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Pre-sample Purge
Pulse at Beginning of Pre-sample Purge
A
B
Pulse at Beginning of Forward Pumping Only
Continuous During Entire Pump Cycle
C
Continuous During Forward Pumping Only
D
Figure 3-9 Event Mark and Bottle Number Signal Output
Rinse Cycle
Pump Volume 1 Pump Volume 2
Continuous/Pulse Signal – The Continuous/Pulse setting
selects either continuous or pulse signals. Pulse signals are three
seconds in duration; continuous signals are three seconds or
longer and depend on the setting and the pump cycle. (Display
#330)
Continuous Signal Timing – The Pump Cycle/Fwd Pumping
settings will appear when you have selected "CONTINUOUS
SIGNAL." Select "PUMP CYCLE" when you want a continuous
signal transmitted during the entire pump cycle, from the
beginning of the pre-sample purge to the end of the post-sample
purge. Select "FWD PUMPING" when you want a continuous
signal transmitted while the pump is delivering a sample
volume. (Display #331)
Pulse Signal – The Pulse Signal setting will appear when you
select "PULSE." Two options are available. The first option,
"PURGE," sends a pulse at the beginning of the pre-sample
3700 Portable Samplers
Section 3 Programming Guidelines
Pump Volume 3
Post-sample Purge
Event Mark
Bottle Number
Event Mark
Bottle Number
Event Mark
Bottle Number
Event Mark
Bottle Number
3-51
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