Terraspec 4 Hi-Res

Spectrometer by Malvern Panalytical

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The Terraspec 4 Hi-Res from Malvern Panalytical is a VIS/NIR Portable Spectrometer that operates at a wavelength of 350 nm - 2500 nm. It has a spectral resolution of 3 nm (at 700 nm) and 6 nm (at 1400/2100 nm). This spectrometer has a wavelength accuracy of 0.5 nm, wavelength reproducibility of 0.1 nm and requires a scanning time of 100 milliseconds. It has a photometric noise of 48 µAU in the VNIR (at 700 nm) & SWIR 1 (at 1400 nm) regions and 110 µAU in the SWIR 2 (at 2100 nm) region. This spectrometer has 2151 channels with a 512 element NIR-enhanced silicon array VNIR detector and (1001-1800 nm) & (1801-2500 nm) Graded Index InGaAs Photodiode, two-stage TE Cooled SWIR 1 & 2 detectors. It can be connected either using 10/100 Base T Ethernet port with Ethernet cross-over cable or an 802.11g/n wireless card.

The Terraspec 4 Hi-Res features the de facto technology for measuring the spectral reflectance of minerals. This spectrometer can have additional accessories like Hi-Brite Contact Probe, Hi-Brite Mug Light, rapid analysis probe, small diameter reflectance probe and a specially designed backpack for increased portability. It has RS3 spectral acquisition software, compatibility with The Spectral Geologist and SpecMin, seamless interface with ENVI®, ASD ViewSpec Pro for post processing and Indico® Pro spectral acquisition software. This spectrometer requires a DC supply of 12 V or an AC supply of 90 – 240 V and consumes 60 W of power. It is available in a portable handheld package that measures 12.7 x 36.8 x 29.2 cm and is ideal for mineral exploration, deposit mapping, mineral assemblage identification, drill cuttings analysis, core logging, determining geochemical gradients, clay species delineation and faster vectoring to ore body applications.

Product Specifications View similar products

Product Details

  • Part Number
    Terraspec 4 Hi-Res
  • Manufacturer
    Malvern Panalytical
  • Description
    350 nm - 2500 nm, VIS/NIR Portable Spectrometer for Precise Mineral Exploration Applications


  • Applications
    Mineral exploration, Deposit mapping, Mineral assemblage identification, Drill cuttings analysis, Core logging, Determining geochemical gradients, Clay species delineation, Faster vectoring to ore body

Connections & Interface

  • Interface

General Parameters

  • Measuring Techniques
    NIR Spectroscopy
  • Spectrometer Type
    Portable, Handheld
  • Wavelength Range
    350 to 2500 nm
  • Spectral Resolution
    3 to 6 nm
  • Spectrum Band
  • Detector
  • Operating System
    Windows 7 (64-bit)
  • Supply Voltage
    12 VDC
  • Wavelength accuracy
    0.5 nm
  • Wavelength Reproducibility
    0.1 nm


  • Storage Temperature
    -15 to 45 Degree C

Physical Properties

  • Weight
    5.44 kg
  • Dimension
    12.7 x 36.8 x 29.2 cm (H x W x D)

Technical Documents

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