Hanna-instruments HI9126 Manual de usuario descargar pdf (Pagina 8)

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The 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 corresponding to the measured or set temperature.

During calibration the instrument will display the pH buffer value at

25 °C.

H BUFFER TEMPERATUREH BUFFER TEMPERATURE

H BUFFER TEMPERATURE

DEPENDENCEDEPENDENCE

DEPENDENCE

PMET SREFFUBHp

Cº Fº 86.1 10.4 68.6 10.7 81.9 10.01 54.21

0 23 76.1 10.4 89.6 31.7 64.9 23.01 83.31

5 14 76.1 00.4 59.6 01.7 93.9 42.01 81.31

01 05 76.1 00.4 29.6 70.7 33.9 81.01 99.21

51 95 76.1 00.4 09.6 50.7 72.9 21.01 08.21

02 86 86.1 00.4 88.6 30.7 22.9 60.01 26.21

52 77 86.1 10.4 68.6 10.7 81.9 10.01 54.21

03 68 86.1 20.4 58.6 00.7 41.9 69.9 92.21

53 59 96.1 30.4 48.6 99.6 11.9 29.9 31.21

04 401 96.1 40.4 48.6 89.6 70.9 88.9 89.11

54 311 07.1 50.4 38.6 89.6 40.9 58.9 38.11

05 221 17.1 60.4 38.6 89.6 10.9 28.9 07.11

55 131 27.1 80.4 48.6 89.6 99.8 97.9 75.11

06 041 27.1 90.4 48.6 89.6 79.8 77.9 44.11

56 941 37.1 11.4 48.6 99.6 59.8 67.9 23.11

07 851 47.1 21.4 58.6 99.6 39.8 57.9 12.11

57 761 67.1 41.4 68.6 00.7 19.8 47.9 01.11

08 671 77.1 61.4 78.6 10.7 98.8 47.9 00.11

58 581 87.1 71.4 78.6 20.7 78.8 47.9 19.01

09 491 97.1 91.4 88.6 30.7 58.8 57.9 28.01

59 302 18.1 02.4 98.6 40.7 38.8 67.9 37.01

CONDITION

The display is provided with a 5-dot bargraph (unless disabled)

which gives an indication of the electrode status after calibration:

Bargraph indication Condition value

All 5 dots steady 81 to 100% of life

4 dots steady 61 to 80%

3 dots steady 41 to 60%

2 dots steady 21 to 40%

1 dot steady 1 to 20%

1 dot blinking 0%

Only frame is ON No info available

The “condition” bargraph remains active for 12 hours after calibration,

then only the frame is shown.

Note: When an abnormal condition in the RTC is detected, the “condition”

is cleared and only the bargraph frame is shown on the display.

CLEAN ELECTRODE

Each time pH calibration is performed, the meter internally compares

the new calibration with the one previously stored.

When this comparison indicates a significant

difference, the “CLEAN ELECTRODE”

message blinks on the LCD to advise the

user that the pH electrode may need to

be cleaned (see “Electrode Conditioning &

Maintenance” section).

After cleaning, perform calibration.

Note: If the calibration data are cleared, the comparison is done

with the default values.

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 16 17

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Hanna-instruments HI9126 Manual de usuario Pagina 8

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