Page
13
If splicing
, it is recommended using a junction box with standard twisted,
shielded pair at 20 AWG.
When using 2-core screened extension cable, the Black and Green wires of
the transducer should be connected to the screen of the extension cable
which in turn should be connected to the relevant 0 volts terminal.
When installing a transducer in a hazardous area use an approved
transducer, from the Pulsar dB range, suitable for the proposed application.
FM
For
EEx m
(
Zone 1)
applications a transducer certified to
FM Class I Div 1
Group A, B, C & D, ClassII Div 1 Group E, F & G, Class III
is used, and
must be supplied via a 1500A breaking fuse, which is fitted as standard to
the
blackbox
level controller.
Restrictions do not use in the presence of these groups of Chemicals,
Aliphatic Hydro Carbons, Ketones or Esters
For
EEx ia
(
I.S.)
a transducer certified to
FM Class I Div 1 Group A, B, C
& D, ClassII Div 1 Group E, F & G
is
used, which must be connected to
the
blackbox
via an external Zener barrier.
ATEX
For
EEx m
(
Zone 1)
applications a transducer certified to
Sira
02ATEX5104X
is used, and must be supplied via a 4000A breaking fuse,
which is fitted as standard to the
blackbox
level controller.
For
EEx ia
(
Zone 0)
a transducer certified to
Sira 02ATEX2103X
is
used,
which must be connected to the
blackbox
via an external Zener barrier.
See transducer label for certification details.
Содержание FlowCERT LITE
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