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          • FieldSpec
            • FieldSpec 4 Standard-Res Spectroradiometer
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        Fore Optics

        Fore Optics

        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.

        Hi-Brite Contact Probe

        Hi-Brite Contact Probe

        For non-destructive contact measurements and characterization of mineral and ore samples.

        Hi-Brite Muglight

        Hi-Brite Muglight

        Designed for analysis of raw materials requiring reflectance and absorbance measurements of minerals and some inorganic material applications requiring a higher intensity light.

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        Leaf Clip

        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.

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        Reference Panels

        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 4 Standard-Res Spectroradiometer

        • Overview
        • Technical Specs
        • Accessories
        •  
        •  
        •  

        The New Standard in Field Spectroscopy

        Ideally suited to meet the needs of today’s researcher, the FieldSpec®4 Standard-Res spectroradiometer offers ASD’s state-of-the-art remote sensing technology with dramatically improved speed, performance and portability over previous models. This full-range Vis/NIR (350-2500 nm) portable spectrometer features enhanced capabilities in the SWIR 1 and 2 regions, as well as double the signal-to-noise performance, allowing you to cover more ground without losing any data quality.

        • Improvements in the SWIR 1 and 2 regions allow researchers to cover twice the area in half the time as the FieldSpec 3.
        • New spectrometer configuration provides double the signal-to-noise ratio performanceas previous ASD portable spectrometers.
        • New ruggedized fiber optic cable and a compact, impact-resistant case make the FieldSpec 4 Standard-Res field ready and highly portable.

        The FieldSpec 4 Standard-Res, with a 10 nm resolution, comes in a mobile package with a small, lightweight, impact-resistant case and a convenient backpack travel cover. A new ruggedized cable protects the fiber optics, nearly eliminating fiber breakage. An expanded wireless range adds flexibility by helping users capture spectra farther from the instrument controller.

        The FieldSpec 4 is ideal for a wide range of applications, including hyperspectral image interpretation, crops and soils research, and radiometric calibration. 

        Spectral Range 350-2500 nm
        Spectral Resolution 3 nm @ 700 nm
        10 nm @ 1400/2100 nm 
        Sampling Interval 1.4 nm @ 350-1050 nm
        2 nm @ 1000-2500 nm
        Scanning Time 100 milliseconds
        Stray light specification VNIR 0.02%, SWIR 1 & 2 0.01%
        Wavelength reproducibility 0.1 nm
        Wavelength accuracy 0.5 nm
        Maximum radiance VNIR 2X Solar, SWIR 10X Solar
        Channels 2151
        Detectors VNIR detector (350-1000 nm): 512 element silicon array
        SWIR 1 detector (1000-1800 nm): Graded Index InGaAs Photodiode, TE Cooled
        SWIR 2 detector (1800-2500 nm): Graded Index InGaAs Photodiode, TE Cooled
        Input 1.5 m fiber optic (25° field of view). Optional narrower field of view fiber optics available.
        Noise Equivalent Radiance (NEdL) VNIR      1.0 X10-9 W/cm2/nm/sr @ 700 nm
        SWIR 1  1.2 X10-9  W/cm2/nm/sr @ 1400 nm
        SWIR 2  1.9 X10-9  W/cm2/nm/sr @ 2100 nm
        Weight 5.44 kg (12 lbs)
        Calibrations

        Wavelength, absolute reflectance, radiance*, irradiance*. All calibrations are NIST traceable. (*radiometric calibrations are optional)

        Computer

        Windows® 7 64-bit laptop (instrument controller)

        Warranty

        One year full warranty including expert customer support


      • FieldSpec 4
        • FieldSpec 4 Standard-Res Spectroradiometer
        • FieldSpec 4 Hi-Res Spectroradiometer
        • FieldSpec 4 Wide-Res Spectroradiometer
      • FieldSpec 3
        • FieldSpec 3 Portable Spectroradiometer
        • FieldSpec 3 Hi-Res Portable Spectroradiometer
        • FieldSpec 3 Max Portable Spectroradiometer
      • HandHeld 2 Portable Spectroradiometer
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