CPC, Condensation Particle Counter, condensation nucleus counter, laser particle counter, LPC, CNC

Applied Physics, Inc.

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Applied Physics, Inc.

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Water Condensation Particle Counter and Condensation Particle Counter

Water Condensation Particle Counter


Water and N-Butanol Condensation Particle Counter Discussion

A water based condensation particle counter is a newer technology in CPC history. Traditionally, CPCs have used N-Butanol as the operating fluid. A CPC is a less expensive particle counter than a laser particle counter, thus offers no sizing performance, but offers superb particle counting efficiency. The N-Butanol CPC operates much the same as a water CPC, but the N-Butanol evaporates quicker in the airflow, thus the butanol molecules will more readily bond to sub-micron particles in the airflow; permitting a faster response and providing superb particle detection down to 2nm in particle size. Water based CPCs essentially operate the same as a N-Butanol, particle counter, however the process of evaporation is slower, thus the sequence of growing a particle in the airflow, sufficiently large enough to be detected by a laser detector, takes more time, and generally requires more technical desing to accomplish the goals. On the positive side a water based CPC does not have odor issues as with the N-Butanol CPC, nor does it have a flash fire hazard as with the Butanol. Condensation Particle Counters are designed for aerosol particle count research, indoor and outdoor air counting measurements, medical research, and industrial particle counting applications.

Water Condensation Particle Counter, N-Butanol Condensation Particle Counter

  • detection of particles in the sampled airflow
  • Use of Water of N-Butanol
  • General detection of particles from about 2nm to above 10 microns
  • Removable wicking material
  • Single-particle counting with real-time, live-time coincidence correction for accurate measurement at high concentrations
  • Lower maintenance and lower cost of CPCs, as compared to laser particle counter
  • Semiconductor, Medical and Pharmaceutical industries

N-Butanol Condensation Particle Counter and Water Condensation Particle Counter

  • Semiconductor aerosol particle counting
  • Pharmaceutical and Medical aerosol particle counting
  • Detects and counts particles from 2nm to above 10 microns
  • Low-maintenance as compared to LPC
  • Measure atmospheric condensation particles to detect nucleation events
  • Indoor air quality research