Hanna Instruments HI 98188 Instruction Manual page 54

• When the reading is stable and close to the selected calibration point, the
CFM functional key is displayed.
• Press CFM to confirm.
• The second expected calibrated point is displayed.
• Immerse the probe into the second vessel as close as possible to the reference
thermometer. Allow a few seconds for the probe to stabilize.
• Use the ARROW keys to set the calibration point value to that measured
by the reference thermometer.
• When the reading is stable and close to the selected calibration point,
CFM functional key is displayed.
• Press CFM to confirm. The instrument returns to measurement mode.
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