IECEx Approved Thermocouples for the Petrochemical, Oil and Gas Industries

Your chosen concept is:

Ex d Flameproof/Explosion Proof – Category 2, Zones 1,2 (Gas)
• Ex d IIC T6...T1 Gb Ta = –40°C to 60°C
• Standard EN IEC 60079-1 refers
• Designed to contain an explosion and quench the flame
• Sensors incorporate a suitable heavy duty enclosure or threaded fitting with tight seals

Your chosen concept is:

Ex e Increased Safety – Category 2, Zones 1,2 (Gas)
• Ex e IIC T6...T1 Gb Ta = –40°C to 60°C
• Ex ia IIIC T80°C…T440°C Db
• Standard EN IEC 60079-7 refers
• Design ensures no arcs, sparks or hot surfaces that could ignite an explosive mixture with a minimum IP54 enclosure rating
• Sensors incorporate a suitable heavy duty enclosure or threaded fitting with tight seals

Your chosen concept is:

Ex ia Intrinsically Safe – Category 1, Zones 0,1,2 (Gas) & 20,21,22 (Dust)
• Ex ia IIC T6...T1 Ga Ta = –40°C to 60°C
• Ex ia IIIC T80°C…T440°C Db
• Standard EN IEC 60079-11 refers
• Designed to limit the energy of arcs or sparks that could potentially ignite an explosive mixture
• Sensors used in this area must be wired through a suitably approved barrier
• Optional approved 4 to 20mA transmitters available

Your chosen concept is:

Ex nA Non-Sparking – Category 3, Zone 2 (Gas)
• Ex nA IIC Gc T6…T2
• Standard EN IEC 60079-15 refers
• No arcs, sparks or hot surfaces

Your chosen concept is:

Ex tb Enclosure – Category 2, Zones 21, 22 (Dust)
• Ex tb IIIC T80°C…T440°C Db
• Standard EN IEC 60079-31 refers
• Protects against combustible and conductive dusts, rugged tight enclosures are used

Your chosen concept is:

Ex tc Non-Sparking – Category 3, Zone 22 (Dust)
• Ex tc IIIC T85°C...T450°C Dc
• Standard EN IEC 61241 refers
• Protects against combustible dusts
• Sensors incorporate a suitable heavy duty enclosure with IP6X seal