4
SMART 2 - 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
*/ENTER
to scan the
sample. The concentration
will be displayed.
015 Chlorine
*Scan Sample
Wipe the DPD Chlorine Color Standard
Blank (4136-E) with a clean, lint-free cloth.
Press
ON
to turn the meter on. Press
*/ENTER
to select
START
. Press
*/
ENTER
to select Testing Menu. Press
*/ENTER
to select All Tests. Press
or
to scroll to
015 Chlorine
. Press
*/ENTER
to select 015 Chlorine. Press
*/ENTER
to scan the blank.
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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Summary of Contents for 4140-03
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