Yokogawa EJA115 - Manual (Page 5)

( IV ) for /KN26
c. ATEX Type of Protection “n”
Model EJA Series differential, gauge, and absolute
pressure transmitters with optional code /KN26.
WARNING
When using a power supply not having a
nonincendive circuit, please pay attention not to
ignite in the surrounding flammable atmosphere.
In such a case, we recommend using wiring
metal conduit in order to prevent the ignition.
WARNING
• Electrostatic charge may cause an explosion
hazard. Avoid any action that cause the gen-
eration of electrostatic charge, such as rubbing
with a dry cloth on coating face of the product.
• Applicable standard: EN 60079-0:2009, EN60079-
15:2005
• Type of Protection and Marking Code:
Ex nL IIC T4 Gc
• Group: II
• Category: 3G
• Ambient Temperature: –30* to 60
°
C
*–15
°
C when /HE is specified
• Ambient humidity: 0 to 100%RH (No condensation)
• Enclosure: IP67
Note 1. Electrical Data
Ui = 32 Vdc
Ci = 3.52 nF
Li = 0
µ
H
Note 2. Installation
• All wiring shall comply with local installation
requirements. (refer to the installation diagram)
Safe Area
Hazardous Area
F0208.EPS
Terminator
Terminator
Field Instruments
EJA
Pressure
Transmitter
Field Instruments
Associated
Apparatus
ϩ
Ϫ
ϩ
Ϫ
ϩ
Ϫ
Vmax = 32 Vdc
Ci = 3.52 nF
Li = 0
␮ H
Note 3. Maintenance and Repair
• The instrument modification or parts replacement by
other than authorized representative of Yokogawa
Electric Corporation is prohibited and will void
Type of Protection “n”.
(V)
᭹ Tag plate for flameproof type
᭹ Tag plate for flameproof, intrinsically safe type,
type n protection, and Dust (for /KU22)
F0298.EPS
D
T65 Њ C (Tamb.: 40 Њ C), T85 Њ C (Tamb.: 60 Њ C),and T105 Њ C (Tamb.: 80 Њ C)
AFTER DE-ENERGIZING, DELAY 10 MINUTES BEFORE OPENING. WHEN THE
AMBIENT TEMP. Ն 70 Њ C, USE THE HEAT-RESISTING CABLES Ն 90 Њ C. SEE USER'S
MANUAL BEFORE USE. POTENTIAL ELECTROSTATIC CHARGING HAZARD.
SEE USER'S
MANUAL Tamb. Ϫ 30( Ϫ 15) TO 60 Њ C
TEMP.CLASS/MAX SURFACE TEMP. T6/T85 Њ C T5/T100 Њ C T4/T120 Њ C
WARNING
D
, Ex tD A21 IP6X T85 Њ C,T100 Њ C,T120 Њ C
ENCLOSURE:IP67 Tamb. Ϫ 40( Ϫ 15) TO
KU22
Tamb. Ϫ 40( Ϫ 15) TO 75 Њ C(T6 and T4)
AFTER DE-ENERGIZING, DELAY 10 MINUTES BEFORE OPENING.
WHEN THE AMBIENT TEMP.
Ն 70 Њ C, USE THE HEAT-RESISTING
CABLES Ն 90 Њ C. SEE USER'S MANUAL BEFORE USE.
Ϫ 40( Ϫ 15) TO 80 Њ C(T5)
CAUTION KF21
᭹ Tag plate for flameproof, intrinsically safe type,
type n protection, and Dust (for /KU21)
D
T65 Њ C (Tamb.: 40 Њ C), T85 Њ C (Tamb.: 60 Њ C),and T105 Њ C (Tamb.: 80 Њ C)
AFTER DE-ENERGIZING, DELAY 10 MINUTES BEFORE OPENING.
WHEN THE AMBIENT TEMP. Ն 70 Њ C, USE THE HEAT-RESISTING
CABLES Ն 90 Њ C. SEE USER'S MANUAL BEFORE USE.
SEE USER'S
MANUAL Tamb. Ϫ 40( Ϫ 15) TO 60 Њ C
TEMP.CLASS/MAX SURFACE TEMP. T6/T85 Њ C T5/T100 Њ C T4/T120 Њ C
CAUTION
D
, Ex tD A21 IP6X T85 Њ C,T100 Њ C,T120 Њ C
ENCLOSURE:IP67 Tamb. Ϫ 40( Ϫ 15) TO
KU21
Gc