The measurement data is a record of all of the tests performed with the instrument (a test is made up of the 5
individual measurements taken in a cloverleaf pattern). It is a semi colon delimited text file containing the
following information:
Internal: Software Version; Gauge SN;
Results: Dry Density; Wet Density; Moisture Content (%);
Volumetric Moisture; % Compaction;
Special Features: Soil Temperature; SDG Time; SDG Date; GPS Position;
GPS Time; GPS Date;
Project Details: Project Name; Project Locations; Project Contact;
Description; Operator;
Material Details: Material ID; Description; Max Dry Density;
Optimum Moisture; %Greater than 3in; %Greater than in;
%Gravel; %Sand; %Fines; PL; LL; Cu; Cc; A coefficient;
B coefficient; Dry Density Offset; % Moisture Content Offset
Part 3: Data Storage and Downloading Data
The SDG 200 saves two types of data files. One file contains information that is referred to as diagnostic data,
the other file contains information that is referred to as measurement data. Data files can be removed from the
SDG 200 via a USB flash drive.
Measurement Data
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When the measurement file is downloaded it is automatically named by the SDG 200. The following naming
format is used:
Project Name:month:month:day:day:hour:hour:minute:minute.mnt
Project 103061510.mnt for Project 1 of March 6, 3:10 PM
The diagnostic data contains all of the measurement data as well as information that indicates how the SDG 200
is performing. This data is of little interest to gauge owners and operators but will be very helpful to TransTech
in the event of an instrument malfunction. Similar to the measurement data, the diagnostic data is saved at the
conclusion of a complete measurement. Data from partial measurements are not logged in memory.
When the diagnostic file is downloaded it is automatically named by the SDG 200. The following naming
format is used:
Project Name:month:month:day:day:hour:hour:minute:minute.dat
Project 103061510.dat for Project 1 of March 6, 3:10 PM
Diagnostic Data
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