Hanna Instruments HI 83749 - Page 16

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CALIBRATION PROCEDURE
Note: If you’re using different calibration standards, change the displayed value by pressing UP
or DOWN keys until the display shows the desired value.
• Remove the <0,10 NTU standard cuvette and place the 15.0 NTU standard cuvette into the holder.
• Close the lid and press READ  “----” and the “Lamp and Read Status” indicator will blink again
while making the reading.
• At the end of the reading, the third calibration point (100 NTU) and “CAL P.3” is displayed. If
desired, the value can be changed using the UP or DOWN keys.
Note: Press CAL/RCL to exit calibration. The instrument will memorize the two-point (<0.10 and
15.0 NTU) calibration data and will return to measurement mode.
• Remove the 15.0 NTU standard cuvette from the meter and place the 100 NTU standard cuvette
into the holder.
• Close the lid and press READ  “----” and the “Lamp and Read Status” indicator will
blink again while making the reading. At the end of the reading, the fourth calibration point