NaturaSpec™ Portable Spectroradiometer

High-Resolution, High-Sensitivity UV-VIS-NIR Spectroradiometer Specifically Designed for Fieldwork


The all-new NaturaSpec™ provides high resolution/high sensitivity in a portable spectroradiometer for field use. The NaturaSpec has a spectral  range of 350-2500nm and three high density photodiode array detectors: 1024 element UV-enhanced Silicon array for 350-1000nm; 512 element Extended InGaAs photodiode array for 1000-1900nm; and a 512 element Extended InGaAs photodiode array for 1900-2500nm. The unit is lightweight and runs off a 100-240V AC Universal 50-60Hz power supply or Lithium-ion batteries.

The NaturaSpec provides high resolution and high sensitivity for  remote sensing applications for in situ field measurements. Applications include:

  • Vegetation studies
  • Environmental research
  • Soil analysis, mapping and profiling
  • Ground truthing
  • Geological remote sensing
  • Solar radiance and irradiance research
  • Species identification
  • Lab applications including materials identification

The NaturaSpec is designed for field work with a rugged chassis, no moving optical parts, and rugged metal clad fiber optic cable that’s field replaceable. It features one touch operation with auto-dark current and auto-exposure. Communications include wireless Bluetooth and USB connection. It includes DARWin™ SP Data Acquisition software that is Windows 7/8/10 compatible and saves all files as ASCII.

The NaturaSpec running EZ-ID™ mineral identification software is well-suited for mineral identification including identification of clays in soil.

EZ-ID provides pattern matching software that matches your target samples against three libraries of known samples for more than 1000 minerals: the USGS, SpecMIN and GeoSPEC libraries.

When used with one of our contact probes - either the 10mm spot size or our 3mm spot size Miniprobe - the NaturaSpec allows a researcher to collect a full day of scans in the field with high resolution and high sensitivity.

The NaturaSpec™ Remote Sensing Bundle

The NaturaSpec remote sensing bundle includes:
  • NaturaSpec spectroradiometer
  • DARWin SP Data Acquisition software
  • Pelican rigid foam lined protective case
  • Custom padded backpack
  • 5x5 inch reflectance standard
  • 1.5 meter metal clad fiber optic with SMA-905  input connector - removable- 25° FOV
  • NIST-traceable calibration of 25° FOV fiber optic cable
  • Pistol grip for fiber optic cable with triggering
  • Rechargeable battery for NaturaSpec and battery charger
  • USB Bluetooth adapter
  • Battery power cable
Accessories subject to change depending on availability.
NaturaSpec field spectroradiometer

NaturaSpec Technical Specifications

  • Spectral range 350-2500nm
  • Photodiode Arrays
    1024 element UV-Enhanced silicon detector (VIS-NIR)
    512 element TE-cooled InGaAs detector (SWIR 1)
    512 element TE-cooled extended InGaAs detector
    (SWIR 2)
  • Minimum scan speed: 100milliseconds
  • Spectral resolution
    2.7nm @ 700nm
    5.5nm @ 1500nm
    5.8nm @ 2100nm
  • Noise Equivalence Radiance (with 1.2 meter fiber optic)
    0.3x10-9 W/cm2/nm/sr @ 700nm
    0.1x10-9 W/cm2/nm/sr @ 1500nm
    2.5x10-9 W/cm2/nm/sr @ 2100nm