Hanna-instruments HI 96721C Manuale Utente Scaricare il pdf (Pagina 17)

CALIBRATION PROCEDURE

Note: It is possible to interrupt calibration procedure at any time by pressing CAL CHECK or

ON/OFF keys.

Warning: Do not calibrate the instrument with standard solutions other than the HANNA CAL

CHECK

Standards, otherwise erroneous results will be obtained.

• Turn the meter on by pressing ON/OFF.

• When the beeper sounds briefly and the

LCD displays dashes, the meter is ready.

• Press and hold CAL CHECK for three

seconds to enter

calibration mode

. The

display will show “CAL” during

calibration procedure. The blinking

“ZERO” asks for instrument zeroing.

• Place the CAL CHECK

Standard

HI 96721-11 Cuvette A into the cuvette

holder and ensure that the notch on the

cap is positioned securely into the groove.

• Press ZERO/CFM and the lamp, cuvette

and detector icons will appear on the

display, depending on the measurement

phase.

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Hanna-instruments HI 96721C Manuale Utente Pagina 17