<2. Handling Cautions>
2-14
IM 01C25W05-01EN
Note 3. Operation
• WARNING: AFTER DE-ENERGIZING,
DELAY 10 MINUTES BEFORE OPENING.
• The fasteners used to fasten the transmitter
enclosure onto the sensor capsule is special
fastener, and the property class of it is
A2-50(A4-50) or more.
• WARNING: WHEN THE AMBIENT
TEMP.≥65°C, USE HEAT-RESISTING
CABLE AND CABLE GLAND ≥90°C.
• Take care not to generate mechanical
sparking when accessing to the instrument
and peripheral devices in a hazardous
location.
• Electrostatic charge may cause an explosion
hazard. Avoid any actions that cause the
generation of electrostatic charge, such as
rubbing with a dry cloth on coating face of the
product.
Note 4. Maintenance and Repair
• The instrument modification or parts
replacement by other than authorized
representative of Yokogawa Electric
Corporation is prohibited and will void IECEx
Certification.
• Electrical Connection
A mark indicating the electrical connection
type is stamped near the electrical
connection port. These marks are as
followed.
F0206.ai
Location of the mark
Screw Size
Marking
ISO M20 × 1.5 female
ANSI 1/2 NPT female
M
N or
W
c. IECEx Intrinsically Safe Type/IECEx
Flameproof Type
EJX/EJA-E Series pressure transmitters with
optional code /SU24 can be selected the type
of protection IECEx Flameproof or Intrinsically
Safe. Ex ia for use in hazardous area.
Note 1. For the installation of this transmitter,
once a particular type of protection is
selected, any other type of protection
cannot be used. The installation must be in
accordance with the description about the
type of protection in this user’s manual.
Note 2. For combined approval types, once a
device of multiple approval type is installed,
it should not be re-installed using any
other approval types. Apply a permanent
mark in the check box of the selected
approval type on the certification label on
the transmitter to distinguish it from unused
approval types.
