Cloud Droplet Probe (CDP)

• Description: Cloud Droplet Probe
• Manufacturer: Droplet Measurement Technologies
• Model: CDP2
• Serial Number: 0901-48
• Weight (UND has short version): 3.5 lb
  • (Newer long version): 3.0 lb
• Size (UND has short version): 8.5“ (long), 6.0” (wide), 4.5“ (height)
  • Long (larger version) 10.5” (long), 6.0“ (wide), 8.5” (height)
• UND Major Equipment Property Tag Number: 105883
• CDP Instrument Log

As of 5/16/2021:

• Cloud Droplet Probe (SN: 0901-48)
• Electronics Box (SN: 0901-048)
• Control Board (ABD-0234)
• CDP Probe to Electronics Box Cable (New)
• CDP Probe to Electronics Box Cable (Old)
• CDP Control Box Mounting Plate Hardware
• Electronics Box to Data Acquisition Cable
• RS422- M300 Converter Cable
• Adapter Plate with Screws
• Test Cable with Gender Changer
• P4 Cable End and Cap (Within a bag)
• Screws and Miscellaneous Equipment (Within a bag)

• March 1, 2009
• December 16, 2009
  • Firmware: 169D installed
• February 14, 2011
  • Sealed Windows,tuned laser heater to 25 C, installed PBP-Dynamic Threshold Firmware - Corrected 72 Board loading, installed 80 um pinhole. The serial interface was set to RS422.

• Spreadsheet of bead performance check results is located in the /nas_remote/PerformanceChecks/CloudDropletProbe directory.

• RS-422
• Baud Rate: 57600

Citation wiring is configured to directly connect to laptop using RS422 to RS232 converter. If a 422 to USB converter is used then an adaptor is necessary. Furthermore, an adaptor is needed to connect to the M300 Serial box.

The DMT PADS 3 software can be used to connect and test the CDP. When installing the PADS 3 software it is important to copy the CDP directory to C:/Program Files/PADS 3. The PADS 3 software is locate at /nas/Instrumentation/CloudDropletProbe/Software.

• CDP Problems and Solutions