Intrinsically Safe Requirements - Baker Hughes Masoneilan SVI II ESD Quick Start Manual

5.2 Cable Glands
Certified cable glands are required based on the hazardous area the device is installed in. That is, the
particular cable gland used must have the same certification as the tick-box checked off on the label (See
Section 6, Figure 1).
5.3 Bolting
"X" Marking on label - M8 X 1.25-6g cover screws must be supplied by Masoneilan.
No substitution allowed. Minimum yield stress to be 296 N/mm^2 (43,000 psi)
5.4 Carbon Disulphide Exclusion
Carbon Disulphide is excluded.
(IEC 60079-1, Clause 15.4.3.2.2., carbon disulphide is excluded for enclosures with a volume greater
3
than 100cm )
5.5 Electrostatic Discharge
"X" Marking on label - Potential Electrostatic Charge Hazard – For safe operation use only wet cloth
when cleaning or wiping device, and only when local conditions around the device are free of potentially
explosive atmospheres. Do not use dry cloth. Do not use solvent.
5.6 Dust
"X" Marking on label - Instruments installed in dusty hazardous areas, Zones 20, 21 and 22; must be
cleaned regularly to prevent the buildup of dust layers on any surface.
electrostatic discharge, you must follow the guidance as detailed in EN TR50404. For safe operation,
use only wet cloth when cleaning or wiping the device. Cleaning must only be done when local
conditions around the device are free of potentially explosive atmospheres. Do not use dry cloth or any
solvents.
6

INTRINSICALLY SAFE REQUIREMENTS

6.1 DIV 2 (No I.S. Barrier)
WARNING: EXPLOSION HAZARD – Do not disconnect equipment unless power has been switched
off or the area is known to be non-hazardous.
6.2 Category II (Zone 0)
For operation in hazardous area Category II 1, over-voltage protection of the electrical connections needs
to be installed according to EN 60079-14
For operation in hazardous area Category II 1 the ambient temperature needs to be lowered according to
the requirements of EN 1127-1 (reduction factor of 80%). The maximum allowed ambient temperature
for Category 1 inclusive the requirement of EN1127-1 is:
T6: Ta = -40°C to +43°C
Doc Number ES-727
Revision W
Filename ES-727.DOC
Copyright 2017 as an unpublished trade secret. This document and all information herein is the property of Dresser LLC. It is confidential
and must not be made public or copied and is subject to return upon demand.
© 2018 Baker Hughes, a GE company, LLC. All rights reserved.
PDR ECO-
11/15/2017
0029774
Written By
Checked
Page 5 of 13 Approved
Masoneilan SVI II ESD Quick Start Guide =| 83
To avoid the risk from
P.Levesque 13DEC2006
T.Kabir 10JAN2007
T. Kabir 10JAN2007