NS 5.14 Firmware
2–34 4900002262 rev. B 3-23-21
Enter the required value.
Val Interval
The Val Interval parameter sets the number of days between autovalidation
cycles. The next scheduled validation cycle would occur in Val Interval days
at the Val Start Time. Enter the required value.
Val Perm Constant Kp
The Val Perm Constant Kp parameter is used for permeation validation
devices and defines the system constant that is determined at the factory
during calibration. Using the system constant, the permeation device can be
replaced with another permeation device with a different permeation rate, and
the correct new permeation concentration is calculated by the analyzer
software. The system constant K
p
will be constant over the life of the analyzer
provided the temperature, sample flow rate and pressure of the system are not
changed from the factory settings. If the system constant needs to be reset,
refer to “Setting the Kp Value” in the Hardware Manual for details on
recalculating the system constant.
Val Perm Rate Rp
The Val Perm Rate Rp parameter is used for permeation validation devices
and defines the permeation rate in ng/min referenced on the permeation
device certification. This certification is valid for a period of one (1) year.
However, the permeation device may be used longer than that period if a
factory certified validation concentration is not required. When the validation
<SET PARAMETER MODE>
Validation Wait Time
60
Enter a value (secs)
<SET PARAMETER MODE>
Val Interval
1
Enter a value (days)
<SET PARAMETER MODE>
Val Perm Constant Kp
0.24
0:Off >0:System Cons
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