Ii ) – Yokogawa EJX438A User Manual
Page 4
<2. Handling Cautions>
ATEX Certification
(1) Technical Data
a. ATEX Intrinsically Safe Type
Caution for ATEX Intrinsically safe type.
Note 1. EJX/EJA-E series pressure transmitters
with optional code /KS26 for potentially
explosive atmospheres:
• No. KEMA 04ATEX1116 X
• Applicable Standard: EN 60079-0:2009,
EN 60079-11:2007/EN 60079-11:2012,
EN 60079-26:2007, EN 60079-27:2008,
EN 61241-11:2006
Note 2. Ratings
Type of Protection and Marking Code:
Ex ia IIC/IIB T4 Ga
Ex ia IIIC T85°C T100°C T120°C Db
Group: II
Category: 1G, 2D
Ambient Temperature for EPL Ga: –40 to 60°C
Ambient Temperature for EPL Db: –30* to 60°C
* –15°C when /HE is specified.
Maximum Process Temperature (Tp.): 120°C
Maximum Surface Temperature for EPL Db.
T85°C (Tp.: 80°C)
T100°C (Tp.: 100°C)
T120°C (Tp.: 120°C)
Ambient Humidity:
0 to 100% (No condensation)
Degree of Protection of the Enclosure:
IP66 / IP67
Electrical Data
• When combined with Trapezoidal and
Rectangular output characteristic FISCO
model IIC barrier
Ui = 17.5 V, Ii = 380 mA, Pi = 5.32 W,
Ci = 3.52 nF, Li = 0 μH
• When combined with Linear characteristic
barrier
Ui = 24 V, Ii = 250 mA, Pi = 1.2 W,
Ci = 3.52 nF, Li = 0 μH
• When combined with Trapezoidal or
Rectangular output characteristic FISCO
model IIB barrier
Ui = 17.5 V, Ii = 460 mA, Pi = 5.32 W,
Ci = 3.52 nF, Li = 0 μH
( II )
MODEL: Specified model code.
STYLE: Style code.
SUFFIX: Specified suffix code.
SUPPLY: Supply voltage.
OUTPUT: Output signal.
MWP: Maximum working pressure.
CAL RNG: Specified calibration range.
NO.: Serial number and year of production*
1
.
TOKYO 180-8750 JAPAN:
The manufacturer name and the address*
2
.
*1: The first digit in the final three numbers of the serial
number appearing after “NO.” on the nameplate
indicates the year of production. The following is an
example of a serial number for a product that was
produced in 2010:
The year 2010
91K819857 032
*2: “180-8750” is a zip code which represents the
following address.
2-9-32 Nakacho, Musashino-shi, Tokyo Japan