Hanna Instruments HI 96101 User Manual

Page 17

• When the beeper sounds briefly and the

LCD displays dashes, the meter is ready.
The blinking “ZERO” indicates that the
instrument needs to be zeroed first.

Note

: Pay attention that the selected range

is the one desired to run measurements.
If not, change the range following the
instructions from Range Selection.

pH MEASUREMENT

• Fill the cuvette with 10 mL of unreacted

sample, up to the mark, and replace the
cap.

• Place the cuvette into the cuvette holder

and ensure that the notch on the cap is
positioned securely into the groove.

• Press ZERO/CFM and the lamp, cuvette

and detector icons will appear on the
display, depending on the measurement
phase.

• After a few seconds, the display will

show “-0.0-”. The meter is now zeroed
and ready for measurement.

• Remove the cuvette and add 5 drops of

the HI 93710-0 Phenol Red Indicator.
Replace the cap and shake gently the
solution.

• Replace the cuvette into the cuvette holder

and ensure that the notch on the cap is
positioned securely into the groove.