Thermo Scientific TVA2020, Instruction Manual

Page: 59 / 190

Display Menus
Log Methods
Thermo Fisher Scientific TVA2020 Instruction Manual 3-19
c. Smp=the last reading obtained during the log interval.
4. Type the appropriate time interval desired for VOC sampling.
5. Press ENTER and, after a brief message of acceptance, the VOC
method of logging is now ready to be used in the Run mode.
Note The allowable Sample Time range is 2–30 seconds. If a Sample Time
of less than 2 seconds or greater than 30 seconds is selected, a warning
message will appear and you will be required to re-enter the Sample
Time.
▲
In the LOG VOC mode, data is logged in the format described below:
●
Every time the user initiates logging, the instrument will countdown by
a defined interval and will prompt the user to save the captured value.
The user will need to re-initialize the logging sequence, including tag,
for successive samples. Data will fall under the same heading.
●
Data is logged in the following format whenever you press the LOG
button:
●
Approximately 4500 data samples may be taken.
Use the following procedure to access the F.E. Log.
Note The F.E. method requires use of the enhanced probe. ▲
Log F.E.