Model 202 Ozone Monitor Manual Rev. J-4
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4. Click Start button in the Instrument Data Capture section in the upper left corner of
the main screen.
a)
The “Save As” window will appear. A default file name will appear which is
made of the date and time. You may change the filename and change where
it is saved if you wish.
b)
Click the “Save” button. This will start the data capture software and data will
fill into the chart as they are transmitted from the device.
c)
The red OFF text will change to green ON text. The text: Waiting for data…
will appear until data arrives from the instrument. If the instrument
measurement frequency is set to 2 seconds (fast mode), you will see a data
point every 2 seconds. The instrument can be set to 10 seconds
(measurement mode) or to averaging modes of 1 minute, 5 minutes, and 1
hour in the Avg submenu on the instrument.
Connect to Weather Station (Davis Vantage Pro)
1. Be sure the weather station is physically connected to the USB port or Serial port
of the computer.
2. Select the COM port for the weather station from
Settings : Weather Connection
Settings…
3.
Select “Retrieve Weather Data” from the “Weather Link” menu. A window will
appear and the software will try to retrieve the weather station data. If the
connection is good, weather data will be displayed in the window. If not, an error
message will appear. Try a different com port if the error message appears. You
may move this window so it is out of the way or you may close it. The weather
data is updated every 5 seconds.
•
Since the Monitor and the Weather Station both use COM ports, you may have
to unplug one of the USB adapters from the PC to determine which device is
using which COM port.
4.
To bring up the window again if you have closed it, select “Display Weather Data.”
Viewing Data
The Data Grid Tab
1. Make sure the application is connected to a device or that you have opened a
previously saved data file.
2. Click the
Data Grid
tab on the right side of the screen.
3. The data lines received from your instrument will be listed in a grid with the latest
point at the top.
4. The header contains the device specific variables (e.g., Ozone, Cell Temp...). Log
Number is always listed even if your instrument is not set to log.
The Charts Tab
1. Make sure the application is connected to a device or you have opened a
previously saved data file.
2. Click the
Charts
tab on the right side of the screen.
3. Select which data items to display from t
he drop down windows “Data 1” and “Data
2.
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