2. Use and Maintenance
2.1 Prior to measurement, remove the rubber plug to maintain pressure of the reference solution,
keep consistent flow rate of reference solution and stable potentials of junction.
2.2 After a period of usage, the reference solution will run low. Whenever the level falls to 1/2
height of the electrode, add 3M KCL solution to the refilling hole by using syringe or pipette.
2.3 The connector of the electrode should be kept clean and dry. If contaminated, please clean
it with medical cotton and absolute alcohol and blow dry to prevent the short circuit of the
electrode and slow reaction of electrode.
2.4 When not in use, the electrode measuring tip should be soaked in the soaking bottle
containing storage solution to keep the membrane hydrated and junction unblocked. When
measuring, please unscrew the bottle cap, pull out the electrode and rinse it with deionized
water. After using, please put the electrode back into the bottle and screw tight the cap. Clean
the bottle and replace the storage solution if the storage solution gets turbid and mildewed.
The electrode should never be soaked in pure water or buffer solution for long.
2.5 Please avoid measuring dehydrated medium like strong acid or alkaline solution, absolute
ethyl alcohol and concentrated sulfuric acid. In case of measuring such solution, please try
to reduce the immersion time and clean it carefully after use.
2.6 After 1-year of use, we recommend replace the electrode for the best accuracy.
3. Limited Warranty
We warrant this electrode to be free from defects in material and workmanship and agree to
repair or replace free of charge, at option of APERA INSTRUMENTS, LLC, any malfunctioned
or damaged product attributable to responsibility of APERA INSTRUMENTS, LLC for a period
of SIX MONTHS from the delivery.
This limited warranty does not cover any damages due to:
Transportation, storage, improper use, failure to follow the product instructions or to perform any
preventive maintenance, modifications, combination or use with any products, materials,
processes, systems or other matter not provided or authorized in writing by us, unauthorized
repair, normal wear and tear, or external causes such as accidents, abuse, or other actions or
events beyond our reasonable control.
APERA INSTRUMENTS, LLC
Address: 6656 Busch Blvd, Columbus, OH 43229 Phone: 1-614-285-3080
