Yokogawa EXA PH202 2-Wire pH/ORP Analyzer - Manuel (Page 10)

IM 12B6C3-F-E
2-4 Spécifications
Stamp Company :
Stamp Certification Institute :
Signature :
Remarks : Model EXA PH202S
Title : Control Drawing PH202S Cenelec Number : FF1-PH202S-00
Page : 1 of 10 Revision : 5.4
E
XA
P
H20
2S
(
pH
/O
R
P
-t
ra
ns
m
itt
er
)
Safe
ar
ea
U
o
=
31.
5
V
ol
t D
C
Io
=
1
00
m
A
Po
=
1.
2
Wa
tt
E
EX
ib
C
er
tif
ie
d
R
ep
ea
te
r
Po
w
er
S
up
pl
y
(HA
R
T
C
om
pa
tib
le
)
Ou
tput
Su
pp
ly
SE
N
S
O
R
(S)
ter
m
in
al
s
11
-19
+ _ G
S
E
N
SO
R
(S
)
te
rm
in
al
s
11
-1
9
Z
one
0
or
1
Z
one
1
Haz
ar
do
us
a
re
a
Safe
ar
ea
+ _ G
Pr
ot
ect
iv
e
ea
rt
h
Pr
ot
ect
iv
e
e
ar
th
In
tr
in
si
ca
lly
s
af
e
des
ig
n
C
EN
ELE
C
s
tan
da
rd
EE
X
ib
[i
a]
IIC
: T
4
for
am
bi
ent
temp.
<
55¡C
T
6
for
am
bi
ent
temp.
<
40¡C
C
er
tifi
cat
e
nr.
0
0A
TE
X1
06
8
X
EX
A
PH2
02S
+ _
Lo
ad
R
es
is
ta
nc
e
E
E
X
ib
C
er
tif
ie
d
sa
fe
ty
b
ar
ri
er
o
r p
ow
er
w
ith
R
in
t=
30
0
Ω
Io
=
1
00
m
A
U
o
=
31.
5
V
ol
t D
C
Z
one
0
or
1
Z
on
e
1
Haz
ar
do
us
a
re
a
Pr
ot
ect
iv
e
e
ar
th
+ _
24
vol
ts
DC
N
om
ina
l
S
up
pl
y
V
ol
ta
ge.
Int
ri
ns
ic
al
ly
s
af
e
de
si
gn
C
E
NE
LEC
s
tandar
d
E
EX
ib
[i
a]
II
C
: T4
for
ambien
t tem
p.
<
5
5¡
C
T6
fo
r a
mb
ien
t t
em
p.
<
40¡
C
C
ert
if
icat
e
nr.
00AT
EX
1068
X
(HA
R
T
com
pa
tibl
e)
(pH/
OR
P
-t
ran
smi
tter)
•
Sensor(s) are of a passive type to be regarded as
simple apparatus
, devices which comply with clause 1.3 of the
EN 50014.
•
Electrical data of the EXAPH202S.
- Supply and output circuit (terminals + and -): Maximum input voltage U
i
= 31.5 V.
Maximum input current
I i
= 100
mA.
Maximum input power P
i
= 1.2 W.
Effective internal capacitance C
i
= 22
nF.
Effective internal inductance L
i
= 22
µH.
- Sensor input circuit (terminals 11 through 19): Maximum output voltage U
o
= 14.4 V.
Maximum output current I
o
= 32.3 mA.
Maximum allowed external capacitance C
o
= 600
nF.
Maximum allowed external inductance
L o
= 36
mH.
•
Barriers and power supply specification must not exceed the maximum values as shown in the diagram above. These safety descriptions cover most of the commonly used industry standard barriers, isolators and power supplies.
•
The Hand Held Communicator must be of a ATEX certified intrinsically safe type in case it is used on the intrinsically safe circuit in the hazardous area or of a ATEX certified non-incendive type in case it is used in the non-incendive circuit in the hazardous area.
YOKOGAWA
EUROPE
B.V.
Date : 01/07/2004