During data analysis, it may be advantageous to exclude a portion of your data set to account for additional settlement of the instrument or other factors.


Measurand recommends fully backing up your data before attempting to re-baseline. Once your data has been backed up, follow the steps listed below to re-baseline your data set:


NOTE: The instructions below apply to data files collected with a Campbell Scientific data logger.


Step 1 - Launch SAACR_DataChecker


In SAASuite 3.0 and higher, the DataChecker utility is accessed from the Advanced menu by selecting the Check Logger Data option. 


Figure 1: DataChecker is accessed from the Advanced menu by selecting Check Logger Data


Step 2 - Open Data Files


Click on the "Open Data File(s)" button, navigate to your SAA#_DATA.dat file and open it.


Figure 2: SAACR_DataChecker main window


Step 3 - Exclude Data to be Removed


Click on the "Filter" button, followed by the "Select Data" button. 


Figure 3: Filter Data window


Then select the third option, "Choose Range of Data to Exclude" and select the date range you would like to remove.


Figure 4: Choose Data Method window


Step 4 - Perform a "Reset" Conversion


Run a "Reset" conversion in SAACR_raw2data, and then use SAAView to open the multi_saa_allcart.mat file that was created. For more information on how to perform a "Reset" conversion, refer to the SAACR_raw2data How-To Guide.