Maintenance, Clean the instrument – Hach-Lange SD900 Refrigerated Sampler, SD900 AWRS User Manual User Manual

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Note: Timed bottle can be enabled only if the sampler is configured with multiple bottles, non-composite mode and
the distribution mode is set to Bottles/Sample.

1. Go to PROGRAM SETUP>MODIFY SELECTED>ADVANCED SAMPLING.
2. Select TIME BOTTLE>ENABLE.
3. Enter the number of samples to be collected in each timed bottle set.
4. Select one of the timed bottle trigger time methods.

Option

Description

24 HR FORMAT The time that must expire every day before one bottle set switches to the next bottle set.

DURATION

As long as the controller is not inhibited, the trigger timer starts when RUN is pushed and
START is selected.

The bottle set size is shown.

5. Select when the program will stop.

Option

Description

CONTINUOUS

The program must be stopped manually.

END AFTER LAST The program stops when the last sample is collected in the last bottle of the last timed

bottle set.

Note: If Take 1st Sample is set to IMMEDIATE on the controller, the first sample of every timed bottle set is
taken immediately. If Take 1st Sample is set to AFTER THE INTERVAL, the first sample of every timed bottle
set is taken after the first interval.

Maintenance

D A N G E R

Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.

D A N G E R

Electrocution hazard. Remove power from the instrument before doing maintenance or service
activities.

W A R N I N G

Biohazard exposure. Obey safe handling protocols during contact with sample bottles and sampler
components.

W A R N I N G

Multiple hazards. The technician must make sure that the equipment operates safely and correctly
after maintenance procedures.

Clean the instrument

C A U T I O N

Fire hazard. Do not use flammable agents to clean the instrument.

English 35

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