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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.

      Leaf Clip

      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.

      Reference Panels

      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
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      The New Standard in Portable Field Spectroscopy

      Ideally suited to meet the needs of today’s researcher, the FieldSpec®4 Standard-Res portable 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 spectroradiometer 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 spectroradiometer, with a 10 nm resolution at 1001-2500 nm, 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 spectroradiometer is ideal for a wide range of applications, including hyperspectral image interpretation, crops and soils research, and radiometric calibration.

      Learn more about the FieldSpec 4 line of spectroradiometers.

      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 Standard-Res Spectroradiometer
    • FieldSpec 4
      • FieldSpec 4 Standard-Res Spectroradiometer
      • FieldSpec 4 Hi-Res Spectroradiometer
      • FieldSpec 4 Wide-Res Spectroradiometer
    • HandHeld 2 Portable Spectroradiometer
    • ASD on GSA

      Remote sensing reference measurements

      NIR Community Blog

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        June 14, 2013

      • Photos from Excelis' VISualize 2013 - Taking Measurements of Vegetation with a FieldSpec 4 Spectroradiometer

        June 12, 2013

      Read All

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