E
C
500-en-G
B
_v2.7 12/16
2
I
n
tr
o
d
u
cti
on
C
ongratulat
i
ons on your purchase of the
E
x
S
t
i
k
®
EC
500 pH/
C
onduct
i
v
i
ty/Total
D
i
ssolved
S
ol
i
ds
(T
DS
) /
S
al
i
n
i
ty meter. W
i
th the
EC
500
’
s dynam
i
c cell-constant technology
i
t
i
s poss
i
ble to
measure a w
i
de range of
C
onduct
i
v
i
ty, T
DS
, and
S
al
i
n
i
ty w
i
th the same electrode.
C
areful use
and ma
i
ntenance w
i
ll prov
i
de years of rel
i
able serv
i
ce.
Po
w
e
ri
n
g t
h
e
E
x
S
ti
k
™
The
E
x
S
t
i
k
®
uses four (4)
C
R2032 L
i
th
i
um Ion
B
atter
i
es (
i
ncluded). If the batter
i
es are weak, the
‘
BA
T
’
i
nd
i
cator appears on the L
CD
.
P
ress the ON/O
FF
key to turn the
E
x
S
t
i
k
®
on or off. The auto
power off feature shuts the
E
x
S
t
i
k
®
off automat
i
cally after 10 m
i
nutes of
i
nact
i
v
i
ty to preserve battery
l
i
fe.
G
e
tti
n
g
S
t
a
rt
e
d
Remove the cap from the bottom of the
E
x
S
t
i
k to expose the pH electrode, reference junct
i
on
and conduct
i
v
i
ty electrodes.
B
efore the f
i
rst use or after storage, soak the electrode
i
n tap water or pH 4 buffer solut
i
on for
about 10 m
i
nutes.
Wh
i
te
KC
L crystals may be present
i
n the cap or on the electrode. Th
i
s
i
s to be expected
depend
i
ng on the length of t
i
me
i
n storage. These crystals w
i
ll d
i
ssolve wh
i
le soak
i
ng the
electrode or they can be r
i
nsed away w
i
th tap water.
F
or best results cal
i
brate w
i
th pH 7 buffer solut
i
on f
i
rst, then cal
i
brate w
i
th the buffer solut
i
on
closest to the expected pH value of the solut
i
on or mater
i
al to be tested.
To preserve the pH electrode l
i
fe keep the sponge
i
n the protect
i
ve cap soaked w
i
th tap water
or pH 4 buffer solut
i
on.
F
or best results, cal
i
brate for conduct
i
v
i
ty w
i
th a standard
i
n the expected range of the sample.
F
or max
i
mum accuracy cal
i
brate from low conduct
i
v
i
ty value standards to h
i
gh value
standards.
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