After multiple drafts, still cannot get program to correctly report heat flux plate value.
Contacted Justin Baumgartner at Campbell:
Hi Christine,
Attached is the new revision of your program. Changes made were: Added shf(1) to the data tables. Changed the HFP01SC_Cal to HFP01SC_Mult and took out the extra scan instruction.
Let us know how it goes.
Best,
Justin Baumgartner Technical Sales Representative-North Central Region Campbell Scientific, Inc. Ph: 435-750-1838 jbaumgartner@campbellsci.com www.campbellsci.com
His changes worked and we are now successfully logging heat flux plate values in the ground. Hooray!
Yesterday (23 August 2010), from approximately 3:30 to 5:45 pm CDT, Darrell and I installed the Hukseflux soil heat flux plate. We lined it up with the CG3down. The hole is approximately 8cm beneath the soil surface. We used a drill to cut the horizontal slice into the southern side of the hole where we then inserted the circular plate. We then covered the hole with the soil and grass. We also ran the wire across to the helium shed, to the trailer, and finally into the trailer.
Today I connected the two soil heat flux plates to the CR5000 datalogger and modified the loggernet program to scan and print tables for the soil heat flux plate.