Welas and Promo 1000
Lowest Detection Size

Of all the members of the CH Technologies' white light spectrometers, the Welas and Promo 1000 Series can detect the smallest particles.

Manufactured by Palas GmbH, these white light spectrometers feature the state-of-the-art particle counting technologies found in all of our spectrometers and are executed with the high quality standards for which Palas is known.

Both the Welas and Promo 1000 Series minimize the signal degradation in the fiber optic channels by combining the sensor and detector in one single unit. It is this enhanced signal clarity that allows the Welas and Promo 1000 Series spectrometers to detect particles as small as 120 nm.

  • 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
  • Measurement range from 120 nm to 40 um
  • Measurements as often at every 10 ms (Welas only)
  • User can clean and calibrate without returning to manufacturer
  • Filter media tests
  • Filter loading
  • Inhalation studies
  • Dynamic chamber studies
  • Welas 1000
  • Welas 1000H - for temperatures up to 250° C
  • Welas 1000P - for pressures up to 10 bar
  • Welas 1000HP - for 120° C and 10 bar

  • Promo 1000
  • Promo 1000H - for temperatures up to 250° C
  • Promo 1000P - for pressures up to 10 bar
  • Promo 1000HP - for 120° C and 10 bar

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