3 Basic Operation
46
5.
In the parameter selection screen, move the cursor to "pH", then press the ENTER
key.
6.
Set the number of calibration points, then press the ENTER key.
7.
Press the up (
) and down (
) keys to set the pH value of the pH 6.86 standard
solution containing the submerged sensor probe at the measurement temperature
Table 1 Indicated value of HORIBA pH standard solutions at various temperatures (pH)
Temp. (
C)
pH 4 standard solution
Phthalate
pH 6.86 standard
solution
Neutral phosphate
pH 9 standard solution
Borate
0 4.01
6.98
9.46
5
4.01
6.95
9.39
10
4.00
6.92
9.33
15
4.00
6.90
9.27
20
4.00
6.88
9.22
25
4.01
6.86
9.18
30
4.01
6.85
9.14
35
4.02
6.84
9.10
40
4.03
6.84
9.07
45
4.04
6.84
9.04
Содержание U-51
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