Operation
32
6
IMT Analytics AG
Depending on the gas that is to be measured, the corresponding gas type must be
set on FlowAnalyser PRO beforehand.
The following gas types are available for selection:
• Air (100 %)
• Air/O
2
-Man.
(Air/oxygen mixture according to manual input. The default is 100 % O
2
)
• Air/O
2
-Auto.
(Air/oxygen mixture according to sensor measurement of internal oxygen cell)
• N
2
O/O
2
-Man.
(Nitrous oxide/oxygen mixture according to manual input. The default is 100 %
O
2
)
• N
2
O/O
2
-Auto.
(Nitrous oxide/oxygen mixture according to sensor measurement of internal
oxygen cell)
• Heliox (21% O
2
)
• He/O
2
-Man.
(Helium/oxygen mixture according to manual input. The default is 100 % O
2
)
• He/O
2
-Auto.(Helium/oxygen mixture according to the sensor measurement of
internal oxygen cell)
• N
2
(100 %)
• CO
2
(100 %)
Leakage occurring with inhalation anesthesia (e.g. N
2
O) is known to
not provide adequate protection from anesthetic gases with natural
ventilation. Therefore, suitable (ventilation-) technical measures must
be observed in rooms where the performance with anesthetic gases
takes place.
By pressing Change, you can switch between the various requirements and Save
applies the value selected. In the case of mixtures with manual input of O
2
concentra-
tion, the latter can be adjusted in addition.
Standard conditions are understood to mean defined conditions for pressure, tem-
perature and, in some cases, humidity, which constitute the basis for converting the
flow actually measured. Therefore, it is essential to check which standard condition
the value displayed relates to.
The standard currently set is indicated on the numerical display.
If you press Change, a plus and a minus appear, so you can switch between the
various requirements. Save applies the value selected.
A gas that has not been selected properly and a gas standard that
has not been selected properly can lead to measuring errors of up to
20 %.
6.11 Gas type and standards
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