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TROUBLESHOOTING
Problem
The meter
will not turn
on / the
LCD display
is blank.
Response
time is slow
Rapidly
Actuating
pH value
Action
Press
POWER
button for more
than 0.1 seconds.
Check whether the batteries are
correctly inserted.
Remove the batteries for one
minute and then reinstall them.
Replace the old batteries with
new ones.
Clean the probe by immersing
the electrode in tap water for 10-
15 minutes. Rinse thoroughly with
distilled water or use a general-
purpose electrode cleaner.
This is normal when the electrode
is exposed to air. The value will
stabilize when the electrode is
immersed in a solution.
13
Содержание SP-850062
Страница 1: ...Test Tube pH Pen SP 850062 SP 850063 SP 850065 SP 850066 SP 850067...
Страница 20: ...Rev 03 01 2019 20...