Yokogawa EXA PH202 2-Wire pH/ORP Analyzer - Manuel (Page 13)

IM 12B6C3-F-E
Spécifications 2-7
Stamp Company :
Stamp Certification Institute :
Signature :
Remarks : Model EXA PH202S
Title : Installation Drawing PH202S CSA Number : FF1-PH202S-00
Page : 4 of 10 Revision : 5.4
YOKOGAWA
EUROPE
B.V.
Date : 01/07/2004
〈
Sens
or(
s)
ar
e a
ther
m
ocouple,
R
TD’
s,
pas
siv
e r
esis
tiv
e s
wit
ch
devic
es,
o
r
is
CS
A
entit
y
approv
ed and
meet
connec
tion
requir
ement
s.
〈
Elec
tr
ical
data
of
the
E
XA
PH
202S
-F
&
P
H202S
-P
:
-
Supply
and
output
cir
cu
it:
:
Max
imum
input
volt
age
V
max
=24
V
or
M
axim
um
input
volt
age
Vm
ax=17.
5
V
Max
imum
input
cur
rent
Imax
=250 m
A
M
axim
um
input
cur
rent
Imax=380
mA
Max
imum
input
power
P
max
=1.2
W
M
axim
um
input
power
Pm
ax=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
Voc
=14.4V
; Max
imum
out
put
cur
rent
Isc
=32.3 m
A
Max
imum
allow
ed
ext
ernal
capac
itanc
e C
a=600 nF
Max
imum
allow
ed
ext
ernal
induct
ance
La=36 m
H
〈
Any
C
SA
appr
oved
I.S
. inter
fac
e m
ay be
used
that
meets
the f
ollowing
requirem
ents
:
Vm
ax
≤
24 V
or
V
max
≤
17.
5 V
Im
ax
≤
250 m
A
Imax
≤
380m
A
Pm
ax
≤
1.2
W
P
max
≤
5.32 W
Ca
?
737 pF
+ C
cable;
La
?
2.6
µH
+ Lc
able
Ins
tallat
ion s
hould be in
acc
ordanc
e w
ith
Canadian
Elec
tr
ical
Code,
P
art
I or
C
EC
, Par
t I.
Max
imum
s
afe
area v
oltage
should
not
exc
eed 250
Vr
ms
.
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
EXA
PH2
02
S
-F
& PH20
2S
-P
Sens
or
C
on
ne
ct
io
ns
V m ax
=
2
4
V
or
V
m
ax
=
17
,5
V
I max
=
25
0
mA
I m
ax
=
3
80
m
A
P m ax
=
1
,2
W
P
m
ax
= 5
,3
2
W
CS
A
Ex
ia
Cla
ss I
, DIV
. 1,
Gro
up
C&
D
T3
C f
or
am
bi
en
t te
mp
.
≤
55
ϒ
C