ERROR DESCRIPTION
Error
Wrong pH buffer solution or the
recognition of calibration solution out
of range
Press
not stable during calibration.
During calibration, the measuring value
is not stable for ≥3min.
Electrode zero electric potential out of
range (<-60mV or >60mV)
Electrode slope out of range (<85%or
>110%)
pH measuring range out of range
(<0.00 pH or >14.00pH) 1 Series
( <-2.00 pH or >16.00pH ) 5 Series
DISPOSAL OF ELECTRONIC DEVICES
The electrical and electronic equipment marked with this symbol cannot be disposed of in
public landfills.
According to the UE Directive 2002/96/EC, the European users of electrical and electronic
equipment can return it to the dealer or manufacturer upon purchase of a new one.
The illegal disposal of electrical and electronic equipment is punished with an administrative fine.
Waterproof tester series
Contents
key when measuring value is
Checking
1.Check whether buffer solution is correct.
2.Check whether the meter connects the
electrode well.
3.Check whether the electrode is damaged.
Press
key when
1.Check whether there are bubbles in glass
bulb.
2.Replace with new electrode.
1.Check whether there are bubbles in glass
bulb.
2.Check whether pH buffer solution is correct.
3.Replace with new pH electrode.
1.Check whether the electrode is suspended.
2.Check whether the meter connects the
electrode well.
3.Check whether the electrode is damaged
Pocket Series 1-5 V1.0 ENG August 2017
icon appears
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