Min Trigger; Zero Concentration - Thermo Scientific 42i Instruction Manual

Min Trigger

Zero Concentration

Thermo Fisher Scientific
NO CONCENTRATION:
ACTUAL MIN:
SET MIN TO:
CHANGE VALUE
RANGE AVG
The Minimum Trigger screen allows the user to view and set the NO,
NO , and NO concentration alarm trigger type to either floor or ceiling.
2 x
The minimum alarm may be programmed as a floor trigger (alarm is
triggered when the concentration falls below the minimum value) or a
ceiling trigger (alarm is triggered when the concentration goes above the
minimum value).
In the Main Menu, choose Alarms > Select Concentration > Min
●
Trigger.
MIN TRIG(CEILING/FLOOR):
ACTUAL TRIGGER:
SET TRIGGER TO:
TOGGLE AND SAVE VALUE
RANGE AVG
The Zero Concentration screen displays the current zero concentration and
sets the minimum and maximum alarm limits. Acceptable alarm limits
range from 0 to 2 ppb and 0 to 5 μg/m
programmed as a floor trigger (alarm is triggered when the concentration
falls below the minimum value) or a ceiling trigger (alarm is triggered when
the concentration goes above the minimum value). If the zero
concentration goes beyond either the minimum or maximum limit, an
alarm is activated. The word "ALARM" appears in the Run screen and in
the Main Menu.
In the Main Menu, choose Alarms > Zero Concentration.
●
0.0
00020.00 ?
MOVE CURSOR
SAVE
DIAGS ALARM
CEILING
FLOOR ?
DIAGS ALARM
3 . The minimum alarm may be
Model 42i Trace Level Instruction Manual
Operation
Alarms Menu
3-71