Specifications
13
4
IMT Analytics AG
FlowAnalyser PRO converts the flow and volume readings measured in the device
to match the conditions of the standard selected. The following gas standards are
supported by FlowAnalyser PRO:
Gas standard Temperature Pressure Relative
humidity
Ambient Temperature and
Pressure
ATP Current gas
temperature
Current
Ambient pressure
Current
gas humidity
Ambient Temperature and
Pressure Dry
ATPD Current gas
temperature
Current
Ambient pressure
0 %
Ambient Temperature and
Pressure Saturated
ATPS Current gas
temperature
Current
Ambient pressure
100 %
Ambient Pressure at 21°C AP21
21.0
°C (70 °F)
Current
Ambient pressure
Current
gas humidity
Standard Temperature and
Pressure at 0 °C
STPD0
0.0
°C
1013.25 mbar
(760 mmHg)
0 %
Standard Temperature and
Pressure at 20 °C
STPD20
20.0
°C
1013.25 mbar
(760 mmHg)
0 %
Standard Temperature and
Pressure at 21°C
STPD21
21.0
°C
1013.25 mbar
(760 mmHg)
0 %
23 °C/1013 mbar 23/1013
23
°C (73.4 °F)
1013.25 mbar
(760mmHg)
0 %
Standard Conditions USA STP
21.0
°C (70 °F)
1013.25 mbar
(760 mmHg)
0 %
Standard Conditions USA
Humid
STPH
21.0
°C (70 °F)
1013.25 mbar
(760 mmHg)
Current
gas humidity
Body Temperature and
Pressure Saturated
BTPS
37
°C (99 °F)
Current ambient
pressure and
channel pressure
(Flow)
100 %
Body Temperature and
(Ambient) Pressure Sat-
urated according to ISO
80601-2-12:2011
BTPS-A
37
°C (99 °F)
Current
ambient pressure
100 %
Body Temperature and
Pressure Dry
BTPD
37
°C (99 °F)
Current ambient
pressure and
channel pressure
(Flow)
0 %
Body Temperature and
(Ambient) Pressure Dry
BTPD-A
37 °C (99 °F)
Current
ambient pressure
0 %
Standard condition
according to DIN 1343
0/1013
0
°C (32 °F)
1013.25 mbar
(760 mmHg)
0 %
Standard condition
according to ISO 1-1975
(DIN 102)
20/981
20
°C (68 °F)
981 mbar
(736 mmHg)
0 %
Please always use standard condition STP for ultra-low flow meas-
urements.
4.2 Gas standards for flow and
volume measurement
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