Hanna Instruments HI 9828 - Manual (Page 38)

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• When the reading is stable, press CONFIRM to store the calibration point.
• After confirmation, the following messages are displayed: “Storing data on
probe, please wait...”, “Updating GLP data, please wait...”, “Calibration com-
plete”.
• Press OK to return to the main calibration menu.
• To return to the main menu, press ESC repeatedly.
• To restore the factory calibration data, select the corresponding option in the
“ORP calibration” menu and then press OK.
4.7 TEMPERATURE CALIBRATION
The meter is factory calibrated for temperature readings. If necessary, tempera-
ture calibration may be performed as explained below.
4.7.1 Procedure
• Select “Temperature” in the main calibration menu and press OK to enter the
temperature calibration mode.
• Insert the probe in the thermoregulated bath.
• Select the measure unit (°C, °F or K) and insert
the bath temperature value (read by a refer-
ence thermometer).
• When the reading in stable, READY and CON-
FIRM appear on the display.
• Press CONFIRM to store the calibration point.
• After confirmation, the following messages are
displayed: “Storing data on probe, please
wait...”, “Updating GLP data, please wait...”,
“Calibration complete”.
• Press OK to return to the main calibration menu.
• To return to the main menu, press ESC repeatedly.
NO NO NO NO NOTE TE TE TE TE The meter allows a maximum difference
of ±2°C between the current reading
and the set value. If this condition is
not satisfied, the display will show the
message “Max +/-2°C is allowed”.