11
Total Lead in Water Test Procedure
Uses Reagent Set Part Number 486901
1
PREPARE SAMPLE FOR TESTING
Collect water sample in 50mL conical tube to the 50mL
line. Add five (5) drops of
ACID-1 Reagent, Part #486999.
Mix and allow to sit for at least five (5) minutes. After this
time, TEST SAMPLE is ready for testing.
2
TURN METER ON
Press the
button to power the meter on; the
display will show all annunciators, then the current MENU
selection, followed by the last reading.
4
ADD SAMPLE TO CELL
Using the TEST SAMPLE from above, fill and empty
the
CELL four (4) times. Finally, fill cell to capacity with
the TEST SAMPLE. Tilt meter forward to allow excess
sample to flow out in order to make room for Pb-2
Reagent addition below.
5
ADD REAGENT PB-2
Add five (5) drops of
eXact
®
Reagent Pb-2, Part #488375-B.
1
2
3
SELECT TEST: Pb
Press and re-press the
button until the display
shows the parameter Pb.
4
5
6
DIP STRIP & PRESS READ
Dip the
eXact
®
Strip Pb-3, Part No. 486997 into the
CELL and immediately press
. This starts the
20 SECOND countdown timer. During this time move
the strip in a gentle back and forth motion.
Remove and
discard the strip after “1” on the display disappears.
The display will flash (- - -) and begin immediately
counting up from
1 to 60. After the 60 seconds, the meter
automatically zeros. The cursor will move across the
display followed by
0 µg (µg/L).
7
DIP STRIP & PRESS READ
Dip the
eXact
®
Strip Pb-4, Part No. 486995 into the
CELL and immediately press
. This starts the
20 SECOND countdown timer. During this time move
the strip in a gentle back and forth motion.
Remove and
discard the strip after “1” on the display disappears.
The display will flash (- - -) begin immediately counting
up from
1 to 60. After the 60 seconds, the cursor will
move across the display, informing you that it is about
to measure the sample as
µg (µg/L). Record result
(this result is automatically stored in
PB). After testing
is complete discard sample and rinse cell at least three
times with clean water.
6
7
3
Soluble Lead Test Procedure
Collect water sample in 50mL conical tube to the 50mL line. Add two (2) drops of eXact
®
Reagent Pb-
2, Part #488375-B. TEST SAMPLE is ready for testing. Turn meter on and select test menu PB. Using
the TEST SAMPLE from above, fill and empty the CELL four (4) times. Finally, fill cell to capacity with
the TEST SAMPLE. Then perform steps 6 and 7 from above.
To get results as Colloidal Lead, subtract the Soluble Lead value from the Total Lead value.
Summary of Contents for 486900-BT
Page 1: ...Smart Photometer System ...
