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EN-18
7. BUFFER GROUP
The meter automatically correct for the temperature dependence of the buffer group pH
value given in the following tables.
Buffer group 1
Temp °C
pH1.68
5
1.67
4.01
10
1.67
4.00
15
1.67
4.00
20
1.68
4.00
25
1.68
4.01
30
1.68
4.01
35
1.69
4.02
40
1.69
4.03
45
1.70
4.05
50
1.71
4.06
Buffer group 2
Temp °C
pH1.68
5
1.67
4.01
10
1.67
4.00
15
1.67
4.00
20
1.68
4.00
25
1.68
4.01
30
1.68
4.01
35
1.69
4.02
40
1.69
4.03
45
1.70
4.04
50
1.71
4.06
pH4.01
pH7.00
7.09
10.25
13.21
7.06
10.18
13.00
7.04
10.12
12.81
7.02
10.06
12.63
7.00
10.01
12.45
6.99
9.97
12.29
6.98
9.93
12.13
6.97
9.89
11.98
6.97
9.86
11.84
6.96
9.83
11.70
pH4.01
pH6.86
6.95
9.39
13.21
6.92
9.33
13.00
6.90
9.28
12.81
6.88
9.23
12.63
6.86
9.18
12.45
6.85
9.14
12.29
6.84
9.11
12.13
6.84
9.07
11.98
6.83
9.04
11.84
6.83
9.02
11.70
AB23PH Bench pH Meter
pH10.01 pH12.45
pH9.18
pH12.45
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