PULSAR MEASUREMENT
25
Power
The Ultra 3 can operate from mains AC and automatically from DC or battery
backup in the event of power failure or can be operated permanently from
DC or batteries.
Transducer
The transducer should be installed, and connected, in accordance with the
installation instructions contained in the Transducer User Guide. Wire the
transducer to the Ultra 3’s transducer terminals, as follows:
Transducer
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 appropriate 0 volts’ terminal of the
Ultra 3.
ATEX
For 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 Ultra 3.
For Zone 0 a transducer certified to Sira 02ATEX2103X is used, which must
be connected to the Ultra 3 controller via an external Zener barrier.
See transducer label for certification details.
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