IS & Ex


Latest Articles

Thyristor power controllers
August 2010, Temperature Controls
RKC has introduced the THV-A1 series single phase power control unit to its THV range for measuring in the range from 20-200 amps. The series is equipped with the following features:    * Control type selection ...

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ATEX approved barriers
July 2010
The series of N-132 amplifiers and transformers from German-based Rechner Sensors is its new generation of Namur compatible amplifiers and transformers. The range is supplied in single as well as double ...

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Fire detection and suppression
July 2010, Spero Sensors & Instrumentation
Sperosens has been in the fire detection and suppression business for more than 21 years and specialises in the protection of conveyor belts and electrical sub-stations. The Speroblaze CAFF fire suppression ...

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Safety isolating interfaces
July 2010, Extech Safety Systems
MTL Instruments has announced the release of the MPA5500 individual module power supply for the MTL5500 Series and the MTL4531/MTL5531 and MTL4533/MTL5533 vibration transducer interfaces. The MPA5500 ...

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Remote I/Os for Ex area
July 2010, PI SA (PROFIBUS & PROFINET SA), Phoenix Contact
The new EX I/O modules for the Inline automation system from Phoenix Contact are a compact and multifunctional supplement to the Inline Remote I/O system. They are ideally suited to connect digital and ...

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Permission to activate
May 2010, Spero Sensors & Instrumentation
Sperosens has introduced the Sperosafe system, designed in response to the unacceptably high number of machinery related incidents in industry. It is unique, user friendly, cost effective and can be easily ...

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Integrated predictive health solutions
May 2010
Increasing machine reliability and protection in plants with hazardous areas. A recent ARC study identified the growing need for integrated predictive health solutions to complement the core protection ...

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Phoenix Contact's SafetyBridge technology
May 2010, Phoenix Contact
The new safety system from Phoenix Contact with SafetyBridge technology operates independently of safety bus systems such as Interbus Safety and Profisafe and does not require a safety control in the ...

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Safety systems: are your Ex loops legitimate? Part 2
April 2010, Extech Safety Systems
This month we keep our spotlight on instrumentation loops for hazardous areas with the help of Johannes Auret from Explolabs and Gary Friend from Extech Safety Systems

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Safety systems - Part 1
March 2010, Extech Safety Systems
This month we look at instrumentation loops for hazardous areas with the help of Johannes Auret from Explolabs and Gary Friend from Extech Safety Systems

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Safe isolation
July 2009, Extech Safety Systems
MTL Instruments has introduced its next generation intrinsic safety isolators using its innovative ‘One-Core’ technology. Intrinsic safety (IS) interface specialists MTL Instruments are introducing two ...

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Your money or your life - Part 2 of 2
November 2008, Technews Publishing (SA Instrumentation & Control)
In Part 2 we touch on controversial aspects of the legislation and issue a call to action

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Junction boxes for hazardous areas
November 2008, Elen Enclosures
Elen Enclosures, the South African agent for Sarel, has vast experience in the supply of Ex’e and Ex’i junction boxes for Zones 1 and 2, using the Sarel Thalassa glass fibre reinforced polyester enclosures. Elen ...

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ARP 0108: Your money or your life - Part 1 of 2
October 2008
This article is based on the author’s interpretation of the document and does not remove the requirement for readers to fully familiarise themselves with the contents of all relevant and associated legislation

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Wireless solutions for Ex zone 1
October 2008, Phoenix Contact
Phoenix Contact’s new unidirectional RAD Line I/O solutions for the Ex zone 1 now make direct wireless transmission from potentially explosive zone 1 areas possible. The company’s RAD-ISM-2400-SET-UD-RPS-NAM-EX ...

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A user's guide to intrinsic safety
September 2007, Extech Safety Systems
MTL Instruments has a useful web resource application note (AN9003) that helps to demystify the subject of intrinsic safety. The site addresses:    * Why intrinsic safety? * An introduction to intrinsic ...

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FISCO simplifies application of explosion protection standards
April 2007, Extech Safety Systems
The initial IS fieldbus proposal was restricted to 'ia' IIC sources of power, while the FISCO specification permits power supplies to use non-linear regulation and the lower apparatus (gas) group IIB

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IS/Ex heavy duty sounders and beacons provide effective warning
October 2006
European Safety Systems specialises in the design and manufacture of high output sounders and strobes that are suitable for installation in hostile areas that require safety and warning systems. Intended ...

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Ex solution for control and automation in zones 1 and 2
October 2006
Complex processes in the chemical, pharmaceutical, oil and gas industries call for a constantly increasing number of automated solutions for measuring, control, regulation and visualisation applications. ...

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Ex ib universal signal conditioners
November 2005, Omniflex Remote Monitoring Specialists
Omniterm B series signal conditioners have been released for Intrinsically Safe applications. The Universal Transmitter and the Frequency Input transmitter have been approved IS on Input. [Ex ib] IIc ...

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