2 data format – Hach-Lange BODTRAK II: Respirometric Biochemical Oxygen Demand (BOD) User Manual
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Operation
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4.5.2 Data format
When a result array is downloaded to HyperTerminal, all data from the test are sent
without pause. The data flow cannot be stopped or paused.
shows channel number, start date, start time, and the format of the
downloaded data. BOD values in mg/L follow. Only the first data points, of a
maximum of 360 equal distance points, are shown in this example. Each line ends
with a carriage return and a line feed. The end of the data stream is shown by a
message such as “Test Run to Completion” and a dollar symbol ($).
If small negative BOD values are seen at the start of a test, refer to
BOD Log for Ch 1
Status: END
Full Scale: 700 mg/L
Tst length: 7 days
Start Date: 3/3/08
Time: 13:04
Days, Reading (mg/L)
0.00, 0
0.05, 10
0.11, 12
0.16, 12
0.22, 14
0.27, 14
0.33, 12
0.38, 8
0.44, 10
0.50, 12
0.55, 12
0.61, 14
-
-
-
Test Run to Completion
$
Figure 3 Downloaded test data