IS & Ex


Latest Articles

Intrinsic safety interfacing becomes streamlined
June 2001, Pepperl+Fuchs
The Series 2000 intrinsic safety isolation system from P&F Products was designed to make IS interfacing as convenient as possible. Some areas of the interfacing system where the more obvious advantages ...

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HART programming solution for hazardous areas
April 2001
A long-standing problem has been solved with the release of field instrumentation specialist Endress+Hauser's latest addition - the RN 221 N active barrier - to its family of system components. Historically, ...

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Intrinsic safety considerations
March 2001, Extech Safety Systems
This article concentrates on intrinsic safety, where there tends to be more emphasis on the requirements of electrical protection and earthing

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Compact IS Process Interface systems for the processing industries
March 2001, Phoenix Contact
The Process Interface product line from Phoenix Contact provides a system that is both tried in practice and taking the future into consideration, allowing the efficiency of interface levels in various applications to be increased through a wide variety of functionalities

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Universal trip amplifiers
March 2001, Pepperl+Fuchs
The new universal trip amplifiers in the Pepperl + Fuchs K-System monitor up to two independent limit values and their associated hysteresis. Two independent, adjustable relay outputs enable the limit ...

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SABS certified two-wire IS transmitter for petrochem
February 2001, Omniflex Remote Monitoring Specialists
The Omniterm two-wire transmitter manufactured by Omniflex has SABS certification for use as a barrier in hazardous area installations, effectively meaning that one product now does the job of two: a ...

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Intrinsic safety considerations
Feb 2000, Pepperl+Fuchs
Causes of explosions Three conditions must be present for an explosion to take place: p Combustible material - gas, vapours, dust etc. p Oxygen. p Electrical or thermal energy - of sufficient value. Intrinsic ...

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Interface offers compact.intrinsically safe solutyion for process engineering
Feb 2000, Phoenix Contact
With the newly developed process interface product line from Phoenix Contact, which includes a base terminal block with a width of just 12,4 mm and codeable, pluggable and intrinsically safe isolation ...

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Overvoltage protection of intrinsically safe circuits in hazarduos areas
Feb 2000
The Blitzductor CT Type MD/Ex is an intrinsically safe, two-piece, surge protection device for use in 24 V circuits in hazardous areas. Locally manufactured by Surge Technology, it is designed to protect ...

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New dual-function RTD transmitter for hazardous areas.
Jan 2000
Turck now produces a new PT 100 RTD transmitter with intrinsically safe input circuits. The multimodul MK32 is a dual-function transmitter. It replaces the transmitter and barrier previously required ...

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