9.4 Specific conditions of use
● Flameproof joints are not intended to be repaired.
● The user must always ensure that the measuring function complies with the
requirements from the relevant harmonized standards which provide guidance on the
performance of Gas detection equipment and Safety devices.
● The equipment shall be connected to a power supply with an output of maximum
50 VDC complying with:
○ a SELV or PELV system, or
○ via a safety isolating transformer complying with the requirements of IEC
61558-2-6, or technically equivalent standard, or
○ directly connected to apparatus complying with the IEC 60950 series, IEC
61010-1, or a technically equivalent standard, or
○ fed directly from cells or batteries.
Document 022-80036-OM Revision R03 Page 39 of 48
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