http://www.che.com Chemical Engineering en-us 2013 Tue, 18 Jun 2013 0:40:42 EDT This flowrate totalizer has an explosion-proof enclosure Precision Digital The PD6830 ProtEX-RTP Pulse Input Rate/Totalizer has a rugged, explosion-proof, NEMA 4X enclosure and is designed for the quick and easy display of local or remote flow information in hazardous areas. The SafeTouch through-glass... http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/10580.html Sat, 1 Jun 2013 0:00:00 EDT There are several methods available to size relief valves. This article describes the inherent advantages of one of them.... http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/10394.html Mon, 1 Apr 2013 0:00:00 EDT Users design safety instrumented systems to bring the risk of identified process hazards to within tolerable levels, using application-specific risk models, user inspection schedules, and safety data for the devices under consideration. A key problem when designing such systems is ensuring the relevance of the available data. Read more from this article that originally appeared in CE in July of 2003.... http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/10361.html Mon, 25 Mar 2013 0:00:00 EDT The SIL3-rated MTL 4850 Hart Multiplexer  is suitable for connecting to instrument loops performing safety functions, and is designed to ensure that there is no effect on the analog... http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/10020.html Sat, 1 Dec 2012 0:00:00 EST The Safety Relay Module (SRM) is said to be a versatile relay repeater module that has been certified by Exida for single use in safety-instrumented systems (SIS) up to SIL 2... http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/9789.html Mon, 1 Oct 2012 0:00:00 EDT This company has added long-range fire detection and fire risk-assessment capabilities to certain models of its EyeSec line of high-performance, uncooled thermal cameras. With this integrated option, the company claims to be the only camera manufacturer... http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/9199.html Sun, 1 Apr 2012 0:00:00 EDT Last month, this company launched an explosion-protection option for enclosures, enabling them to be ideal for analyzers in open-field sites, such as petroleum refineries and chemical process plants. A new inert-gas... http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/8976.html Wed, 1 Feb 2012 0:00:00 EST Vegamet 391 with SIL (safety integrity level) qualification is a universal signal-conditioning instrument for a variety of measurement tasks, such as level, gage-and process-pressure... http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/8991.html Wed, 1 Feb 2012 0:00:00 EST The newly upgraded Earth-Rite Tellus II offers effective static earth verification for drums, IBCs and other mobile equipment in hazardous area operations. The lightweight static dissipative polyester (SDP) enclosure can be mounted in all... http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/8539.html Sat, 1 Oct 2011 0:00:00 EDT The HLEL Series of emergency lighting fixtures offers a fiberglass-reinforced polyester housing that is suitable for use in indoor hazardous environments, such as... http://www.che.com/environmental_health_and_safety/plant_and_personnel_safety/safety_instrumentation/8554.html Sat, 1 Oct 2011 0:00:00 EDT