Hach Sigma 900 User Manual page 39

Item
Message
Number
6b PROGRAM STOP?
6c PROGRAM RESTART?
7 TIMED MODE
7a VARIABLE INTERVAL
7b INTV = _ _ _ _MIN
8 FLOW MODE
8a VARIABLE INTERVAL
8b INTV = _ _ _ _CNTS
8c TIMED OVERRIDE
8d MAX TIME = _ _ _MIN
9 OTHER CHANGES
COMPOSITE MODE,
10
CONTINUOUS MODE
10a COMPOSITE MODE
10b CONTINUOUS MODE?
8837prg.fm
When the advanced program features are enabled, this message appears after the
delay time/date has been entered. Press
program to stop. After the stop time and date have been entered, the display advances
to the prompt shown in item 6c. If you press
the delay time is reached. This will prompt item 7.
This message appears after you enter the desired program stop time and date. Press
to allow the user to enter the time and date on which the program will restart.
YES
Press to cause the sampling program to stop when the sampler's clock reaches the
NO
stop time and date entered in item 6b.
You can enter up to 12 start/stop intervals by entering successive
time/date entries to
PROGRAM STOP?
If selected, the sampler will operate on a timed cycle basis. Press
user to enter the number of minutes desired for the time interval between samples.
Press to prompt the question described in item 8.
NO
Press to enter up to 99 different time intervals between samples. When the last
YES
desired interval is displayed, press the
subsequent samples.
Enter the value for the interval between samples (in minutes).
Press the cause the sampler to operate on a flow proportional basis. It will prompt
YES,
the you to enter the number of flow signals that you want the sampler to count down
between samples. Press
NO
Press to enter up to 99 different flow pulse intervals between samples. When the
YES
last desired interval is displayed, press the
subsequent samples.
Enter the value for the number of pulses (counts) that you want to accumulate between
samples. To determine the appropriate number, refer to the programming instructions
for flow proportional operation in
This message appears only if the Advanced Program is enabled. If a sample is not
collected in proportion to flow within a specified time period, a sample is taken when
the default time elapses. Press
each sample collection. The message in item 8d will also appear.
Enter the desired default time.
Press to retain the previously entered program entries for all remaining
NO
programming steps, and return to the
change the previously programmed entries for all items 10 through 16.
This message appears if only one bottle is entered for the total number of bottles in the
parameter entry mode. Press
at the programmed interval. The program will terminate only with a full bottle when
using the full bottle float switch (Cat. No. 8847). Press
. This permits you to enter the desired number of samples, after which
SAMPLES = _ _ _
the program will terminate.
With the advanced program features enabled, this question appears if more than one
bottle is entered in the parameter mode (
). Press to collect sample in all bottles with each sample initiation.
BOTTLES = __ __ YES
After sampling, the distributor arm returns to bottle 1 and waits until the next initiation
where the cycle repeats for subsequent samples. The display then indicates the
message explained in item 10b.
In this mode, all bottles represent the same composite sample. This 'multiple bottle
composite' sampling feature is particularly useful when using 2, 4, or 8 bottles with a
different preservative in each, or when it is necessary to split the sample for
independent analysis.
Press to collect samples as described in item 10a. Press
YES
message explained in item 10c.
Description of Message
to enter the time and date for the
YES
, the sampler will remain dormant until
NO
and
PROGRAM RESTART?
key to repeat the last interval for all
NO
to prompt the question in item 7.
key to repeat the last interval for all
NO
section 5.15.
to enter a default time. The default time resets after
YES
standby state. Press
READY TO START
to the
YES CONTINUOUS MODE?
NO
ENTER NUMBER OF SAMPLE BOTTLES, TOTAL
Explanations of Program Messages
Section 5
responses and
YES
.
to prompt the
YES
to
YES
prompt to take samples
to cause the display to read
to display the
NO
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