COMPASS
for molbox™ User’s Manual
Page 183
© 1998-2003
DH Instruments, Inc
.
SECTION
DESCRIPTION
Pressure
Includes information on the pressure measuring device used to log gas pressure
at the DUT during test execution (see Sections 10.2, 10.3.4). If pressure was not
measured during the test, these fields are set to N/A.
Temperature
Includes information on the temperature measuring device used to log gas
temperature at the DUT during test execution. (see Sections 10.2, 10.3.4).
If temperature was not measured during the test, these fields are set to N/A.
Flow Controller
Includes information on the flow controller used to control flow during the test
(see Section 9.5.6, 10.3.6). If the flow control was by the DUT or was manual,
these fields are set to N/A.
Test
Includes information from the Test Definition that defines the test procedure used
to run the test (see Section 9).
Pre Test
Includes the results of the leak test, if included, and specifies whether or not a
system purge was used at the beginning of the test (see Sections 7.2, 7.2.1).
Test Data
Includes all point by point data logged during the test (see Section 7.2.2).
Statistics
Includes values calculated from the test data: measurement uncertainty, linearity,
hysteresis, repeatability, and the best fit straight line transfer
functions.
When multiple test cycles are used the final statistics values determine statistics
related to all data acquired during the test and not a single cycle.
Notes
User notes entered at the end of the test (see Section 7.2.3).
18.4.1 DATA
FILE
FIELDS
Table 63 identifies and provides information on the data fields logged by
COMPASS
for each
point of a test run. Any or all of the fields can be included in the
<Data Grid>
run screen (see
Section 6.7.5). Including or excluding columns or changing their order in the
<Data Grid>
run screen has no effect on the Data File fields content or order.
Table 63.
Data File/Grid Run Screen Fields/Columns
FEATURE
DESCRIPTION
Point
The current test point in a test (see Section
9.5.2
). The format is
“Cycle.Point.Reading”. This is the only column value that cannot be moved.
It must always be the first data column.
Date
The date the point was taken. The current medium date format setup in the
International section of the windows control panel is used to format this
date value.
Time
Time the point was taken. The value is formatted as “hh:mm:ss”.
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