28
11.2 Appendix 2
The following table shows the various pH values at different
temperature of the solution during calibration.
Temperature
(
o
C)
pH 1.68
(oxalate)
pH 4.01
(phthalate)
pH 6.86
(tetraoxalate)
pH 7.00
(neutral
phosphate)
pH 9.18
(tetra borate )
pH 10.01
(carbonate)
0
1.67
4.01
6.98
7.12
9.47
10.32
5
1.67
4.01
6.95
7.09
9.38
10.25
10
1.67
4.00
6.92
7.06
9.32
10.18
15
1.67
4.00
6.90
7.04
9.27
10.12
20
1.68
4.00
6.88
7.02
9.22
10.06
25
1.68
4.01
6.86
7.00
9.18
10.01
30
1.69
4.01
6.85
6.99
9.14
9.97
35
1.69
4.02
6.84
6.98
9.10
9.93
40
1.70
4.03
6.84
6.97
9.07
9.89
45
1.70
4.04
6.83
6.97
9.04
9.86
50
1.71
4.06
6.83
6.97
9.01
9.83
55
1.72
4.08
6.83
6.97
8.99
9.81
60
1.73
4.10
6.84
6.98
8.96
9.79
70
1.74
4.12
6.85
6.99
8.92
9.76
80
1.77
4.16
6.86
7.00
8.89
9.74
90
1.80
4.20
6.88
7.02
8.85
9.73
Содержание ALPHA PH 800 PHORP CONTROLLERTRANSMITTER
Страница 1: ...EUTECH INSTRUMENTS lpha pH800 pH and ORP Controller Transmitter Operating Instructions 68X216813 03 99...
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Страница 11: ...7 0V Pt100 RELAY A L N PE 100mA F FUSE 250VAC HOLD RELAY B Pt1000 PAL S NC NC NC NC...
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