Total Iron, TPTZ (Fe
+2
/Fe
+3
) Table
Iron results require the table below.
eXact
®
Reagent EZ Open REDUCER, Part No. 486601 - for 4mL Samples
Rev. 020311 TPTZThis table was calibrated using Fe
+2
Iron Standards
%T
90
80
70
60
50
40
30
20
10
0
987654 3 2 1 0
7
Find the “TR7” result in the table below to determine the Iron concentration in ppm (parts per
million). (Example: a “TR7” result of 85.3 (use only the 85 for the chart) equals an Iron value of
0.08 ppm). Record result.
After testing is completed, rinse cell immediately.
USE TABLE
5
Press the ZERO/ON button. The cursor will move across the display, followed by 100 %T.
Sample is ready for testing.
ZERO METER*
4
Tilt meter to discard about 0.2mL water in order to leave room for powder reagent. Add the
contents of one eXact
®
Reagent EZ Open REDUCER, Part No. 486601 to the CELL and cap
meter cell with mixing cap. Press READ to start the 20 SECOND countdown timer, place thumb
over cap, and mix the sample by turning the meter upside-down repetitively. When time displays
1, hold the meter upright and the cursor will move across the display, informing you that it is
about to measure the sample (ignore this result). Wait 40 seconds (timer not included).
ADD REAGENT, CAP, AND MIX
1
Press the ZERO/ON button to power the meter on; the display will show all annunciators,
then the current MENU selection, followed by the last reading.
TURN METER ON
2
Press and re-press the MENU button until the display shows the parameter TR7.
SELECT TEST: TR7
3
Rinse the CELL at least 3 times with the water sample you will be testing - rinsing minimizes
the potential for cross-contamination from a previous test. Fill cell to capacity (4ml) with the
water sample.
FILL METER WITH SAMPLE
12
6
Dip the eXact
®
Strip Micro FE (TPTZ), Part No. 486631 into the CELL and immediately press
READ. 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
cursor will move across the display while the meter prepares to measure the sample (ignore this
result). Wait 20 seconds (timer not included) and press READ to start an additional 20 SECOND
countdown. When time displays 1, the cursor will move across the display, informing you that
it is about to measure the sample. Record result displayed (this result is automatically stored in TR7).
DIP STRIP AND PRESS “READ”
Total Iron, TPTZ (Fe
+2
/Fe
+3
) Test Procedure
TR7
FE
<0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 0.02
0.02 0.04 0.05 0.06 0.08 0.09 0.10 0.11 0.12 0.14
0.15 0.16 0.17 0.18 0.20 0.21 0.22 0.24 0.25 0.26
0.28 0.30 0.31 0.32 0.34 0.36 0.37 0.38 0.40 0.42
0.43 0.44 0.46 0.48 0.50 0.52 0.54 0.56 0.57 0.58
0.60 0.62 0.64 0.66 0.68 0.70 0.72 0.74 0.76 0.80
0.82 0.84 0.86 0.90 0.92 0.94 0.98 1.00 1.02 1.06
1.10 1.12 1.16 1.20 1.24 1.28 1.32 1.36 1.40 1.46
1.50 1.56 1.62 1.68 1.76 1.84 1.92 2.00 2.10 2.20
2.30 2.44 2.58 2.74 2.92 3.14 3.42 4.00 5.00 >5.00
*NOTE: When testing outdoors (sunlight), for best accuracy, use the Mixing Cap/Cell Cover when Zeroing and Reading the sample.
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