COMPASS
for molbox™ User’s Manual
© 1998-2003
DH Instruments, Inc
.
Page 128
11.6 [RUN
TEST]
TAB
The
[Tools]
,
[Options]
,
[Run Test]
tab is used to set user preferences affecting the run test part of test
execution (see Section 7.2.2). Various aspects of run test behavior can be changed using this feature.
The purpose of the
[Run Test]
tab fields and settings as well as instructions on how to use them are
provided in Table 46. The
<Manual P and T Entry Method>
panel is detailed in Table 47.
When selections are complete, click
<OK>
to save changes.
Figure 73.
[Options], [Run Test]
Tab!!!
Table 46.
[Options], [Run Test]
Tab Fields
FEATURE
DESCRIPTION
Disable flow regulation
while averaging
(check box)
When checked, flow regulation is canceled when averaging data prior to logging a
point. Flow regulation is not reset until a new set point is requested either by the
user or as part of a test. Use this option to reduce noise while averaging.
Typically changing the averaging time interval will serve the same purpose.
Force reference flow to
zero when the set point
is zero
(check box)
When this option is checked the reference flow is always be logged as zero when
the test sequence target flow is zero. This feature over rides the actual reference
flow at zero set points to avoid non-zero or negative flow values in the Data File.
This option is most often used when a shut off valve is used to assure zero flow at
the zero point. Uncheck this option to use the actual molbox flow as the reference
flow even when the target flow is zero.
The only criterion for logging zero as the reference flow is a zero set point.
No limits are placed on the actual flow compared to the set point. If a zero set
point is encountered and the flow is not properly set, the reference flow is still
logged as zero.
A molblocS flow is not defined at 0 flow. In this case N/A will display as the
reference flow, however 0 is still logged in the data file when this option is selected.
Summary of Contents for COMPASS FOR MOLBOX
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