Hanna-instruments HI 83225 Manuale Utente Scaricare il pdf (Pagina 43)

• Press the Zero key. The display will show “-0.0-” when the meter is zeroed and ready for measurement.

• Remove the cuvette and add the content of one packet

of HI 93750B-0 reagent. Replace the cap and gently

mix for one minute by slowly turning the cuvette upside

down.

• Reinsert the cuvette into the instrument.

• Press Timer and the display will show the countdown prior to the measurement or, alternatively, wait

for 2 minutes and press Read. When the timer ends the meter will perform the reading. The instrument

displays the results in mg/L (ppm) of potassium (K).

• Press or to access the second level functions.

• Press the Chem Frm key to convert the result in mg/L of potassium oxide (K

O).

• Press or to return to the measurement screen.

• For ULTRA HIGH RANGE samples: follow the procedure described at page 44.

Potassium HR

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Hanna-instruments HI 83225 Manuale Utente Pagina 43