Hanna Instruments HI96705C, Инструкция по эксплуатации, Страница: 21 / 28

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Note: If the display shows “STD HIGH”, the standard value was too high. If the display
shows “STD LOW”, the standard value was too low. Verify that both CAL Check
TM
Standards
HI96705-11 Cuvettes, A and B are free of fingerprints or dirt and that they are inserted
correctly.
• Then the date of the last calibration (e.g.: ”01.08.2009”) appears on the display, or
“01.01.2009” if the factory calibration was selected before. In both cases the year number is
blinking, ready for date input.
CALIBRA
TION
PROCEDURE
• After a few seconds the display will show “-0.0-” . The meter is now zeroed and ready for
calibration. The blinking “READ” asks for reading calibration standard.
• Remove the cuvette.
• Place the
CAL Check
TM
Standard HI96705-11 Cuvette B into the cuvette holder and ensure
that the notch on the cap is positioned securely into the groove.
• Press READ /TIMER and the lamp, cuvette and detector icons will appear on the display,
depending on the measurement phase.
• After measurement the instrument will show for three seconds the CAL Check
TM
Standard value.