Hanna-instruments HI 96104 Instrukcja Użytkownika Pobierz pdf (Strona 14)

14

• When the beeper sounds briefly and the

LCD displays dashes, the meter is ready.

The blinking “ZERO” indicates that the

instrument needs to be zeroed first.

Note: Pay attention that the selected range

is the one desired to run measurements.

If not, change the range following the

instructions from Range Selection.

pH MEASUREMENT

• Fill the cuvette with 10 mL of unreacted

sample, up to the mark, and replace the

cap.

• Place the cuvette 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.

• After a few seconds, the display will

show “-0.0-”. The meter is now zeroed

and ready for measurement.

• Remove the cuvette and add 5 drops of

the HI 93710-0 Phenol Red Indicator.

Replace the cap and shake gently the

solution.

• Replace the cuvette into the cuvette holder

and ensure that the notch on the cap is

positioned securely into the groove.

• Press READ/ /TIMER. The lamp, cuvette

and detector icons will appear on the

display, depending on the measurement

phase.

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