FieldSpec 4 Series

A fast, precise and truly field-portable spectroradiometer designed by researchers, for researchers to perform solar spectral reflectance, radiance, and irradiance measurements.

Analytik are exclusive UK and Ireland suppliers of ASD’s high performance portable spectroradiometers. ASD Inc. is the World leader for instrumentation used in remote sensing for the rapid collection of field spectra.

We will be happy to work together with you on a solution with the full support of the ASD team, based in Colorado, USA. Visit our contact page, request a quote, or call us on +44 (0)1954 232 776.


FieldSpec 4

The ability to collect solar reflectance, radiance, irradiance and reflectance spectral data, means any of the FieldSpec 4 spectroradiometers (Standard-Res, Hi-Res and Wide-Res) are ideal for applications in remote sensing, oceanography, ecology, forestry, plant physiology and geology.

The FieldSpec 4 series offers ASD’s state-of-the-art remote sensing technology with dramatically improved speed, performance and portability over previous models. The full-range Vis/NIR (350-2500 nm) spectroradiometers feature several enhanced capabilities including:

  • Improvements in the SWIR 1 and 2 regions (1000-2500 nm), allowing researchers to cover twice the area in half the time as the FieldSpec 3.
  • New spectrometer configuration provides double the signal-to-noise ratio performance as previous ASD portable spectrometers.

All FieldSpec 4 spectroradiometers come in a small, lightweight, impact-resistant case and a convenient backpack travel cover. A robust cable protects the fiber optics to significantly reduce the risk of fiber breakage and an expanded wireless range adds flexibility by helping users capture spectra farther from the instrument controller.

Key Features:

  • Portable, rugged and robust, yet with no compromise in performance
  • 350-2500 nm spectral range
  • Extreme sensitivity with Cooled InGaAs TurboScanner™ technology
  • 2151 data points per spectra (1 nm data interval)
  • Fast, real time measurement – complete spectra collected in 100 ms (0.1 sec)
  • Unique low stray light post dispersive optical system
  • Ethernet wireless connectivity as standard
  • ASD Driftlock™ for ultimate stability
  • Battery monitor, runtime meter and detector stability indicators

FieldSpec 4 Models:

  • The FS4 Standard-Res, with a 10 nm resolution, is suitable for a wide range of applications
    including hyperspectral image interpretation and validation.
  • The FS4 Hi-Res, with an 8 nm resolution, is well suited to geological applications and other fields of research
    that require definition of narrow spectral features, especially in the longer wavelengths.
  • The FS4 Wide-Res captures spectra with 30 nm resolution, making it the preferred choice for measuring materials
    with broad spectral features such as plant physiology.

Request a quote for FieldSpec 4 or call us on +44(0)1954 232 776.




PDF Icon FieldSpec 4 Series Datasheet

PDF Icon FieldSpec 4 Standard-Res Datasheet

PDF Icon FieldSpec 4 Hi-Res Datasheet

PDF Icon FieldSpec 4 Wide-Res Datasheet

PDF Icon FieldSpec 4 Series Chart

News & User Stories

PDF Icon Analytik report on how the NPL applies the ASD FieldSpec 4 in their measurements of vegetation

PDF Icon Analytik announce the availability of the new ASD FieldSpec 4 High Resolution NG spectroradiometer

PDF Icon Analytik announces the UK & Irish release of ASD’s FieldSpec 4 portable spectroradiometer line

PDF Icon FieldSpec 3 – The Next Generation of Field Spectroradiometers

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