Hach PHOSPHAX indoor sc, User Manual

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Section 6 Maintenance
DANGER
Only qualified personnel should conduct the tasks described
in this section of the manual.
DANGER
Potential danger in the event of contact with
chemical/biological materials. Handling chemical samples,
standards and reagents can be dangerous. Familiarize
yourself with the necessary safety procedures and the correct
handling of the chemicals before the work and read and follow
all relevant safety data sheets.
Normal operation of this instrument may involve the use of
hazardous chemicals or biologically harmful samples.
• Observe all cautionary information printed on the original
solution containers and safety data sheet prior to their
use.
• Dispose of all consumed solutions in accordance with
national regulations and laws.
• Select the type of protective equipment suitable to the
concentration and quantity of the dangerous material at
the respective work place.
6.1 General maintenance
• Regularly check the entire system for mechanical damage.
• Regularly check all connections for leaks and corrosion.
• Regularly check all cables for mechanical damage.
6.1.1 Clean the analyzer
Clean the system with a soft, damp cloth. Commercially available
solvents can be used for stubborn soiling.
6.1.2 Reagent replacement
The chemicals must be changed or renewed at regular intervals.
Refer to
Table 3 for information on the life of the chemicals.
6.1.3 Replace the fan filter
The filter air pads must be cleaned or replaced regularly. Refer to
section 6.2 on page 43 for more information.
The cooling fan must be stopped before completing any filter
maintenance.
Table 3 Chemicals for the PHOSPHAX sc
Chemicals ( 8.1 on page 51 )
Low measuring range (LR)
(0.05–15 mg/L)
(Measuring interval 5 minutes) High measuring range (HR)
(1–50 mg/L)
(Measuring interval 5 minutes)
Reagent 2000 mL for 4 months 2000 mL for 2 months
Cleaning solution 1000 mL for 1 year on daily cleaning 1000 mL for 1 year on daily cleaning