Yokogawa EXA PH202 2-Wire pH/ORP Analyzer - Manuel (Page 18)

IM 12B6C3-F-E
2-12 Spécifications
Stamp Company :
Stamp Certification Institute :
Signature :
Remarks : Model EXA PH202S-B & PH202S-D No revision to drawing without prior FM Approval
Title : FM Control Drawing PH202S-B & PH202S-D (Non-incendive Entity concept) Number : FF1-PH202S-00
Page : 10 of 10 Revision : 5.4
YOKOGAWA
EUROPE
B.V.
Date : 01/07/2004
〈
S
en
so
r(
s)
a
re
o
f a
p
as
si
ve
ty
pe
to
b
e
re
ga
rd
ed
a
s
’s
im
pl
e
ap
pa
ra
tu
s’
, d
ev
ic
es
w
hi
ch
ne
ith
er
s
to
re
n
or
ge
ne
ra
te
v
ol
ta
ge
s o
ve
r
1.
5 V
, c
ur
re
nt
s
ov
er
0
.1
A
, p
ow
er
o
ve
r 2
5
m
W
o
r
en
er
gy
o
ve
r
20
µ
J,
or
a
re
F
M
A
pp
ro
va
ls
e
nt
ity
ap
pr
ov
ed
a
nd
m
ee
t c
on
ne
ct
io
n r
eq
ui
re
m
en
ts
.
〈
E
le
ct
ric
al
d
at
a
of
th
e
E
X
A
P
H
20
2S
-B
&
P
H
20
2S
-D
:
-
S
up
pl
y c
irc
ui
t:
V
m
ax
=
32
V
; P
i=
1.
2
W
; C
i=
7
37
p
F
; L
i=
2
.6
H
-
S
en
so
r
in
pu
t c
ircu
it:
V
t=
14
.4
V
; I
t=
32
.3
m
A
; C
a=
60
0
nF
; L
a=
36
m
H
W
he
n
in
st
al
lin
g
th
is
e
qu
ip
m
en
t, f
ol
lo
w
th
e
m
an
uf
ac
tu
re
rs
in
sta
lla
tio
n d
ra
w
in
g.
In
st
al
la
tio
n
sh
al
l b
e
in
a
cc
or
da
nc
e
w
ith
A
rt
ic
le
5
01
.4
(B
)
of
th
e
N
at
io
na
l E
le
ct
ric
al
C
od
e
(A
N
S
I/N
FP
A
79
).
N
on
in
ce
nd
iv
e
fie
ld
w
iri
ng
m
ay
b
e i
ns
ta
lle
d
in
a
cc
or
da
nc
e w
ith
A
rt
ic
le
5
01
.4
(B
)(
3)
〈
G
ro
un
di
ng
s
ha
ll b
e
in
a
cc
or
da
nc
e
w
ith
A
rt
ic
le
2
50
o
f t
he
N
at
io
na
l E
le
ct
ric
al
c
od
e.
W
A
R
N
IN
G
-
Su
bs
titu
tion
of
c
om
pon
en
ts
m
ay
im
pai
r
su
itab
ili
ty
for
D
iv
isi
on
2.
-
D
o
no
t r
em
ov
e
or
r
ep
la
ce
w
hi
le
ci
rcu
it
is
liv
e
un
le
ss
a
re
a
is
kno
w
to
be
n
on
-h
az
ar
do
us
-
Ex
pl
osi
on
Haz
ar
d
—
D
o
no
t d
is
co
nn
e
ct
e
qu
ip
m
en
t u
nl
es
s
ar
ea
is
kno
w
to
be
n
on
-h
az
ar
do
us
-
D
o
no
t r
es
et
c
irc
ui
t b
re
ak
er
u
nl
es
s
po
w
er
h
as
b
ee
n
rem
ov
ed
fr
om
the
e
qu
ip
m
en
t o
r t
he
a
re
a
is
kn
ow
to
b
e
no
n
-
ha
zar
do
us
U
nc
la
ss
ifi
ed
L
oc
at
io
n
C
la
ss
ifi
ed
L
oc
at
io
n
D
iv
is
io
n
2
F
M
A
pp
rov
ed
P
ow
er
S
upp
ly
V
oc
¡Ü
3
2
V
D
C
F
M
A
pp
rov
ed
T
er
mi
nat
or
R
=
90
..10
0
C
=
0.
.2
,2
F
E
X
A
P
H
202
S
-B
&
P
H2
02
S
-D
S
en
so
r
C
on
ne
ct
ion
s
Ma
x.
c
abl
el
en
gt
h:
60
mt
r.
C
ab
le
di
a.
: 3
12
mm
.
F M
Cla
ss I
, DIV.
2
, G
rou
p
AB
CD
T 3B
for
am
bi
ent
tem
p.
≤
5
5
ϒC
T 4
fo
r
amb
ie
nt
te
m
p.
≤
40
ϒ
C