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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.
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