Hanna-instruments HI 84529-01 Manual do Utilizador descarregar pdf (Página 29)

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Operational Guide

pH Bu er

Temperature

Dependence

Note: To clear a previous calibration

and to return to the default value,

press CLEAR at any time after entering

calibration mode. If CLEAR is invoked

during the  rst calibration, point the

instrument returns to the measurement

mode. The CLEAR key is displayed only if

a previous calibration exists.

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 6.00 8.30 10.01

0 32

4.01 6.12 8.48 10.32

5 41

4.00 6.09 8.44 10.24

10 50

4.00 6.06 8.41 10.18

15 59

4.00 6.04 8.37 10.12

20 68

4.00 6.02 8.33 10.06

25 77 4.01 6.00 8.30 10.01

30 86

4.02 5.99 8.27 9.96

35 95

4.03 5.98 8.24 9.92

40 104

4.04 5.97 8.21 9.88

45 113

4.05 5.97 8.18 9.85

Electrode

Calibration

Procedure

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 53 54

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