IS & Ex


Latest Articles

Hazardous area signal protection and conditioning from Weidmüller
April 2012, Phambili Interface
Intrinsically safe circuits with limited energy are needed in the hazardous areas often associated with the oil and gas industries. For these circuits, Weidmüller has developed new intrinsically safe ...

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New Profibus indicators for hazardous and safe areas
March 2012, Extech Safety Systems, PI SA (PROFIBUS & PROFINET SA)
Beka has introduced five new eight variable Profibus indicators with large digits to compliment its well-established Profibus displays that are already in use in petrochemical and pharmaceutical plants ...

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Easy integration of IS serial measurement devices
March 2012, Extech Safety Systems
Intrinsically safe Ethernet gives access to Zone 1 and Zone 0 hazardous areas. MTL Instruments has announced the release of the 9400 series intrinsically safe (IS) Ethernet range and the launch of an ...

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Conveyor belt fire protection
November 2011, Alien Systems & Technologies
What solutions are available? The movement of materials for mining, paper milling, food production and the like, is of critical importance to any operation: the key decision being transport reliability ...

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Pipe clamp for explosion hazard areas
October 2011
DEHN’s pipe clamp is designed for use in potentially explosive atmosphere Ex zones 1 and 2 (gases, vapours, fogs) as well as Ex zones 21 and 22 (dusts). It contacts pipes electrically in explosion hazard ...

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Selective, failsafe flame monitoring
October 2011
Durag’s D-LX 200 is a compact flame monitor for continuous operation in large power stations, heating plants, chemical processes, incineration plants, rotary kilns and cement plants. The system reliably ...

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Inspection of in-service Ex equipment
October 2011
Unsafe conditions and cures. The inspection of Explosion Protected (Ex) Equipment, together with appropriate maintenance and repair, is critical for safety. In a paper that highlights the differences ...

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Intrinsically safe isolation amplifier
July 2011, Phoenix Contact
The repeater power supply and input isolation amplifier MCR-Ex-SL RPSSI-2I from Phoenix Contact can be used to supply two logic units with 0/4-20 mA analogue signals from a hazardous zone. Two-wire measuring ...

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Isolated barriers for motherboard termination
July 2011, Pepperl+Fuchs
For process application requirements the H-System from Pepperl + Fuchs secures galvanic isolation between intrinsically safe field signals and the secure safe side signals of the control system. The interface ...

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Intrinsically safe gas detection
July 2011
Emis Sales 2002, part of the Becker Group of Companies, has been appointed as the official distributor in South Africa for Trolex gas detection and recovery monitoring systems, as well as the environmental ...

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Ethernet connectivity in hazardous environments
July 2011, Extech Safety Systems
New Ethernet products from MTL provide connectivity across the process plant. Today’s industrial plants demand greater efficiency, higher reliability, increased levels of security and lower cost of ownership ...

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Siemens level transmitter SIL 2 certified
July 2011, Siemens South Africa
Siemens Industry Automation Division’s Sitrans LR250 radar level transmitter has been certified in compliance with SIL 2 by independent certification company Risknowlogy. This declaration represents ...

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Safety simply configured
13 April 2011, Phoenix Contact
The logic for the PSR-Trisafe safety module from Phoenix Contact can be generated in a simple drag-and-drop operation using the free Safeconf configuration software

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Intrinsically safe wireless nodes
March 2011, Turck Banner Southern Africa
New DX99 FlexPower nodes from Banner Engineering are available in a metal housing for gas and dust atmospheres. A series of intrinsically safe wireless communication nodes certified for worldwide use ...

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Touch panel PCs for hazardous areas
March 2011
Enhanced functionality and performance with LED technology. Bartec’s Polaris touch panel PCs with LED technology are an innovative enhancement of the existing range of Polaris panel PCs for hazardous ...

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Flameproof enclosures
March 2011
Bartec is now able to supply a comprehensive range of flameproof (Exd) enclosures for gas group IIB+H2. This range is suitable for DOL starters, isolators and a wide variety of customer specific applications ...

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Beka's new process indicators
October 2010, Extech Safety Systems, PI SA (PROFIBUS & PROFINET SA)
Beka Associates has introduced five new eight variable Profibus indicators with large digits to complement its range that is already being used in petrochemical and pharmaceutical plants worldwide. The ...

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Mosaic integrated safety controller
October 2010, PI SA (PROFIBUS & PROFINET SA)
Mosaic is the new modular and configurable safety controller from ReeR, capable of monitoring many safety sensors and commands at the same time. These can be safety light curtains, safety photocells, ...

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Compact and powerful work lamp
September 2010
Bartec has introduced its range of high quality mobile LED work lamps with charging station. The lamps have been designed for the illumination of work spaces in hazardous areas where explosions due to ...

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Safety over EtherCAT
August 2010, Beckhoff Automation
The protocol is accepted as an international standard. Together with the IEC 67184-3 standard, the Safety over EtherCAT Protocol was accepted unanimously by the 27 national IEC committees. Achieving ...

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