Hanna Instruments HI 222 - Manual (Page 30)

30
Temperature has an effect on pH. The calibration buffer solutions are affected
by temperature changes to a lesser degree than normal solutions. During
calibration the instrument will automatically calibrate to the pH value corre-
sponding to the measured or set temperature.
T E M P p H V A L U
º C º F 1 .6 8 4 .0 1 6 .8 6 7 .0 1
0 3 2 1 .6 7 4 .0 1 6 .9 8 7 .1 3
5 4 1 1 .6 7 4 .0 0 6 .9 5 7 .1 0
1 0 5 0 1 .6 7 4 .0 0 6 .9 2 7 .0 7
1 5 5 9 1 .6 7 4 .0 0 6 .9 0 7 .0 4
2 0 6 8 1 .6 8 4 .0 0 6 .8 8 7 .0 3
2 5 7 7 1 .6 8 4 .0 1 6 .8 6 7 .0 1
3 0 8 6 1 .6 8 4 .0 2 6 .8 5 7 .0 0
3 5 9 5 1 .6 9 4 .0 3 6 .8 4 6 .9 9
4 0 1 0 4 1 .6 9 4 .0 4 6 .8 4 6 .9 8
4 5 1 1 3 1 .7 0 4 .0 5 6 .8 3 6 .9 8
5 0 1 2 2 1 .7 1 4 .0 6 6 .8 3 6 .9 8
5 5 1 3 1 1 .7 2 4 .0 7 6 .8 4 6 .9 8
6 0 1 4 0 1 .7 2 4 .0 9 6 .8 4 6 .9 8
6 5 1 4 9 1 .7 3 4 .1 1 6 .8 5 6 .9 9
7 0 1 5 8 1 .7 4 4 .1 2 6 .8 5 6 .9 9
During calibration the instrument will display the buffer value at 25 °C.
pH VALUES AT DIFFERENT
TEMPERATURES