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Computer running
Flowlink
(Hazardous boundaries are normally
specified by local authorities.)
Figure 2-3 Typical Round-pipe Installation Connected to a
2194EX Module and Laptop
(Permanent Installation, see section 2.5)
SAFE AREA
POTENTIALLY EXPLOSIVE AREA
Due to the creation of a permanent grounding point between
the sensor's transducer cover and the mounting ring when
the sensor is installed, the 2150EX system can not
withstand the 500 VAC test according to EN50020:2002
clause 6.4.12. Refer to IEC 60079-14, section 12.2.4,
regarding earthing of intrinsically safe circuits.
2150EX Area Velocity Flow Module
Section 2 Preparation and Installation
Equipment Box
This figure is not intended to
depict the meeting of special
c o n d i t i o n s i n d i c a t e d b y " X "
m a r k i n g s o n t h e e q u i p m e n t .
Refer to IEC 60079-14 section
12.2.4 regarding intrinsically safe
a p p a r a t u s
withstand the 500VAC electrical
strength test.
See the warnings below.
WARNING
Interrogator Cable
2194EX Network/
Power Module
Isco Power Pack
EX Interface Cable
and Conduit
2150EX Area Velocity
Flow Module
t h a t
d o e s
n o t
Mounting Ring
(See WARNINGS
below.)
AV2150EX Sensor
2-7
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