Operation - Hach A1000 Manuel D'utilisation De Base

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  • FRANÇAIS, page 29
Do a network test
Do a network test to make sure that the network is configured and
cabled correctly. This test does not affect network operation.
1. At the controller, push SETUP.
2. Use the UP and DOWN arrows to select System Setup>Network
test. When the test is complete, the display will show pass or fail.
3. Push ESC multiple times to go back to the main screen.

Operation

Select the operating mode
The analyzer can be set to operate in one of three different automatic
operating modes or to a manual operating mode.
1. At the controller, select the analyzer, then push MANUAL.
2. Use the UP and DOWN arrows to select Modes.
3. Select an option.
Option
Description
Auto TOC
Puts the analyzer in Auto TOC mode. Analysis is done
automatically according to the current operating parameters.
Automatic analysis and reporting continues until manually
stopped by the user or an unrecoverable error occurs (default
setting).
Purge
Puts the analyzer in Purge mode. Analysis is done continuously
as sample water flows through the analyzer. The conductivity
and sample temperature are measured.
Special
Clean: Puts the analyzer in Clean mode. Analysis is not done.
Modes
The UV lamp comes on to oxidize any contaminants in the
measurement cell. Sample water flows through the analyzer to
flush out any unwanted material. Digitl Control: Puts the
analyzer under remote digital control. "r/c" is shown on the
display to identify that the analyzer is under remote digital
control.
24 English
Maintenance
W A R N I N G
Multiple hazards. Only qualified personnel must conduct the tasks
described in this section of the document.
Do a clean cycle
The measurement cell can become contaminated by any water system
or as a result of storage. When the measurement cell is contaminated,
the conductivity (or resistivity) readings become unstable. When the
measurement cell is contaminated, do a clean cycle to clean the
measurement cell and flush the tubes.
1. Put the analyzer in Clean mode. Refer to
on page 24.
The UV lamp comes on to oxidize any contaminants in the
measurement cell. Sample water flows through the analyzer to flush
out any unwanted material.
2. Let the analyzer operate in clean mode for 3 to 4 hours, more if the
sample tube is long, contamination is significant or if the sample
point is at low pressure, such as a gravity-feed tube.
3. Put the analyzer in Auto TOC mode.
Clean the instrument
Clean the exterior of the instrument with a moist cloth and a mild soap
solution.
Install paper in the printer
Install a new thermal paper roll in the printer as necessary. A red stripe
is seen along the edge of the paper near the end of the roll. The red OFF
LINE/PAPER END light on the printer flashes when the printer is out of
paper.
Note: If data is sent to the printer when there is no paper, the green ON LINE light
also flashes. The data sent will show the correct time and date stamps when the
printout is made.
Select the operating mode

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A1000xp

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