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Hach AS950 User Manual

Hach AS950
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7. Set the options as follows.
Option Set to:
Delay Type Date and Time
Date Enter the start date for the sampling program.
Time Enter the start time for the sampling program.
8. Go directly to Select when the program stops on page 20.
Select when the sampling program starts
Select when the sampling program starts after the RUN/HALT button is pushed.
1. Push MENU.
2. Go to Programming>Sample Programming>Program Start.
3. Select an option.
Option Description
Immediately on
'Run'
The sampling program starts when RUN/HALT is pushed.
On Trigger The sampling program starts (or starts and stops) when a trigger occurs. The trigger is a
selected channel alarm or a signal from an external flow meter or third-party device that
is connected to the AUX I/O port. Refer to Start the program on a trigger (optional)
on page 20.
After Delay When RUN/HALT is pushed, the sampling program starts after the selected delay.
Refer to Table 11 for the delay options.
On Schedule The sampling program starts on the selected day(s) of the week and time(s). Select a
maximum of 12 schedule intervals.
Delay—Sets the sampling program to start on the first scheduled day and time after a
selected delay. The delay is one time only. Refer to Table 11 for the delay options.
Schedule Intervals—Sets the number of schedule intervals (1 to 12). Edit Schedule
Sets the start day and time and the stop day and time for each schedule interval.
Table 11 Delay options
Type Description
None The sampling program starts after no delay.
Data and Time The sampling program starts after a set date and time.
Time Duration The sampling program starts after a set amount of time.
Flow Duration The sampling program starts after a set flow volume occurs. Select the source of the flow
measurement.
AUX-Pulse (or AUX-mA)—An external flow meter or third-party device connected to the
AUX I/O port. Flow 1 (or 2)—A sensor connected to the Sensor 1 (or 2) port. IO 1 (or IO 2)
—Analog Input IO 1 (or IO 2) of the optional IO9000 module.
Note: A flow measurement that is supplied through a sensor port or the IO9000 module is only available for
selection after it is selected to be recorded to the data log.
Slave, Sequential
4
The sampling program starts after the sampling program of the leading sampler is complete.
Slave, Parallel
4
The sampling program operates only when the sampling program of the leading sampler
operates.
4
This option is only applicable when two sampling programs are used. If a slave delay setting is
not selected, the two sampling programs operate independently.
English 19

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Hach AS950 Specifications

General IconGeneral
Sample FrequencyProgrammable
TypePortable
Sampling MethodVacuum Pump
Temperature ControlRefrigerated
Bottle Configuration24 x 1L bottles
Power Supply12V DC
CommunicationRS-232
Sampler TypePortable or Stationary
Vertical Lift8.2 m
Enclosure RatingIP67
Number of SamplesUp to 999
Storage Capacity24 samples
Bottle Options1L

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