Hanna-instruments HI 93710 Manual do Utilizador descarregar pdf (Página 12)

OFF

HI 93725

pH & Total Hardness

REQUIRED REAGENTS

Code Description Quantity

HI 93710-0 pH Phenol red 5 drops

HI 93719A-0 Ca & Mg indicator 0.5 mL

HI 93719B-0 Alkali solution 0.5 mL

HI 93719C-0 EDTA solution 1 drop

HI 93719D-0 EGTA solution 1 drop

REAGENT SETS

HI 93710-01 Reagents for 100 pH tests

HI 93710-03 Reagents for 300 pH tests

HI 93719-01 Reagents for 100 hardness tests

HI 93719-03 Reagents for 300 hardness tests

For other accessories see page 48.

MEASUREMENT PROCEDURE

• Turn the meter on by pressing ON/OFF.

• The meter will automatically default to pH mea-

surement mode.

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

pH MEASUREMENTS

In order to perform pH measurements, follow the procedure on

page 46.

HARDNESS MEASUREMENTS

• Press pH/HARDNESS to select the Hardness range (the LCD

displays "ZER1").

• Follow the procedure on page 39.

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Hanna-instruments HI 93710 Manual do Utilizador Página 12