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CALIBRATION
7. CALIBRATION
To check the date of last calibration, simply press the GLP/CAL key.
Press again to toggle between date and time.
To make sure that the meter is calibrated, take a measure of a
standard solution.
The instrument can be calibrated at two or three points and a monthly
calibration is recommended.
7.1. CALIBRATION PROCEDURE
• Turn the meter on and wait for the display to show “----”.
• Press the ALT & CAL buttons together. The “CAL” message will
blink on the display 3 times. The meter then enters the calibration
mode, displaying “0.00 cl” and prompting the user to insert the
0.00 FTU standard.
• Place the 0.00 FTU standard in the cuvette holder.
• Press CAL, SIP and CL will start blinking.
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