TM 10-4610-310-14
OPERATOR INSTRUCTIONS
LIGHTWEIGHT WATER PURIFIER
CHLORINE TEST STRIP
GENERAL
This work package contains information and instructions for using the chlorine strips to monitor the chlorine level
in the source water and the product water.
TEST PROCEDURE
1. Retrieve one test strip from the test strip container in the BII box and rip open the foil wrapping from one
end.
2. Dip one test strip into about 2 oz (50 ml) of sample. Refer to Table 1 for required dip time.
3. Stir with constant gentle back-and-forth motion and ensure the water flows through the indicator pad.
Table 1. Temperature Adjustment Chart.
C/ F
C/ F
C/ F
C/ F
C/ F
C/ F
Dip
Dip
Dip
Dip
Dip
Dip
Time
Time
Time
Time
Time
Time
(s)
(s)
(s)
(s)
(s)
(s)
0 / 32
80
7 / 45
56
14/57
39
21/70
24
28/82
17
35/95
14
1 / 34
76
8 / 46
53
15/59
37
22/72
22
29/84
17
36/97
14
2 / 36
71
9 / 48
50
16/60
34
23/73
21
30/86
16
37/99
13
3 / 37
68
10/50
47
17/62
32
24/75
20
31/88
16
38/100
13
4 / 39
65
11/52
45
18/64
30
25/77
19
32/90
15
39/102
13
5 / 41
61
12/54
43
19/66
28
26/79
18
33/91
15
40/104
13
6 / 43
58
13/55
41
20/68
26
27/81
18
34/93
14
4. Complete about 40 strokes during the dip time.
5. Remove and shake strip briskly one time to remove excess sample.
6. Wait twenty seconds and match with the color scale on the bottle to determine ppm (mg/L)
concentration of free chlorine.
a. Fold the chlorine test strip in half so that the indicator pad is viewed against the white strip.
Figure1. Color Scale and Viewing the Indicator Pad.
NOTE
Color matching must be completed within one minute after the waiting period for the most accurate reading.
END OF WORK PACKAGE
