Hach Polymetron 9611sc PO4 3- Installation page 4

This is the safety alert symbol. Obey all safety messages that follow this symbol to avoid potential
injury. If on the instrument, refer to the instruction manual for operation or safety information.
This symbol indicates the need for protective eye wear.
This symbol identifies a risk of chemical harm and indicates that only individuals qualified and trained
to work with chemicals should handle chemicals or perform maintenance on chemical delivery
systems associated with the equipment.
This symbol indicates that a risk of electrical shock and/or electrocution exists.
This symbol indicates that the marked item can be hot and should not be touched without care.
This symbol indicates that a risk of fire is present.
This symbol identifies the presence of a strong corrosive or other hazardous substance and a risk of
chemical harm. Only individuals qualified and trained to work with chemicals should handle chemicals
or perform maintenance on chemical delivery systems associated with the equipment.
Electrical equipment marked with this symbol may not be disposed of in European domestic or public
disposal systems. Return old or end-of-life equipment to the manufacturer for disposal at no charge to
the user.
Chemical and biological safety
Chemical or biological hazards. If this instrument is used to monitor a treatment process and/or
chemical feed system for which there are regulatory limits and monitoring requirements related to
public health, public safety, food or beverage manufacture or processing, it is the responsibility of the
user of this instrument to know and abide by any applicable regulation and to have sufficient and
appropriate mechanisms in place for compliance with applicable regulations in the event of malfunction
of the instrument.
Product overview
The low range phosphate analyzer uses the ascorbic acid method to measure low concentrations of
orthophosphate in water samples. The high range phosphate analyzer uses the molybdovanadate
method to measure high concentrations of orthophosphate in water samples.
Refer to Figure 1 for the analyzer overview. The doors can be easily removed for better access
during installation and maintenance procedures. The doors must be installed and closed during
operation. Refer to Figure
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D A N G E R
2.