Hach 2200 PCX, Основное руководство пользователя

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Maintenance schedule
Table 6 shows the recommended schedule of maintenance tasks. Facility requirements and
operating conditions may increase the frequency of some tasks
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Table 6 Maintenance schedule
Task Weekly Monthly 3 months 6 months Yearly
Clean the cell on page 21 (untreated water or clarifier
effluent)
X
Clean the cell on page 21 (treated water samples (filter
effluent))
X
Replace the tubing on page 23 (untreated water) X
Replace the tubing on page 23 (clarifier effluent) X
Replace the tubing on page 23 (treated water samples
(filter effluent))
X
Factory calibration X
Clean spills
C A U T I O N
Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
1. Obey all facility safety protocols for spill control.
2. Discard the waste according to applicable regulations.
Clean the instrument
Clean the exterior of the instrument with a moist cloth, and then wipe the instrument dry.
Clean the cell
W A R N I N G
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
The instrument sensor has a cell assembly that moves the water through the laser beam. A cell
becomes dirty when the sample dries out in the flow cell and small quantities of residue stay on the
flow cell surface. This can have an effect on the calibration of the instrument and the clean sensor fail
indicator LED comes on. Do the procedure that follows and refer to
Figure 11 .
Items to collect:
• Supplied cleaning brush
• Supplied cleaning solution
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Excursions of high turbidity, minerals (iron, manganese, calcium, etc.) and algae or other
microbiological growths can increase the cleaning frequency.
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