QC-1 Module
Page 7
Calibration Date
01 Jan 2012
The display will change to simply display the concentration as shown
below.
100 PPM NH3
Select to change
If the instrument is unable to achieve the selected concentration due to
insufficient gas concentration, the following screen sequences will display
accompanied by an audible beep.
100 PPM NH3
Low PPM warning
100 PPM NH3
Stabilizing ….
100 PPM NH3
@ .20
If the instrument is unable to achieve the selected concentration due to
excessive gas concentration, the following screen sequences are displayed
accompanied by an audible double beep.
100 PPM NH3
High PPM warning
275 PPM NH3
Stabil
izing ….
275 PPM NH3
@ 1.10
In the High PPM warning mode, the unit will display the actual
concentration rather than the set point so that the operator has an idea of
how much adjustment is needed to bring the unit into normal operation.
