Hanna Instruments HI98190 User Manual

16
pH CALIBRATION
• Press CFM 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 4 cm (1½”) into the third buffer solution and stir gently. The temperature
probe should be close to the pH electrode.
• If necessary, press the / 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 within range of the selected buffer, the CFM functional key is
displayed.
• Press CFM to confirm calibration.
• The calibrated value and the fourth expected value will be displayed.
• After the third calibration point is confirmed, immerse the pH electrode and the temperature
probe approximately 4 cm (1½”) into the fourth buffer solution and stir gently. The temperature
probe should be close to the pH electrode.
• If necessary, press the / keys to select a different buffer value.
• The “ ” tag will blink on the LCD until the reading is stable.

Hanna Instruments HI98190 Specifications

General

Brand	Hanna Instruments
Model	HI98190
Category	Measuring Instruments
Language	English