Spectral Evolution
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| Brand | Spectral Evolution |
|---|---|
| Model | EZ-ID |
| Origin | USA |
| Instrument Type | Fiber Optic Spectrometer Software Platform |
| Compatible Hardware | All Spectral Evolution oreX-Series and Full-Range Field & Lab Spectrometers |
| Spectral Library Support | USGS, SpecMIN, GeoSPEC High Resolution (optional), Custom Library Builder |
| File Format Compatibility | ASD (.asd), ENVI, ASCII, CSV |
| Spectral Range Support | 350–2500 nm (dependent on connected spectrometer) |
| Algorithm Suite | Correlation Coefficient, Spectral Angle Mapper (SAM), Euclidean Distance, Feature Band Matching |
| Compliance | GLP-compliant metadata logging, FDA 21 CFR Part 11–ready audit trail (with optional secure user authentication module) |
| Brand | Spectral Evolution |
|---|---|
| Origin | USA |
| Model | SR-6500A |
| Spectral Range | 350–2500 nm |
| Resolution | 1.5 nm @ 700 nm |
| Detector Cooling | Triple-stage thermoelectrically cooled Si + InGaAs arrays |
| Spectral Stability (Drift) | ≤0.4% |
| Noise Equivalent Radiance (NER) | 0.8×10⁻⁹ W/cm²/nm/sr @ 400 nm |
| Weight | 5.73 kg |
| Battery Life | 3 h (rechargeable Li-ion, <0.9 kg) |
| Brand | Spectral Evolution |
|---|---|
| Origin | USA |
| Model | NaturaSpec Plus |
| Spectral Range | 350–2500 nm |
| Detector | InGaAs (with Si CCD for VIS-NIR) |
| Resolution | 2.7 nm @ 700 nm |
| SNR | 0.3×10⁻⁹ W/cm²/nm/sr @ 400 nm |
| Weight | 4.5 kg (without internal battery) |
| Data Format | ASCII (.txt), compatible with ENVI, MATLAB, Python, and other spectral analysis platforms |
| Brand | Spectral Evolution |
|---|---|
| Model | PSR-1900 |
| Spectral Range | 350–1900 nm |
| Detector | 512-pixel Si (350–1000 nm) + 256-pixel cooled InGaAs (970–1910 nm) |
| Spectral Resolution | 3.5 nm (350–1000 nm), 10 nm @ 1900 nm |
| Spectral Sampling Interval | ≤1 nm |
| Optical Interface | Interchangeable fore-optics (4°, 8°, 14° FOV) or fiber optic input |
| Integration Time | Adjustable from 1 ms to 60 s |
| Scan Speed | Full-spectrum acquisition in 100 ms (up to 10 Hz) |
| Wavelength Accuracy | ±0.5 nm (FWHM) |
| Wavelength Repeatability | ±0.1 nm |
| Radiometric Noise (4° lens, 0.5 s integration) | 1.0×10⁻⁹ W/cm²/nm/sr @ 400 nm, 1.5×10⁻⁹ W/cm²/nm/sr @ 1500 nm |
| Calibration Traceability | NIST-traceable |
| Data Storage | Onboard memory for 500 spectra |
| Connectivity | USB 2.0 and Bluetooth 4.0 |
| Power | Dual rechargeable Li-ion batteries (7.4 V, ≥2 h field operation) |
| Dimensions | 21.6 × 29.2 × 8.3 cm |
| Weight | 3.3 kg |
| Compliance | CE, FCC, RoHS |