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NAMUR NE107 Standard

S Bharadwaj Reddy
Process variables and manipulated variables are the most important pieces of information from the devices. NAMUR has identified that the status of the devices themselves is also important to help the...

Basics of Explosion Protection

S Bharadwaj Reddy
Among the variety of products and intermediate products of the chemical and industrial process industries there are many which can form explosive mixtures with other products or with the oxygen...

Basics of Electromagnetic compatibility (EMC)

S Bharadwaj Reddy
The measuring electronics of field transmitters like flowmeters are constantly becoming more efficient and more compact. Digital data processing with its microprocessors has opened up new avenues for new communications,...

IP Ratings and Equivalent NEMA Ratings

S Bharadwaj Reddy
IP Ratings (Ingress Protection) and Equivalent NEMA Ratings Explained IP Ratings An IP rating contains two numbers (i.e. IP65) in most instances which relate to the level of protection provided...

ATEX Ratings, Intrinsic Safety, Hazardous Areas and Explosive Atmospheres

S Bharadwaj Reddy
Please note that this page provides helpful information only, detailed reference should be taken from an appropriate accredited agency or organisation. Protection Concepts Zone Hazard Protection Concepts 0 In which...

Electronic Equipment Purging Principles & Standards

S Bharadwaj Reddy
What is Purging? Purging/pressurization systems permit the safe operation of electrical/electronic equipment under hazardous conditions when approved hazardous location equipment is not part of the application or the equipment is rated...

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