First Sample At; Start Flow Count At; Maximum Run Time Hours; Programming Examples - Teledyne 4700 Installation And Operation Manual

Isco 4700 Refrigerated Sampler
Section 3 Programming

3.5.19 First Sample At:

3.5.20 Start Flow Count At:

3.5.21 Maximum Run Time
__ Hours
3.6 Programming
Examples
3-20
Note
If you enter a "First Sample At" or Start Flow Count At" month
less than the current month, the sampler interprets the start
time as next year's date.
Time Paced Only – Use the Number buttons to set the start time
hours. Press the Enter button to accept the value and advance to
the minutes. Repeat to complete the minutes, date, and month.
Flow Paced Only – Use the Number buttons to set the start time
hours. Press the Enter button to accept the value and advance to
the minutes. Repeat to complete the minutes, date, and month.
Flow Paced Only – Use the Number buttons to set the maximum
run time. The sampler will stop the running sampling program
when this time has elapsed.
This feature is useful for applications that require the collection
of a total sample volume proportional to the flow volume over a
specific duration. An example of this would be a flow-weighted
composite sample representative of the total daily flow volume
(24 hours). If your application does not limit the sample col-
lection to a specific duration, enter zero.
Pages 3-21 through 3-25 provide programming examples.

• Defining the Sample Volume

• Time Paced Sampling Program
• Flow Paced Sampling Program
• Flow-proportional Constant Time Variable Volume
Program