User Guide

ACCESSORIES

pH CALIBRATION SOLUTIONS

HI 70004P pH 4.01 buffer, 20 mL sachet (25 pcs)

HI 70007P pH 7.01 buffer, 20 mL sachet (25 pcs)

HI 70010P pH 10.01 buffer, 20 mL sachet (25 pcs)

HI 7004L pH 4.01 buffer, 500 mL bottle

HI 7006L pH 6.86 buffer, 500 mL bottle

HI 7007L pH 7.01 buffer, 500 mL bottle

HI 7009L pH 9.18 buffer, 500 mL bottle

HI 7010L pH 10.01 buffer, 500 mL bottle

ELECTRODE STORAGE SOLUTION

HI 70300L Storage solution, 460 mL bottle

ELECTRODE CLEANING SOLUTIONS

HI 70000P Electrode Cleaning solution, 20 mL sachet (25 pcs)

HI 7061L General Cleaning solution, 460 mL bottle

HI 7073L Protein Cleaning solution, 460 mL bottle

HI 7074L Inorganic Cleaning solution, 460 mL bottle

HI 7077L Oil & Fat Cleaning solution, 460 mL bottle

REFILL ELECTROLYTE SOLUTIONS

HI 7071 3.5M KCl + AgCl Electrolyte, 50 mL (4 pcs)

HI 7072 1M KNO

Electrolyte, 50 mL (4 pcs)

HI 7082 3.5M KCl Electrolyte, for double junction electrodes, 50

mL (4 pcs)

• Dry Membrane/Junction: Soak in Storage Solution HI 70300

for at least 1 hour.

• Drifting: Soak the electrode tip in warm Hanna Solution HI

7082 for 1 hour, then flush tip with distilled water. Refill with

fresh HI 7071 for single junction electrodes and HI 7082 for

double junction electrodes.

• Low Slope: Refer to the cleaning procedure above.

• No Slope: Check the electrode for cracks in glass stem or bulb

and replace the electrode.

• Slow Response/Excessive Drift: Soak the tip in Hanna Solu-

tion HI 7061 for 30 minutes, rinse thoroughly in distilled water

and then follow the Cleaning Procedure above.