OreXpress Field Portable Spectrometer
For Mineral Identification and Analysis
SPECTRAL EVOLUTION OreXpress Spectrometers are ideally suited for mining exploration, mineral identification, and mining production. These spectrometers cover the UV/VIS/NIR spectra using three photodiode arrays with no moving parts.
Advantages of OreXpress Field Portable Spectrometer
- High signal-to-noise ratio for better reflectance values.
- Fast start-up and use, with no optimization step required to start scanning or between scans.
- Collect target data with a single click.
- Mineral identification capabilities are built-in – use our EZ-ID software, compare scans versus existing libraries such as SpecMIN and USGS, or compare against your own custom libraries.
- Our library builder allows you to quickly build new libraries and add to existing libraries.
- Rugged handheld GETAC PS336 handheld microcomputer with a sunlight readable display includes an auto-focus digital camera, e-compass, altimeter, GPS and voice notes, as well as the ability to tag scans with pictures, notes GPS, etc.
- Ergonomic mineral contact probe and rugged metal clad fiber cable.
- Lightweight lithium-ion battery for power in the field.
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Specification
| Spectral Range | 350 – 2500 nm |
| Spectral Resolution | 3 nm ( 350 – 1000 nm ) |
| 8nm @ 1500nm | |
| 6nm @2100nm | |
| Spectral Sampling Bandwidth | Data output reported in 1 nm incre- ments; 2151 channel reported |
| Si Detectors | 512 element Si array ( 350 – 1000 nm ) |
| InGaAs Detectors | 256 element extended wavelength array ( 970 – 1910 nm ) |
| 256 element extended wavelength array ( 1900 – 2500 nm ) | |
| FOV Options | Fiber mount only 1,2,3,4,5,8,10° |
| Stray light | 0.10% |
| Minimum Scan Speed | 100 milliseconds |
| Wavelength Reproducibility | 0.1 nm |
| Wavelength Accuracy | ±0.5 bandwidth |
| Communications Interface | USB, Bluetooth |
| Size | 8.5” x 12” x 3.5” |
| Weight | 7.3 lbs |
| Battery | External Lithium ion; 7.4V |
| Battery Operation | Minimum 2 hour operation |
Applications of OreXpress Spectrometer
Geologists and exploration managers can identify minerals associated with gold, silver, iron, copper, diamonds, aluminum, uranium, and more across a range of deposit types, including epithermals, porphyries, kimberlites, carbonate hosted base metals, shear veins, skarns, and disseminated gold systems.
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