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Measurement and Testing
UL/ULC Listed and ATEX Approved Position Sensors for Worldwide Operation in Offshore Drilling Markets
Macro Sensors (USA), a sensor company specialising in the manufacture of LVDT-based linear displacement sensors and gauging probes, offers the HLR 750 Series of UL/ULC listed and ATEX approved LVDT Linear Positions Sensors for use in the high temperature and high vibration environments of offshore drilling platforms.
In addition to a UL/ULC rating for Class I, Division 2, Groups A, B, C, and D T3C Class I, Zone 2, AEx nC IIC T3Ex nC IIC T3, the highly rugged HLR Series of LVDT Linear Position Sensors are ATEX approved in Zone 1 and Zone 2 classifications, making them appropriate for use in potentially explosive environments.
With the ability to separate LVDT electronics from the LVDT coils, these highly robust AC-operated LVDT Linear Position Sensors can withstand high temperatures and high vibrations, making them ideal for monitoring offshore drill clutch actuator positioning and plunger lift controls. For added protection against environmental elements, electronics can be installed in explosion-proof enclosures and connected to LVDTs using a suitable conduit. Units feature a through-bore design along with lead wires that exit through a radially-mounted ½-14 NPT male threaded conduit for east attachment to an explosion-proof junction box as well as conduit.
Available in full-scale measurement ranges from 1 inch to 10 inches, the HLR 750 Series of LVDT Linear Position Sensors are constructed entirely of stainless steel and hermetically sealed for resistance against hostile environmental conditions. The HLR 750 Series offer high resolution, excellent repeatability typically better than 0.01% of full scale and non-linearity of less than 0.25% of full range output.
To complete the measurement system, Macro Sensors supplies LVC Series Support Electronics for the HLR 750 Series Position Sensors, which work well with either conventional differential input LVDT signal conditioners or ratiometric signal conditioning circuits.
Reader Reply Card No 170
On-Site Oil In Water Measurements using Portable IR Analysers
Oil in water discharges are highly regulated and each region of the world has their specific regulations. For the offshore oil industry regulating bodies such as the NPDES (National Pollutant Discharge Elimination System) in the US have strict parts per million (ppm) limits that are coupled with costly fines for non-compliance. On-shore industrial wastewater producers also have limits imposed either by the wastewater treatment facilities or by government regulations such as the US Clean Water Act (CWA) or the EUs Integrated Pollution Prevention and Control (IPPC). Excessive amounts of oil in the wastewater discharge can lead to fines and/or pollution from sanitary sewer overflows (SSOs).
Portable infrared analysers, such as the InfraCal TOG/TPH Analysers from Wilks Enterprise (USA), provide on-site oil in water measurement capability in a matter of minutes, eliminating the wait for off-site laboratory results. They help provide the assurance that oil in water levels
are in compliance with discharge permits and give treatment operators needed information on how their system is performing.
The rugged InfraCal TOG/TPH Analysers have been specifically designed for easy, on-site measurement of oil and grease concentration levels in water in under 15 minutes and are built for years of dependable operation. They are based on field-proven infrared technology and enable non-technical users to obtain accurate measurements with a few simple steps. Measurement data correlates with EPA Methods 1664, 413.2, 418.1 and ASTM Methods D7066 and D3921. Currently, there are upwards of 2,500 InfraCal Analysers in worldwide operation – many of which are on oil and gas drilling platforms. Their performance and reliability have made them the industry standard for determining oil and grease concentration levels in water – both for on-shore and off-shore use.
Reader Reply Card No 171
Clamp-On Leak Detection Solution for Enhanced Pipeline Management
European Environmental Protection Legislation Essential Environment is the comprehensive guide to UK and EU environmental protection legislation.
Written in clear, simple language, the 34th Edition of the
Essential Environment handbook cuts through the legal jargon and provides comprehensive and up-to-date information and guidance.
Topics covered include:
• Industrial Pollution Control • Air Quality and Air Pollution, Climate Change, Transport Pollution • Environmental and Neighbourhood Noise, Statutory Nuisance • Local Environmental Quality •Waste Management, Land Quality, Contaminated Land
• Water Pollution, Marine Pollution, Pesticides, and Agricultural Pollution
• Sustainable Development, Land Use Planning. This book is available in Hard Copy or online at
www.essentialenvironment.org.uk Reader Reply Card No 172 Annual Buyers’ Guide 2013 •
www.petro-online.com
The potential hazards of oil pipeline leakage continue to gain notoriety worldwide. In the US, for example, the National Transportation Safety Board recently issued a report that lists enhancing pipeline safety as one of the top 10 transportation challenges for 2013 – and for good reason. Pipeline leaks can have catastrophic consequences for human health, the environment and the global economy.
Siemens (USA) have an ideal solution: the accurate and reliable FUS-LDS Leak Detection System. While most suppliers offer only the software component of a leak detection system, Siemens provides a comprehensive package with software as well as all flow and temperature instrumentation, including highly accurate SITRANS FUH1010 clamp-on flowmeters.
The FUS-LDS detects releases in real time at both dynamic and static flow conditions via pre-set alarm thresholds, which means that it does not require continuous operator attention. To ensure even greater ease of use, Siemens recently enhanced its leak detection software with the powerful SIMATIC WinCC process visualisation system. The software now provides a dynamic graphic user interface for the FUS-LDS to simplify identification of specific pipeline locations, line segments and flowmeters. The result is improved process efficiency since users now have the ability to react instantly to any situation before it escalates.
For any questions regarding the FUS-LDS Leak Detection System, please visit Siemens Industry Contact website at
http://j.mp/SvFQtm.
Reader Reply Card No 173
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