LaMotte 4140-03, Руководство пользователя

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DC1200 - INITIAL DETERMINATION OF STANDARD VALUE
Perform this procedure once, when standards are received.
Follow the Calibration
Procedure in the
Colorimeter manual.
Use two standards, as
described, that have
been titrated by an
EPA accepted method
(such as LaMotte
Method 3176-02).
Insert the
DPD Chlorine
Color Standard
Blank into the
chamber, being
sure to align
the index line
with the arrow
on the meter.
Close the lid.
Wipe the DPD Chlorine Color Standard
A (4147-E) with a clean, lint-free cloth.
Press the
READ
button. The
concentration
in ppm will be
displayed within
2 seconds.
Wipe the DPD Chlorine Color Standard
Blank (4136-E) with a clean, lint-free cloth.
Push the
READ
button to turn the
meter on. Press
the
ZERO
button
and hold it for
2 seconds until
bLA is displayed.
Release the button
to take a zero
reading ( 0 ppm).
Insert DPD
Chlorine Color
Standard A into
the chamber,
being sure to align
the index line
with the arrow on
the meter. Close
the lid.
Record the actual reading on the
DPD Chlorine Color Standard A
cap and on the Data Sheet, under
initial reading.
Repeat steps 5-8 for DPD Chlorine Color Standard B (4138-E) and DPD
Chlorine Color Standard C (4139-E).
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