Serinus 44 User Manual 3.0
Indicates if the voltage of the concentration during background
measurement is within the limits of the analog to digital converter
(-0.26 to 3.29V).
Ok when the instrument has acceptable sample flow based on the
difference between cell and ambient pressures.
Pass if the valve manifold temperature is within ±10% of the heater set
point.
Pass if the chassis temperature is within the acceptable limits (0-50°C).
Detects whether a USB memory stick is plugged into the front USB port.
Ok once the instrument is out of warm-up status.
3.4.5 Temperature Menu
Main Menu Analyser State Menu Temperature Menu
The current temperature units of the instrument (Celsius, Fahrenheit or
Kelvin).
Set Point (CELL/MANIFOLD)
The temperature set point of the measurement cell and manifold. The
factory default is 50°C.
Displays current temperature of the reaction cell.
Temperature of the NO
2
to NO converter.
This line will display Converter sensor absent if the converter is not
operating or not plugged in.
Displays the temperature of air inside the chassis, measured on the
main controller PCA board.
Temperature of the PMT cold block.
Displays the current temperature of the auxiliary valve manifold.
3.4.6 Pressure & Flow Menu
Main Menu Analyser State Menu Pressure & Flow Menu
Select the units that the pressure will be displayed in (torr, PSI, mBar,
ATM or kPa).
Current ambient pressure.
Current pressure within the reaction cell.
Current pressure in the auxiliary valve manifold.
Indicates the gas flow through the sample port of the instrument. The
value should be ~0.92 slpm. If there is an error with the sample flow, it
will read 0.00 slpm.
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