Hanna Instruments HI 93710 - Manual (Page 12)

12
ON
OFF
pH
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.