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

IM 12B07D02-01E
Introduction 1-1
1. INTRODUCTION AND GENERAL DESCRIPTION
The Yokogawa EXA 202 is a 2-wire transmitter designed for industrial process monitoring, measurement
and control applications. This user’s manual contains the information needed to install, set up, operate
and maintain the unit correctly. This manual also includes a basic troubleshooting guide to answer typi-
cal user questions.
Yokogawa can not be responsible for the performance of the EXA analyzer if these instructions are not
followed.
1-1. Instrument check
Upon delivery, unpack the instrument
carefully and inspect it to ensure that
it was not damaged during shipment.
If damage is found, retain the original
packing materials (including the outer
box) and then immediately notify the
carrier and the relevant Yokogawa
sales office.
Make sure the model number on the
textplate affixed to the side of the
instrument agrees with your order.
Examples of nameplates are shown.
Figure 1-1. Nameplate
SEE CONTROL DRAWING
IP65
Zone 0 Ex ia IIC T6 for Ta:40 ˚C
Zone 0 Ex ia IIC T4
24V DC
No.
Made in Japan
PH202S-U
STYLE
AMB.TEMP.
OUTPUT
SUPPLY
SUFFIX
MODEL
PH/ORP TRANSMITTER
N200
T4
AND AEx ia IIC
IS CL I, DIV 1, GP ABCD
No. IECEx KEM 06.0052X
-10  55°C
4 20mA DC
Type 4X
Install per CONTROL DRAWING
IKE024-A10 P.4-1 to P.4-2
No. IECEx KEM 06.0052X
N200
PH/ORP TRANSMITTER
MODEL
SUFFIX
SUPPLY
OUTPUT
AMB.TEMP.
STYLE
PH202S-E
Made in Japan Tokyo 180-8750 JAPAN
No.
24V DC
SEE CONTROL DRAWING
IP65
Zone 0 Ex ia IIC T6 for Ta:40 ˚C
Zone 0 Ex ia IIC T4
SEE CONTROL DRAWING
Ex ia IIC T6 for Ta:40 ˚C
Ex ia IIC T4
No. KEMA 06ATEX0218 X
II 1G
-10  55°C
4 20mA DC
IP65
0344
No. IECEx KEM 06.0052X
NI CL I, DIV 2, GP ABCD AND
CL I, ZN 2, GP IIC
T4
No. KEMA 06ATEX0219
EEx nA[nL] IIC T4
EEx nA[nL] IIC T6 for Ta:40
˚C
IP65
SEE CONTROL DRAWING
Ex nA[nL] IIC T4
Ex nA[nL] IIC T6 for Ta:40
˚C
IP65
SEE CONTROL DRAWING
II 3 G
PH202S-N
Type 4X
Type 3S
Install per CONTROL DRAWING
IKE024-A10 P.4-3 to P.4-4
Ex nA[nL] IIC
NI CL I, DIV 2, GP ABCD
T4
T6 for Ta:40 ˚C
IP65
SEE CONTROL DRAWING
LR81741
WARNING
Substitution of
components may
impair suitability
for class I, Division 2. AVERTISSEMENT
La substitution de composants
peut rendre ce materiel
inacceptable pour les
emplacements de
Classe I, Division 2.
R
N200
MODEL
SUFFIX
SUPPLY
OUTPUT
AMB.TEMP.
STYLE
PH202
-10  55°C
4 20mA DC
Made in Japan Tokyo 180-8750 JAPAN
No.
24V DC
PH/ORP TRANSMITTER
mA
SEE CONTROL DRAWING
IP65
Zone 0 Ex ia IIC T6 for Ta:40 ˚C
Zone 0 Ex ia IIC T4
24V DC
No.
Made in Japan
PH202S-C
STYLE
AMB.TEMP.
OUTPUT
SUPPLY
SUFFIX
MODEL
PH/ORP TRANSMITTER
N200
No. IECEx KEM 06.0052X
IP65 Type 3S
-10  55°C
4 20mA DC
SEE CONTROL DRAWING
Ex ia IIC T6 for Ta:40 ˚C
Ex ia IIC T4
CL I, DIV 1, GP ABCD
LR81741 C
intrinsic safety
components may impair
Substitution of
WARNING
intrinseque.
peut compromeltre la securite
La substitution de composants
AVERTISSEMENT
R