700M HFID 6-2-15
103
THC/CH
4
/NMHC Mode Times
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The THC/CH
4
/NMHC Mode Times screen allows the operator to set the Purge Time and
the Integration Time. From Measure Settings menu press to access the THC/CH
4
/NMHC
Mode Times screen.
The Purge and Integration times are set to allow adequate purging and integration times between
the THC and CH
4
cycles. Any gas remaining in the sample stream from the previous mode is
purged before integration into the next mode. All THC and CH
4
readings are displayed as
averaged values, and the sample read times can be adjusted by the operator. See
THC/CH
4
/NMHC Mode for more information.
Use the Up/Down arrows to highlight the field you intend to change. Press to
open the field to change the time (in seconds). After making your change, press again to
close the field. Press to exit the screen and return to the Measure Settings screen.
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