Hanna Instruments HI 3512 - Manual (Page 36)

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• Rinse the probe with some of the calibration solution or deionized
water. Immerse the probe into HI 7037L solution. Tap the probe
repeatedly to remove any air bubbles that may be trapped inside
the sleeve.
• The “ ” tag will blink on the LCD until the reading is stable.
• When the reading is stable, the Confirm functional key is displayed.
Press Confirm to confirm calibration.
• The instrument returns to measurement mode.
Notes:
• If the uncalibrated reading is too far from the expected value,
calibration is not recognized. The “ Wrong” message will be
displayed.
• The meter uses 1.90 %/°C temperature compensation factor during
calibration. If the “ Temperature Coef” in the Setup menu has
been set to a different value, when exiting calibration mode, the
displayed value might be different from the nominal standard value.