Hanna Instruments HI 93710 - Manual (Page 40)

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• Nothing is added to the third cuvet.
• Place the ZERO1 sample into the holder
and ensure that the notch on the cap
is positioned securely into the groove.
• Press ZERO; "SIP" will appear during measurement, then the
instrument will display "ZER2".
• Remove the ZERO1 sample and insert
the ZERO2 sample into the instru-
ment.
• Press ZERO again; "SIP" will appear during measurement, then
the instrument will display the level of Magnesium hardness in
ppm CaCO
3
(together with "n").
• Remove the ZERO2 sample and insert
the third cuvet into the instrument.
• Press READ; "SIP" will appear during measurement, then the
instrument will display the concentration of Calcium in ppm CaCO
3
(together with "C").
• Press READ again; "SIP" will appear during measurement and
the instrument will display the total hardness concentration in
ppm CaCO
3
(together with "t").
ZERO
ZERO2
ZERO
3rd CUVET
Hardness
ZERO1