Table of Contents
Advertisement
3700 Portable Samplers
Section 3 Programming Guidelines
3-78
Depending on whether the second bottle group is time paced or
flow paced, the third delay period will be either the delay to
second group sample or the "During/After" delay.
• Delay-to-Start Time. The start time is simply the time
the sampler begins the routine. The sampler begins
timing the delay-to-start time when you press the
key. The sampler will not check for an enable or
sampling
disable signal from a flow meter, Liquid Level Actuator,
or another sampler until the start time.
The delay-to-start time is the amount of time between
the time you press the
time. The delay-to-start time is determined by the
programmed start-time entry for the STORM routine
(Display #93) or the Start Time Delay configure option.
The Start Time Delay, set in the configure option, can be
from 0 to 999 minutes long. A programmed start time
can be any date within 30 days of the sampler's current
date.
• Delay-to-First-Group Sample. The delay-to-first-group
sample is the period between the time the sampler is
enabled (not the start time) and the time first sample
volume is delivered to the first bottle group. Your entry
in Display #15 determines the Delay to First Group.
• Delay-to-Second-Group Samples. The
delay-to-second-group sample is the period between the
time the sampler is enabled (not the start time) and the
time the first sample volume is delivered to the second
bottle group. This delay is determined by your entry in
Display #17. You can enter a delay-to-second-group
sample only for time-paced second bottle groups.
• DURING/AFTER. This delay affects flow-paced second
bottle groups. Like the delay to second group sample,
the during/after delay determines when the sampler
begins sampling for the second bottle group. Because the
flow-paced sampling can consume unpredictable
amounts of time, the storm routine must use two specific
events to mark the beginning of the flow intervals.
These events are the time the sampler is enabled and
the time the sampler completes the first bottle group.
If you want the sampler to fill the second bottle group
during the first bottle group, select "DURING" from
Display #16. The sampler will begin counting flow
pulses when the sampler is enabled. (If the sampler is
enabled at the start time, the sampler starts counting
flow pulses at the start time.)
If you want the sampler to fill the second group after the
sampler fills the first bottle group, select "AFTER." The
sampler will begin counting flow pulses after it fills the
first bottle group.
key and the start
start sampling
start
Advertisement
Table of Contents
