8 WIKA operating instructions pressure transmitter, model IS-3
14243628.02 10/2018 EN/DE
EN
2. Safety
FM approval ratings
Intrinsically safe for class I, II, III division 1, groups A, B, C, D, E, F, and G hazardous (classied) locations, entity;
Intrinsically safe AEx ia for class I, zone 0, group IIC hazardous (classied) locations, entity;
Nonincendive for class I, II, III division 2, groups A, B, C, D, E, F, and G hazardous (classied) locations, NIFW;
Class I, zone 2, group IIC hazardous (classied) locations, NIFW;
Ingress protection of IP65 and a temperature class of T4, T5, and T6;
Control drawing 141137236 applies for all types of protection
IECEx addition for Australia
The pressure measuring instrument is approved for use in hazardous areas (certicate IECEx TSA 16.0004X available
on request via info@wika.com)
Standards used: IEC 60079-0:2011, IEC 60079-11:2011, IEC 60079-26:2006
The instrument has been designed and built solely for the intended use described here, and may only be used accor-
dingly.
The technical specications contained in these operating instructions must be observed. Improper handling or
operation of the instrument outside of its technical specications requires the instrument to be taken out of service
immediately and inspected by an authorised WIKA service engineer.
2.2 Personnelqualication
WARNING!
Risk of injury should qualication be insucient!
Improper handling can result in considerable injury and damage to equipment.
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The activities described in these operating instructions may only be carried out by skilled personnel
who have the qualications described below.
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Keep unqualied personnel away from hazardous areas.
Skilled personnel
Skilled personnel are understood to be personnel who, based on their technical training, knowledge of measurement
and control technology and on their experience and knowledge of country-specic regulations, current standards and
directives, are capable of carrying out the work described and independently recognising potential hazards.
Special operating conditions require further appropriate knowledge, e.g. of aggressive media.