Divesoft He/O2 Analyzer, Руководство пользователя

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He/O
2
Analyzer
Set-up
9.3 Mixing of gases
The Menu/Gas properties setting is available in the gas-mixing calculation and simulation
modes. Individual parameters have the following significance:
The
State equation
option is chosen if the mixing calculations will work with the ideal gas
(the status equation PV=RT is used) or with the real gas (state equation according to Redlich
and Kwong). The variant with the actual gas is more complicated in terms of calculation, and
calculation can thus take a long time. The ideal gas is sufficient for ordinary use.
Ref. temperature is the temperature of the gas used for calculations.
9.4 Continual analysis
Here the boundary values are set. When these values are exceeded, an alarm is triggered:
Alarm O2 low , Alarm O2 high , Alarm He low , Alarm He high , Alarm pressure low , Alarm pressure
high , Alarm temperature low , Alarm temperature high . The last of the adjustable values is Delay
Re1 -> Re2 , which sets the period of time which must elapse from the sounding of the alarm
(Relay Re1) in order to shut off the compressor (Relay Re2).
Not all values are necessarily available in the menu – the visibility of menu items changes
according to which of the auxiliary devices are connected to the analyzer.