Sutron Corporation 8310 & 7310 Users Manual 8800-1125Rev. 2.7 (BETA) 4/16/2014 pg. 131
The minimum log size is 2048 bytes. The maximum log size is the lesser of 2 billion bytes, or the
free space available on the storage medium minus a small safety buffer (32k for a storage card,
192k for Flash Disk).
Note: on SD cards with Gigabyte capacities, creating larger log files will take much longer. To
create a 100 megabyte (104857600 bytes as entered) log file, the unit will take several minutes.
Creating a 1 Gigabyte log file will take over an hour.
Wrap Log When Full
Select Yes to cause data to “wrap” when the log has been filled. “Wrap” data means to
overwrite the oldest data with the newest data, once filled. Select No if you want to stop logging
any data when the log is full. Note: this setting can only be set when creating a log for the first
time.
Ignore Bad Data
Select Yes if you don’t want the system to log any data that does not have good (“G”) quality.
Note: this setting can only be set when creating a log for the first time.
Header on Export
Select Yes to include a header when exporting the log. The header contains station name.
Bad Data Value
Select Yes if you want all data with bad quality to be logged with a particular value. When Yes,
the property “Value for Bad Data” can be set to the value to log for data having bad quality.
Add Note to Log
Select this item to enter a note (text you enter) into one of the logs.
Station Setup/Log Records
Use a Log Record to customize the format of your logged data, such that it is easier to
understand, graph, process, or otherwise use. A Log Record lets you log multiple data entries
using a single timestamp. The following example will demonstrate this capability:
If a Log Record is not set up, the default log entries show each measured value, preceded with
its own date and time and appended with the quality and units, such as:
A Log Record could be set up to express the same data in the following format, which may be
easier to use:
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