Thermo Scientific 42iQD, Instruction Manual

Page: 63 / 286

Operation
Settings
Thermo Scientific 42iQD Instruction Manual 3-39
The Concentration screen provides status and alarms for NO/NO
2
/NO
x
concentration, background cal/checks, and span cal/checks. If an item
being monitored goes outside the lower or higher alarm limit, an alarm is
activated.
Use the

and

buttons to move up and down and the

and

buttons to move left and right.
Home Screen>Settings>Health Check>Status and
Alarms>Concentration
The Concentration screen contains the following information:
●
Across:
●
Concentration: This column lists items associated with the NO
x
concentrations.
●
Value: Displays the current value for each item.
●
Low Alarm: Displays low alarm for each item.
●
High Alarm: Displays high alarm for each item.
●
Span Conc: Span concentration used in the span calibration or span
check.
●
Units: Displays units for each item.
●
Down:
●
NO
x
: NO
x
concentration.
●
NO
x
Bkg Check Offset: Displays NO
x
concentration based on the
last attempted background calibration. High alarm shows user
defined limit for acceptable background check offset.
●
NO
x
Span Check Offset: Displays NO
x
concentration based on the
last attempted span calibration. High alarm shows user defined
Concentration