6) Click
Stop
.
7) Select
Save As
in the
File
menu, type a name for the file. Choose a destination
on the computer in which to save the file. Designate the file type as *.iwxdata.
Click
Save
.
To Convert the Units on Gas Concentration Channels:
1) Use the
Display Time
icons to adjust the display time of the Main window to
show the complete calibration data on the Main window at the same time. The
required data can also be selected by:
•
Placing the cursors on either side of data required, and;
•
Clicking the Zoom between Cursors button on the LabScribe toolbar to
expand the entire segment of data to the width of the Main window.
2)
Click the 2-Cursor icon on the LabScribe toolbar so that two cursors appear on
the Main window. Place one cursor on the section of data recorded when gas
analyzer was collecting a sample of room air and the second cursor on the
section of data recorded when the second sample was collected.
The LabScribe toolbar.
To convert the voltages at the positions of the cursors to concentrations
using the Advanced Units Conversion dialogue window:
1) To convert the voltages on the
Expired CO2 Concentration (%)
channel, click
on the arrow to the left of the channel title to open the channel menu. Select
Units
from the channel menu, and select
Advanced
from the
Units
submenu.
The voltage outputs of the two sensors in the GA-200 gas analyzer, carbon dioxide on
the top and oxygen on the bottom. Other recording windows have been minimized to
show detail.
GA-200 Gas Analyzer
iWorx Systems, Inc.
www.iworx.com
