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Operational Guide

pH Buer

Temperature

Dependence

Temperature has an eect on pH. The calibration buer solutions are

aected by temperature changes to a lesser degree than normal solutions.

During calibration, the instrument will automatically calibrate to the pH value

corresponding to the measured or set temperature.

During calibration the instrument will display the pH buer value at 25 ºC.

Temp pH Buers

ºC ºF

4.01 7.01 8.20 10.01

0 32

4.01 7.13 8.38 10.32

5 41

4.00 7.10 8.34 10.24

10 50

4.00 7.07 8.31 10.18

15 59

4.00 7.04 8.27 10.12

20 68

4.00 7.03 8.23 10.06

25 77 4.01 7.01 8.30 10.01

30 86

4.02 7.00 8.17 9.96

35 95

4.03 6.99 8.14 9.92

40 104

4.04 6.98 8.11 9.88

45 113

4.05 6.98 8.08 9.85

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Hanna-instruments HI 84529 Bedienungsanleitung Seite 29