Справочник Пользователя для Hanna Instruments hi 931402
24
Note: the electrode should be
submerged approximately
4 cm (1½") into the solution.
The temperature probe should
be located as close as pos-
sible to the pH electrode.
submerged approximately
4 cm (1½") into the solution.
The temperature probe should
be located as close as pos-
sible to the pH electrode.
• Rinse the electrode and the temperature probe
before immersing them into pH 4.01/ pH10.01
calibration buffer, shake briefly and wait for
thermal equilibrium.
calibration buffer, shake briefly and wait for
thermal equilibrium.
• The meter automatically rec-
ognizes the buffer value and
prompts for the second at "t2"
(pH 4.01, acid) or "t3"
(pH 10.01, alkaline).
prompts for the second at "t2"
(pH 4.01, acid) or "t3"
(pH 10.01, alkaline).
• Press the CON key to confirm the pH value
and the display will indicate the temperature
compensated buffer value e.g. if the tempera-
ture is at 25°C, the display will show "pH 4.01"
or "10.01", depending on the solution used.
compensated buffer value e.g. if the tempera-
ture is at 25°C, the display will show "pH 4.01"
or "10.01", depending on the solution used.
If the temperature is at 20°C, the display will
show respectively "pH 4.00" or "pH 10.06"
(see page 26).
show respectively "pH 4.00" or "pH 10.06"
(see page 26).
• Press CON key again to confirm calibration.
The pH symbol will stop flashing and the unit
is now calibrated and ready for measure-
ments.
is now calibrated and ready for measure-
ments.
CON
pH
°C
4 cm
(1½
")
CON
pH
°C