Compl ete Kit
Things to Know B ef ore U se
1) Be careful about the glass tip of the probe. It can break if being contacted by external force. If broken, the probe
needs to be replaced.
2) Things needed in addition to what’s in the box:
a) Distilled or deionized water (8-16oz) for rinsing the probe after each test
b) Tissue paper for drying the probe
3) For PH60 and PH60F testers:
a) A few drops of water are added to the probe cap to keep the pH electrode in an activated state before the
tester leaves factory. Generally, users can start using the tester directly. If the measuring response is
slow, users can soak the pH electrode for 30 minutes in the 3M KCL storage solution (fill to the fill-line)
before using it; if the electrode is dry for a long time (> 1 month), the pH electrode responds slowly, You
can soak the pH electrode for 8 hours in the storage solution before using.
b) When the tester is not in use, we recommend adding one to two drops of tap water to the probe cap, and
close the cap (be careful not to add too much water). This way, the pH probe’s sensitivity can be maintained
and users can start using the tester right away next time.
c) Do not soak the pH electrode in purified (e.g. distilled/deionized) water for a long time, which will make the
electrode response slow. If this happens, soak the pH electrode in 3M KCl solution for 3~5 hours, and then
re-calibrate it before using.
d) The storage solution is 3M KCL (SKU: AI1107), and the tester kit comes with a bottle of 10mL storage
solution (can be used repeatedly). If it is contaminated, replace it with a new one. Please do not use other
brands’ storage solutions as they may contain other chemicals that can cause damage to the electrodes.
4) For PH60S Spear pH Tester:
◼ NEVER store the spear probe in a dry condition because permanent damage CAN be caused. The spear probe
should always be stored in the 3M KCL soaking solution.
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