Yokogawa europe b.v – Yokogawa EXA PH202 2-Wire pH/ORP Analyzer Manuel d'utilisation
Page 11

IM 12B6C3-F-E
Spécifications 2-5
Stamp Company :
Stamp Certification Institute :
Signature :
Remarks : Model EXA PH202S
Title : Control Drawing PH202S Cenelec
Number : FF1-PH202S-00
Page : 2 of 10
Revision : 5.4
YOKOGAWA
EUROPE
B.V.
Date : 01/07/2004
〈
Sens
or(
s)
ar
e
of
a
passiv
e
type
to
be
regarded
as
’s
imple
apparat
us’
, devices
w
hich
com
ply
wit
h c
lause
1.
3 of
the E
N
50014.
〈
Elec
tr
ical
data
of
the
E
XA
PH
202S
-F
&
P
H202S
-P
:
-
Supply
and
output
cir
cuit
::
Max
imum
input
volt
age
U
i=24
V
or
M
axim
um
input
volt
age
Ui=17.
5
V
Max
imum
input
cur
rent
Ii=250 m
A
M
axim
um
input
cur
rent
Ii=380
mA
Max
imum
input
power
P
i=1.2
W
M
axim
um
input
power
Pi=5.
32 W
Ef
fec
tiv
e int
ernal c
apacit
ance
Ci=737
pF;
Ef
fec
tiv
e int
ernal
induct
ance Li=2.
6
µH
.
-
Sens
or
input
cir
cuit:
Max
imum
out
put
v
oltage
Uo=14.
4V;
Maxim
um
output
c
urr
ent
Io=32.
3
mA
Max
imum
allow
ed
ext
ernal
capac
itanc
e C
o=600 nF
Max
imum
allow
ed
ext
ernal
induct
ance
Lo=36 m
H
〈
Any
I.S
. inter
fac
e m
ay be
used
that
meets
the f
ollowi
ng r
equirem
ents
:
Uo
≤
24 V
or
Uo
≤ 17.
5 V
Io
≤ 250
mA
Io
≤
380mA
Po
≤ 1
.2
W
P
o
≤
5.32
W
Ca
?
737 pF
+ C
cable;
La
?
2.6
µH
+ Lc
able
S
afe
area
Hazar
dous
area
Zone 1
Zone 0
or
1
Safe a
rea
App
ara
tus
I.S.
interfa
ce
I.S.
certifie
d
Termin
ator
Sens
or
C
on
ne
ct
io
ns
Ui
= 2
4
V
or
Ui
= 1
7,
5
V
Ii
= 2
50
m
A
Ii
= 3
80
m
A
Pi
=
1,
2
W
P
i
= 5
,3
2
W
E
Ex
ib
[ia]
IIC
Ce
rti
fica
te
n
o.
0
0A
TEX
106
8
X
T4
for
am
bi
en
t te
mp
.
≤
55
ϒ
C
T6
for
am
bi
en
t te
m
p.
≤
40
ϒ
C
EXA
PH2
02
S
-F
& PH20
2S
-P