Hanna-instruments HI 95715 Manual do Utilizador Página 13

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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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