds (sample and wavelength dependent) | |
| Fluorescence Detector | CCD/Spectrograph | |
| Fluorescence Detector Range | 250 to 1,100 nm | |
| Fluorescence Bandwidth | 1, 2, 3, 5,10, 20 nm (excitation and emission) | |
| Light Source | 75 W Xenon arc lamp. Dedicated cartidge for snap-in replacement | |
| Excitation/Absorbance Wavelength Range | 250 to 1,000 nm | |
| Absorbance Detector | Silicon Photodiode | |
| Absorbance Detector Range | 250 to 1,000 nm | |
| Absorbance Bandwidth | 1, 2, 3, 5,10, 20 nm | |
| Absorbance Range | 0 to 2 A | |
| Absorbance Accuracy | +/- 0.02 A | |
| Wavelength Accuracy | +/- 1 nm | |
| Computer Requirements | Windows 10 or 11 64-bit OS, laptop or PC with at least 1 USB port (more for additional accessories) | |
| Software | EzSpec™ | |
| Dimensions (W x D x H) | 17 x 20.4 x 14.4 inches; 43.18 x 51.816 x 36.576 cm | |
| Weight | 45 pounds; 20.4 kg | |
| Polarizers (Time of Purchase) | Not Available | Yes (280 to 750 nm) |
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