Foreoptics control the field-of-view and maximize data collection to better meet specific application requirements. A wide selection of foreoptics lenses are available for use with the FieldSpec® 3 and FieldSpec® HandHeld 2 spectroradiometer systems.
For non-destructive contact measurements and characterization of mineral and ore samples.
Designed for analysis of raw materials requiring reflectance and absorbance measurements of minerals and some inorganic material applications requiring a higher intensity light.
Use with ASD’s family of Contact Probes for non-destructive, one-handed functionality, and improved analysis of live vegetation and other thin heat sensitive targets.
Reference panels are available in calibrated and non-calibrated diffuse white and gray, in varying sizes and reflectance levels, including encapsulated gray scale (NIST/NRC traceable) wavelength and USP standards for USP 1119.
FieldSpec 3 Max Portable Spectroradiometer
The power and reliability of the standard FieldSpec® 3 portable spectroradiometer now with enhanced gratings and detectors for maximum sensitivity and Signal-to-Noise performance in the 1000-2500 nm region.
With its 5-8% increase in sensitivity over the standard model, the FieldSpec 3 Max spectroradiometer is the best choice for most remote sensing applications involving solar spectral reflectance, radiance, and irradiance measurements. Use the FieldSpec 3 Max for spectral data collection in a number of remote sensing and ground truthing applications.
Enjoy maximum Signal-to-Noise ratios for maximum performance in the SWIR 2 region!
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Spectral Range |
350-2500 nm |
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Spectral Resolution |
3 nm @ 700 nm
10 nm @ 1400/2100 nm |
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Sampling Interval |
1.4 nm @ 350-1050 nm
2 nm @ 1000-2500 nm |
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Scanning Time |
100 milliseconds |
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Detectors |
350 - 1000 nm: One 512 element Si photodiode array
1000-2500 nm: Two separate, TE cooled, graded index InGaAs photodiodes |
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Input |
1.5 m fiber optic (25° field of view). Optional foreoptics available. |
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Noise Equivalent Radiance (NEdL) |
UV/VNIR 1.1 x 10 W/cm2/nm/sr @ 700 nm
NIR 2.2 x 10-9 W/cm2nm/sr @ 1400 nm
NIR 4.0 x 10-9 W/cm2nm/sr @ 2100 nm |
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Weight |
12 lbs (5.2 kg) |
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Calibrations |
Wavelength, reflectance, radiance*, irradiance*. All calibrations are NIST traceable. (*radiometric calibrations are optional) |
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Computer |
Windows®-based laptop instrument controller. |
FieldSpec 3 Max Portable Spectroradiometer