2. Usage and Maintenance
2.1 Polymer reference electrode is a kind of high quality reference electrode with the feature of
non-diaphragm, hard to be contaminated, resistant to compression and organic solution.
2.2 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.
2.3 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 distilled or 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.
2.4 After long time exposure in air, Polymer electrolyte will cause shrinkage. It will not happen in
measurement status. The electrode must be soaked in 3M KCl solution for storage. After a
long time soaking, there can be some white crystals dissolving out from 3M KCl solution, this
is normal. Just simply rinse it off and keep using the electrode.
2.5 After 1-year of use, we recommend replacing the electrode to keep the best accuracy.
3. Limited Warranty
We warrant this instrument 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 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 Ohio 43229
Tel: 1-614-285-3080
Email: info@aperainst.com
Website: www.aperainst.com
