Consumables And Replacement Parts - Hach DR1300 FL Manuel De L'utilisateur

Problem
The readings
are high.
The readings
are high.
Unexpected
readings
The instrument
reading is
different from
the online
analyzer
reading.
The instrument
reading is
different from
the online
analyzer
reading.
Section 12 Consumables and replacement parts
Personal injury hazard. Use of non-approved parts may cause
personal injury, damage to the instrument or equipment
malfunction. The replacement parts in this section are approved by
the manufacturer.
Note: Product and Article numbers may vary for some selling regions. Contact
the appropriate distributor or refer to the company website for contact
information.
24 English
Possible cause
The sample vials are
dirty or have scratches.
The wrong parameter
was selected.
The sample is not a
clean water sample.
The sample is not a
representative sample
and is not well mixed.
The grab sample was
not analyzed
immediately.
Note: The DPD method is
less accurate in the lower
ppb range compared to the
fluorescence method.
Other oxidants do not
interfere with the
fluorescence method.
W A R N I N G
Solution
Clean the sample vials if dirty.
Replace the sample vials if the
sample vials have scratches.
Make sure to select the correct
parameter (e.g., free chlorine) and
use the correct reagents for the
parameter.
The DR1300 FL is intended for use
with clean water samples.
Make sure to get a representative
sample. Refer to the instructions in
the Sample Collection section of the
test procedure.
Analyze the grab samples
immediately. The chlorine
concentration decreases quickly in
ultra low range chlorine samples.