OMGA5KN4.4 GA5000 gas analyser
Page 6 of 113 Copyright Geotech
2) This device must accept any interference received, including interference that may cause
undesired operation.
2.1 Safety instructions
The 5000 series of gas analysers can be used for measuring gases
from landfill sites and other sources as described in this manual.
The operator may be exposed to harmful gases during the use of the
instrument. Inhaling these gases may be harmful to health and in
some cases may be fatal.
It is the responsibility of the user to ensure that he/she is adequately
trained in the safety aspects of the gases being used and appropriate
procedures are followed. In particular, where hazardous gases are
being used the gas exhausted from the analyser must be piped to an
area where it is safe to discharge the gas.
Hazardous gas can also be expelled from the instrument when
purging with clean air.
The instrument has been designed to be used in explosive
atmospheres as defined by the classification. The instrument can be
configured to measure low levels of several gases, but may not be
certified for use in potentially explosive atmospheres of these gases.
It is the responsibility of the operator to determine the protection
concept and classification of equipment required for a particular
application and whether these gases create a potentially explosive
atmosphere.
Note: Gas analysers are a sensitive piece of scientific equipment, and should be
treated as such. If the equipment is used in a manner not specified by the
manufacturer, the protection provided by the instrument may be impaired.
2.2 Instructions for safe use
For ATEX and IECEx the 5000 series of gas analysers are certified to Hazardous
Area Classification
II 2G Ex ib IIA T1 Gb (Ta = -10ºC to +50ºC)
It is vital instructions are followed closely. It is the responsibility of the operator to
determine the protection concept and classification required for a particular application.
(Reference European ATEX Directive 94/9/EC, Annex II, 1.0.6.)
The following instructions apply to equipment covered by certificate numbers SIRA
11ATEX2197X and IECEx Directive SIR 11.0089X:
The equipment may be used with flammable gases and vapours with apparatus
group IIA and temperature class T1.
The equipment can contain gas sensing heads for the detection of particular gases.
The inclusion of a sensor does not infer that the equipment is suitable for the use of
gases with a temperature class of less than T1.
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