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Hanna Instruments HI 3512 User Manual

Hanna Instruments HI 3512
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2120
When the reading is stable and close to the selected buffer, the
Confirm function key is displayed.
Press Confirm to confirm calibration.
The calibrated value and the third expected buffer value will be
displayed.
After the second calibration point is confirmed, immerse the pH
electrode and the temperature probe approximately 3 cm (1¾”) into
a third buffer solution and stir gently. The temperature probe should
be close to the pH electrode.
If necessary, press the ARROW keys to select a different buffer value.
The “ ” tag will blink on the LCD until the reading is stable.
When the reading is stable and close to the selected buffer, the
Confirm function key is displayed.
Press Confirm to confirm calibration.
Repeat this procedure with two additional pH buffers to encompass the
entire sample pH range.
FIVE-POINT CALIBRATIONFIVE-POINT CALIBRATION
FIVE-POINT CALIBRATIONFIVE-POINT CALIBRATION
FIVE-POINT CALIBRATION
Immerse the pH electrode and the temperature
probe approximately 3 cm (1¼”) into a buffer
solution of your
choice (pH 1.68, 4.01, 6.86,
7.01, 9.18, 10.01, 12.45 or a custom buffer)
and stir the buffer gently. The temperature probe
should be close to the pH electrode.
Enter pH calibration. The instrument will display the measured pH,
the LCD first expected buffer and the temperature reading.
If necessary, press the ARROW keys to select a different buffer value.
The “ ” tag will blink on the LCD until the reading is stable.
When the reading is stable and close to the selected buffer, Confirm
function key is displayed.
Press Confirm to confirm first point.
The calibrated value and the second expected buffer value is then
displayed on the LCD.
After the first calibration point is confirmed, immerse the pH electrode
and the temperature probe approximately 3 cm (1¾”) into the
second buffer solution and stir gently. The temperature probe should
be close to the pH electrode.
If necessary, press the ARROW keys to select a different buffer value.
The “ ” tag will blink on the LCD until the reading is stable.
3 cm

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Hanna Instruments HI 3512 Specifications

General IconGeneral
BrandHanna Instruments
ModelHI 3512
CategoryMeasuring Instruments
LanguageEnglish

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