TB400-en-GB_V1.3 8/16
5
7.
Gently
shake
the
100
NTU
test
solution
bottle,
Line
up
the
white
mark
on
the
bottle
and
insert
it
into
the
test
chamber
and
close
and
lock
the
cover.
8.
Momentarily
press
the
"CAL"
button.
The
LCD
will
flash
CAL
for
10
seconds.
9.
When
calibration
is
complete
the
LCD
will
return
to
normal
operating
mode.
NOTE:
If
the
following
error
message
appears
"Error
cannot
be
calibrated..."
check
the
value
of
the
standard
solution.
If
error
message
still
appears
complete
the
"Calibration
Clear"
procedure.
CAL
100
ntu
www.
.com
1.800.561.8187