The PAT-Wx is the hazardous location version of the popular VIAVI PAT-W wireless miniature process spectrometer. Its compact, lightweight design and automatic triggering function make it ideal for use on dynamic process equipment like tumble blenders. Since it is wireless and safe in the presence of flammable gases, vapors, or dust, the PAT-Wx is also suited to diverse process monitoring applications in hazardous environments. As a member of the MicroNIR product family, it enables moving a process directly to production in a hazardous location using chemometric models and processes developed elsewhere. The PAT-Wx integrates readily with process equipment of all types and sizes, with the performance and stability to support truly efficient – and scalable – manufacturing.

Key Features

  • Rechargeable Li-ion battery with over 8 hours of continuous run time
  • Wi-Fi connection to host via included router
  • Integrated motion-sensitive triggering
  • Compatible with all MicroNIR chemometric models
  • Washable, IP67 - and IP65 -rated enclosure
  • Integrated PC enables fast and secure store and forward of collected spectral data


  • HazLoc reinforced housing
  • Certified ATEX, NEC, and IECEx compliant
  • Secure battery cover (tool only)
  • Recessed multifunction button
  • HazLoc compatible battery
  • Concealed electrical connections


  • Non-invasive, real-time NIR analysis for hazardous manufacturing locations
  • Safe in the presence of flammable gases, vapors, fibers, or dust


  • Pharmaceutical Manufacturing
    • Tumble blending
    • Fluid bed drying
    • High shear mixing
    • Granulation
    • Tableting
  • Food and Feed Manufacturing
    • Tumble blending
    • Grain & flour processing
    • Moisture, protein, fat, and sugar analysis
  • Industrial Processing
    • Explosives manufacturing
    • Polymers & petrochemicals

Please check the VIAVI MicroNIR™ PAT-Wx Wireless NIR Spectrometer brochure.

To learn more please visit the official website.