Hanna Instruments HI 93414 - Manual (Page 35)

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• Press and hold CAL/CHECK for 3 seconds to
enter calibration. The LCD will show “ CAL”
tag and the parameter for which the calibration
is performed.
• Place the CAL CHECK™ Standard Cuvette A into
the holder and ensure that the mark on the
cuvette is aligned with the mark on the
instrument top.
• Close the lid and press ZERO/AVG ▼ . The
LCD will display blinking dashes and the
measuring icon during zero measurement. At
the end of the zero measurement, “
-0.0-” is
displayed. The “ READ” tag will blink.
• Remove the cuvette.
• Place the CAL CHECK™ Standard Cuvette B into
the holder. Make sure that the mark on the
cuvette is aligned with the mark on the
instrument top.
• Close the lid and press READ/TIMER . The
instrument will show blinking dashes and the
measuring icon during measurement.
• At the end, the value of the CAL CHECK™
standard value (1.00 mg/L) is displayed for
one second and then “
Stor” to confirm that the
new calibration data has been accepted.
• The meter automatically enters in measurement
mode.