Heath Consultants Gasurveyor 500 Series - Manual (Page 11)

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INTRODUCTION
The Gasurveyor 3-500 is a two button flammable gas leak
location and purge instrument, designed to measure Lower
Explosive Level (LEL) and Volume flammable gas. The
instrument is designed to the latest standards and is
certified for use in Hazardous Areas.
The Gasurveyor 3-500 contains the following ranges:
$
LEL, 0 to 100%
$
Volume gas, 0 to 100%
As the Gasurveyor 3-500 has a wide variety of available
user selected options, it is not possible to provide an
operator handbook specific to each possible variation,
therefore, what we have provided in the following pages
is the standard default of how the instrument would
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