Hanna Instruments HI98190 User Manual

15
pH CALIBRATION
• Press CAL. The instrument will display the measured pH, the LCD first expected buffer and the
temperature reading.
• 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, CFM functional key is
displayed.
• Press CFM 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 4 cm (1½”) into the second buffer solution and stir gently. The tempera‑
ture 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.

Hanna Instruments HI98190 Specifications

General

Brand	Hanna Instruments
Model	HI98190
Category	Measuring Instruments
Language	English