Hanna-instruments HI 95715 Manual de usuario descargar pdf (Pagina 13)

MEASUREMENT PROCEDURE

• Turn the meter on by pressing ON/OFF.

• When the LCD displays “715”, it is ready.

• Fill the cuvet with 10 mL of unreacted sample,

up to the mark, and replace the cap.

• Place the cuvet into the holder and ensure that

the notch on the cap is positioned securely into

the groove.

• Press ZERO and “SIP” will blink on the display.

• After a few seconds the display will show

“ -0.0- ”. The meter is now zeroed and ready

for measurement.

• Remove the cuvet, open it and add 4 drops of

HI 93715A-0 First Reagent (6 drops in case

of seawater analysis). Swirl the cuvet gently

to mix.

• Add 4 drops of HI 93715B-0 Second Reagent

to the cuvet (10 drops in case of seawater

analysis). Replace the cap and swirl the cuvet

to mix.

MEASUREMENT PROCEDURE

Turn the meter on by pressing ON/OFF and follow instruction manual to perform either the

MEASUREMENT, VALIDATION or CALIBRATION PROCEDURE.

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Hanna-instruments HI 95715 Manual de usuario Pagina 13