EC
500-en-G
B
_v2.7 12/16
7
C
ali
b
rati
on
-
p
H
(1, 2,
o
r 3
po
i
n
ts)
1.
P
lace the electrode
i
nto a buffer solut
i
on (4, 7, or 10).
P
ress and hold the
C
A
L
/
REC
A
LL
key
unt
i
l “
CA
L” appears
i
n the lower (temp.) d
i
splay. When do
i
ng a 2 or 3 po
i
nt cal
i
brat
i
on, cal
i
brate
w
i
th pH 7 buffer f
i
rst, then follow w
i
th pH 4 then the pH 10 buffer.
2. The
E
x
S
t
i
k
®
automat
i
cally recogn
i
zes the solut
i
on and cal
i
brates
i
tself to that value (the c
i
rcled
number on the L
CD
w
i
ll match the solut
i
on). Note that
i
f the solut
i
on
i
s more than 1 pH un
i
t off
from the L (4), M (7), or H (10) pH buffer, or
i
f the electrode slope
i
s low, the
E
x
S
t
i
k
®
w
i
ll
assume an error and abort the cal
i
brat
i
on (
‘
E
nd
’
w
i
ll be d
i
splayed, and the un
i
t w
i
ll return to
measure mode.)
3.
D
ur
i
ng cal
i
brat
i
on, the pH read
i
ng flashes on the ma
i
n d
i
splay.
4. When cal
i
brat
i
on
i
s complete, the
E
x
S
t
i
k
®
automat
i
cally d
i
splays “
SA
”, then “
E
nd” and returns
to normal operat
i
on mode.
5. The appropr
i
ate c
i
rcled
i
nd
i
cator (L, M, or H) appears on the L
CD
when a part
i
cular cal
i
brat
i
on
or ser
i
es of cal
i
brat
i
ons has been completed w
i
th
i
n one power on cycle. When the
E
x
S
t
i
k
®
i
s
turned off, the c
i
rcled
i
nd
i
cator conf
i
gurat
i
on and the cal
i
brat
i
on data w
i
ll be reta
i
ned.
6.
F
or a two or three po
i
nt cal
i
brat
i
on, repeat steps 1-4.
7.
S
ee
R
eset
C
ali
b
rati
on
D
ata to clear all cal
i
brat
i
on data from the meter.
C
A
L
R
emi
nd
er
D
is
p
lay
When
i
n pH measurement mode, a “
CA
L”
i
con w
i
ll appear after 15 on/off cycles of the meter w
i
thout
perform
i
ng a cal
i
brat
i
on. The
CA
L d
i
splay
i
s s
i
mply a rem
i
nder to cal
i
brate pH, and w
i
ll turn off when
the pH electrode
i
s recal
i
brated. The rem
i
nder does not affect funct
i
on
i
n any way.
R
E
N
E
W
D
is
p
lay
A
flash
i
ng
‘
R
E
N
E
W
’
warn
i
ng
i
nd
i
cates that the probe
i
s not perform
i
ng to expected spec
i
f
i
cat
i
ons. If
clean
i
ng and recal
i
brat
i
on does not cause the R
E
N
E
W
i
con to d
i
sappear, replace the probe (see
opt
i
onal accessor
i
es on the last page of th
i
s manual). The R
E
N
E
W d
i
splay appears as a result of
the pH electrode slope fall
i
ng below 70% of a nom
i
nal slope.
Meas
u
reme
n
t a
nd
D
is
p
lay
C
on
si
d
erati
on
s
If the un
i
t appears to be locked (d
i
splay frozen). It
i
s poss
i
ble that the
D
ata Hold mode has
been
i
nadvertently accessed by press
i
ng the MO
DE
/
H
O
L
D
button. (“HOL
D
” w
i
ll be d
i
splayed
i
n the bottom left of the L
CD
.)
S
i
mply press the MO
DE
/
H
O
L
D
button aga
i
n or turn the meter off
and then on.
F
or max
i
mum accuracy, allow suff
i
c
i
ent t
i
me for the temperature of the probe to reach the
temperature of the sample before cal
i
brat
i
ng. Th
i
s w
i
ll be
i
nd
i
cated by a stable temperature
read
i
ng on the d
i
splay.
R
eset
C
ali
b
rati
on
D
ata
F
ollow th
i
s procedure to clear all cal
i
brat
i
on data from the meter. Resett
i
ng the cal
i
brat
i
on data may
be necessary when new cal
i
brat
i
on solut
i
ons are used or accuracy of measurements
i
s
i
n quest
i
on.
1. Turn off the meter.
2.
P
ress and Hold the
C
al/Recall and Mode/Hold buttons.
3. Momentar
i
ly press the On/Off button, as soon as the d
i
splay comes on, release all 3
buttons.
4. The d
i
splay w
i
ll show “
dFL
t r
S
t” (default reset) and all of the cal
i
brat
i
on data w
i
ll be erased.
If “
dFL
t r
S
t” does not appear, retry the procedure.
5.
P
roceed to the cal
i
brat
i
on rout
i
ne for pH and
C
onduct
i
v
i
ty.
To Next Page
Loading...
Need help?
General
