Metrohm 875 KF Gas Analyzer - Manual (Page 25)

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4 Operation
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11 Vaporizer 12 Valve 3 (waste gas)
13 Oil filter, heated
Figure 5 Sample vessel connector
A Liquid phase B Gas phase
1 Stopcock 2 Sample input to 875 KF Gas Analyzer
4.2 Methods
WARNING
The gas system is under pressure. It contains both pressurized gas and
liquefied gas.
The prescribed analysis procedure may not be modified. Users must
have detailed knowledge of the gas conveyance in order to use the
manual operation. Uncontrolled operation of the valves may result in a
sudden vaporization of the liquefied gas or in pressure surges.
NOTE
The correct position of the precision control valve has a decisive effect
on the precision of the analysis. The exact position has to be deter-
mined for each gas type.
As standard, the 875 KF Gas Analyzer is delivered with the following
methods (control programs of the tiamo™ software):
￭ Sample measurement
￭ Reference measurement
￭ Precision control valve setting
￭ Gas calibration_liquefied gas