PVM V825 Ex Technology

Inline Particle Microscope for Process Environments

PVM enables scientists and engineers to view and save real-time microscope-quality images of the crystals, particles and droplets as they naturally exist in process - at full process concentration.

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PVM V825 is designed for R&D and process monitoring at any scale, facilitating faster investigation, understanding and monitoring of particle and droplet systems within virtually all industrial working environments. Principle features of the PVM V825 include:

  • Identical microscope quality resolution as the gold standard PVM V819 probe-based microscope (2 µm and above)
  • Robust and rugged 25 mm diameter probe design for 24/7/365 operation in industrial environments
  • High pressure versions (to 150 bar) are also available


Particle Vision and Measurement (PVM) is a probe-based vision tool that provides immediate, critical insight into crystal, particle, and droplet systems. PVM enables chemists and engineers to instantly detect and understand process changes and gain confidence in optimized process efficiency that could otherwise take months using traditional techniques. This allows for better control of particles or droplets in the process environment.

  • Visualize and Understand Particles and Droplets - By capturing thousands of images per experiment without the need for sampling, PVM helps to immediately visualize changes to particles and droplets and gain early insight into process challenges.
  • Identify and Troubleshoot Process Changes or Upsets - PVM images quickly identify changes in fines, oil formation, shape/morphology, or agglomeration. Users can screen experimental parameters, gain early determination of process scalability and ensure product quality.
  • High Resolution Images - PVM provides microscope quality images in real time to characterize particle systems from 2μm to 1mm at full process concentrations.
Технические характеристики - PVM V825 Ex Technology
Назначение Pilot Plant or Production<br>ATEX Environment
Imaging Backscattered images, transmission images with use of RE Window
Illumination Internal light source: Standard: 6 lasers<br>RE-Window: 8 total lasers
Field of View 1075μm x825μm
Разрешение 2 to 1000μm
Probe Diameter 25mm
Probe Wetted Length 303mm
Probe Wetted Alloy C22
Window Sapphire
Standard Window Seals Kalrez®
Probe/Window Options RE Window (RE Window capability available as replaceable window - can be ordered separately as necessary)
Pressure Rating (Probe) 10barg (standard)<br>up to 150barg (custom)
Temperature Rating (Probe) -10 to 120°C
Conduit Length 10m [32.8ft]
Enclosure Description Stainless field enclosure with over-pressure protection (Nema 4X; IP66; rated for ATEX Zone 1,21)
Temperature Range (Base/Field Unit) -20 to 40°C
Base/Field Unit Dimensions (NOT shipping dimensions) Height: 522mm [20.6in]<br>Width: 486mm [19.1in]<br>Depth: 251mm [9.9in]
Certifications CE Approved, Class 1 Laser<br>ATEX: Field Unit - Zone 1, 21<br>Probe - Zone 0, 20
Air Requirements Purge Requirements for ATEX Rating<br>Pressure: 4-8barg [60-120psig]<br>Flow: 50 NL/min [1.8SCFM]
Power Requirements 230 VAC, 50-60Hz, 0.2A, 21W

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PVM V825 Ex Technology