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INTRODUCTION
1.1 GENERAL DESCRIPTION
The GMI V!SA combines quality, ruggedness and
advanced technology in a user friendly, portable gas
detector. Small and lightweight, it is suitably certified to
recognised International Standards.
Fig. 1.1 V!SA Instrument
The V!SA is used for confined space monitoring, for
example, in sewers, underground piping or within tanks,
and other personal monitoring applications. Its high intensity
audible and bright visual alarms provide early warning of
dangerous gas levels.
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