Hanna-instruments HI 93710 Instrukcja Użytkownika Pobierz pdf (Strona 34)

FREE CHLORINE MEASUREMENTFREE CHLORINE MEASUREMENT

FREE CHLORINE MEASUREMENT

I 9

• Fill the cuvet up to the mark with

10 mL of unreacted sample 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 ap-

pear on the display.

• Wait for a few seconds and the display will

show "-0.0-". Now the meter is zeroed and

ready for measurement.

• Remove the cuvet.

Powder reagents procedure

• Add the content of one packet of HI 93701 DPD

reagent. Replace the cap and shake gently.

• Reinsert the cuvet into the instrument.

• Press READ and the display will

show "SIP" during measure-

ment.

• The instrument directly displays concentration in mg/L of free

chlorine on the Liquid Crystal Display.

Liquid reagents procedure

• Add 3 drops of HI 93701A-F DPD1 indicator and 3 drops of

HI 93701B-F DPD1 buffer to another cuvet. Shake gently before

adding 10 mL of unreacted sample. Replace the cap and shake

gently again.

ZERO

Free Chlorine

10 mL

x 3 x 3

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 51 52

Brak uwag

Hanna-instruments HI 93710 Instrukcja Użytkownika Strona 34