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DO210-en-GB_v1.2 11/14
3
Getting
Started
Note:
The
dissolved
oxygen
probe
assembly
may
be
shipped
from
the
factory
dry.
If
the
probe
does
not
contain
electrolyte
solution,
refer
to
the
Electrolyte
Replacement
section
below
for
information
on
adding
the
electrolyte
solution
prior
to
initial
use.
Filling
the
Electrolyte
Container
Prior
to
Initial
Use
1.
Unscrew
and
remove
the
electrolyte
container
from
the
tip
of
the
probe.
2.
Fill
the
electrolyte
container
with
new
electrolyte.
3.
Screw
the
electrolyte
container
back
onto
the
electrode
holder
and
probe
handle.
Excess
Electrolyte
may
be
forced
out
through
the
threads.
Wipe
clean.
4.
Lightly
tap
the
probe
to
remove
air
bubbles.
Calibration
For
first
time
use
or
after
long
periods
of
non
‐
use,
calibrate
the
instrument
using
the
procedure
below.
The
procedure
should
be
performed
in
an
open,
well
‐
ventilated
area.
1.
Connect
the
oxygen
probe
plug
to
the
probe
input
socket.
2.
Switch
ON
the
meter
by
pressing
the
Power/ESC
button.
3.
The
lower
display
should
indicate
the
%O2
unit
symbol
and
a
temperature
value.
4.
The
upper
display
will
begin
fluctuating.
Wait
approximately
3
minutes
for
the
upper
display
to
stabilize.
5.
Press
the
HOLD
button
and
the
display
will
show
the
HOLD
icon.
6.
Press
the
REC
button.
The
display
will
show
"CAL"
flashing
and
the
meter
display
will
begin
counting
down
from
30
to
zero;
the
meter
will
then
display
the
END
icon.
7.
The
upper
display
will
show
a
value
approximately
20.9
or
20.8
(typical
concentration
of
oxygen
in
air).
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