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The Analyzer has conversion factors for gas, volume, and flow measurements, as shown
in Table 3-5.
Conversion Factor
ATP
STPD0
STPD21
BTPS
Special Functions
Trend Test
The Analyzer provides an automated Trend test that checks a single breath parameter
over an extended period of time to see if it deviates from limits set by the user. The limits
are set as a percent variation from the initial measured value.
To access the Trend test screen, use either of the following procedures:
1. Press the FULL/5 key to display the breath parameters.
2. Press the soft key TREND soft key.
Or
1. Press the MORE/4 key.
2. Use the
and
3. Press the soft key ENTER soft key. The Trend Test Setup screen displays.
To set test parameters:
Table 3-5. Available Conversion Factors
Conversion for gas flow and volume to ambient temperature
and pressure
Conversion for gas flow and volume to a standard temperature
of 0 °C and a standard barometric pressure of 760 mmHg
Conversion for gas flow and volume to a standard temperature
of 21 °C and a standard barometric pressure of 760 mmHg
Conversion for gas flow and volume to body temperature of 37
°C with 100 % relative humidity
soft keys to highlight Trend Test.
Description
Operation
3
Special Functions
fec057.bmp
3-21
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