Special functions, Trend test – Fluke Biomedical VT Plus HF User Manual
Page 71

Operation
Special Functions
3
3-21
The Analyzer has conversion factors for gas, volume, and flow measurements, as shown
in Table 3-5.
Table 3-5. Available Conversion Factors
Conversion Factor
Description
ATP
Conversion for gas flow and volume to ambient temperature
and pressure
STPD0
Conversion for gas flow and volume to a standard temperature
of 0 °C and a standard barometric pressure of 760 mmHg
STPD21
Conversion for gas flow and volume to a standard temperature
of 21 °C and a standard barometric pressure of 760 mmHg
BTPS
Conversion for gas flow and volume to body temperature of 37
°C with 100 % relative humidity
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 S and T soft keys to highlight
Trend
Test
.
3. Press the soft key
ENTER
soft key
.
The
Trend Test Setup
screen displays.
fec057.bmp
To set test parameters: