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| Brand | Rayleigh |
|---|---|
| Origin | Beijing, China |
| Model | WQF-600N |
| Instrument Principle | Fourier Transform (FT) |
| Wavenumber Range | 3300–10000 cm⁻¹ |
| Spectral Resolution | < 4 cm⁻¹ |
| Wavenumber Accuracy | Better than half the set resolution |
| Transmittance Repeatability | ±0.5% T |
| Signal-to-Noise Ratio (S/N) | >10,000:1 (RMS, 32 scans at 4300–4400 cm⁻¹) |
| Beam Splitter | CaF₂ |
| Detector Options | DTGS (PbS, InGaAs optional) |
| Light Source | Air-cooled tungsten-halogen lamp |
| Data System | PC-based with Windows OS |
| Software | Full-featured FT-NIR acquisition, preprocessing, chemometric modeling, and spectral analysis suite compliant with ASTM E1655 and ISO 12099 |
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