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Complet e Kit
Things to Know Bef ore Use
1)
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 ORP 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 ORP electrode responds slowly, You can soak the ORP electrode for 8 hours in
the storage solution before using.
2)
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 ORP probe’s sensitivity can be maintained and users can
start using the tester right away next time.
3)
Do not soak the ORP electrode in purified (e.g. distilled/deionized) water for a long time, which will make the electrode
response slow. If this happens, soak the ORP electrode in 3M KCl solution for 3~5 hours, and then re-calibrate it
before using.
4)
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.
5)
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
ORP M easurement
ORP stands for Oxidation-Reduction Potential, measured in mV.
It’s also called redox. ORP is a measure of the
cleanliness of water & its ability to break down contaminants. Rinse the probe in distilled water and dry it. Dip the probe
in sample solution, shake for a few seconds, and allow it to stand still. Get the ORP readings after appears and
stays on screen.
Graph-2
