Table 4-1 Standard Ph Buffer Values - Honeywell DirectLine DL421 User Manual

Sensor module for durafet ii, durafet iii, meredian ii, and hpw7000 ph electrodes
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Calibration
Temp °C
0
Group
Buffer
US
2
2.01
(default)
4
4.01
7
7.13
10
10.34
12
12.60
NIST
1.68
1.67
4.01
4.01
6.86
6.98
9.18
9.48
13.42
12.45
EURO
1
0.98
3.02
3
6
6.03
8
8.15
10
10.22
20

Table 4-1 Standard pH Buffer Values

5
10
15
2.01
2.01
2.01
3.99
4.01
3.99
7.10
7.07
7.05
10.26
10.19
10.12
12.44
12.28
12.14
1.67
1.67
1.67
4.00
4.00
4.00
6.95
6.92
6.90
9.40
9.33
9.28
13.21
13.01
12.80
0.98
0.99
0.99
3.02
3.02
3.02
6.02
6.01
6.00
8.11
8.07
8.03
10.17
10.12
10.05
DirectLine® DL421 Sensor Module User Manual
20
25
30
2.00
2.00
2.00
4.00
4.00
4.01
7.02
7.00
6.99
10.06
10.00
9.94
12.00
11.88
11.79
1.68
1.68
1.68
4.00
4.01
4.01
6.88
6.86
6.85
9.23
9.18
9.14
12.64
12.45
12.30
1.00
1.00
1.01
3.00
3.00
2.99
6.00
6.00
6.00
8.00
7.97
7.94
10.00
9.95
9.90
35
40
45
2.00
2.00
2.00
4.02
4.03
4.04
6.98
6.97
6.97
9.90
9.85
9.82
11.66
11.53
11.43
1.69
1.69
1.70
4.02
4.03
4.04
6.84
6.84
6.83
9.10
9.07
9.04
12.13
11.99
11.84
1.01
1.01
1.01
2.99
2.98
2.98
6.01
6.02
6.04
7.91
7.88
7.87
9.86
9.82
9.78
50
2.00
4.05
6.97
9.78
11.32
1.71
4.06
6.83
9.01
11.71
1.02
2.97
6.05
7.86
9.74
2/04

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