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CCN Cleaning and Calibration

The complete CCN Cleaning and Calibration includes the following:


Photo of Cloud Condensation Nuclei Counter (CCN)
  • Incoming unit evaluation and calibration check (if unit is functional)

  • OPC cleaning and calibration

  • Bisque visual inspection and disinfection

  • Temperature readings and set-point calibrations

  • Nafion membrane replacement

  • Sheath flow filter replacement

  • Sample manifold and sample capillary cleaning

  • Flow and pressure calibration

  • DMA comparison and temperature versus SS% calibration

  • 100% unit functionality test (data ports, Ethernet, etc.)

  • Computer battery replacement


The customer receives copies of the calibration data and report.

DMT technicians check and verify the CCN in for service in a similar manner in which they verify a new CCN.
 
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