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Welas and PROMO 3000
Two of just about everything

CH Technologies Welas and Promo 3000 Series are best suited when more than one measurement location is a necessity. Manufactured by Palas GmbH, these white light spectrometers feature the state-of-the-art particle counting algorithms found in all of our spectrometers and are executed with the high quality standards for which Palas is known.

The 3000 Series is able to provide two measurements that use the same exact light source and detector. The 3000 Series offers a significant advantage over making two measurements from different light sources and detectors. With different light sources and detectors, there will be slight alignment issues that make results less exact. With the 3000 series, such alignment issues are eliminated.

  • White light measurement allows for higher resolution size classification than monochromatic light
  • T-aperture™ technology allows for detection of particles that pass partially through the border-zone of the device
  • Time of flight analysis corrects for possible coincidence measurement of particles
  • Concentration measurements up to 1,000,000 particles per cc
  • Measurement range from 200 nm to 100 um
  • Measurements as often at every 10 ms (Welas only)
  • Two Welas Sensors connected to the same unit
  • User can clean and calibrate without returning to manufacturer
  • Filter media tests
  • Filter loading
  • Inhalation studies
  • Dynamic chamber studies
  • Welas 3000
  • Welas 3000H – for temperatures up to 250° C
  • Welas 3000P – for pressures up to 10 bar
  • Welas 3000HP – for 120° C and 10 bar

  • Promo 3000
  • Promo 3000H – for temperatures up to 250° C
  • Promo 3000P – for pressures up to 10 bar
  • Promo 3000HP – for 120° C and 10 bar

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