PRODUCTS TEST & MEASUREMENT HIGH ACCURACY GAS CHROMATOGRAPH
Offering reliable measurement accuracy, the Danalyzer 370XA Gas Chromatograph (GC) from Emerson Process Management is designed for continuous online analysis of natural gas. Applications include custody transfer, power generation and burner fuel/air ratio control. The new and intuitive instrument provides a C6+ analysis similar
to legacy Danalyzer GCs, but in a smaller, simpler form. It features a Maintainable Module, which incorporates the analytical components in an easily removable module. This can be replaced in the field in approximately two hours and can be maintained at the component level for cost-effective repair. The device can be pole-mounted, wall-mounted or floor-mounted and, for most environments, no shelter is required.
Emerson Process Management
www.EmersonProcess.com
Enter 668 MONITORING LIQUID VOLUME AND FLOW
Now available from George Fischer are the Type 2270 Ultrasonic Blind Sensor and Type 2260 Ultrasonic Display Sensor, solutions for continuously monitoring liquid volumes and flow rates. The sensors operate on the
‘time of flight’ principle where a sound wave is transmitted from a point above the fluid surface and
the time for the return signal to be received is measured. This provides a reading of the level for the surface to an accuracy of ±0.2% of flow, while allowing for wave height or the presence of dust and grease contamination. The sensors can recognise and allow for ‘disturbing objects’ such as mixing paddles or ladders on the side of tanks, and can cope with light foaming of the liquid. The user can also pre-program in different tank or channel shapes to facilitate the calculation of volumes. Additional features include a
large, easy to read display, and a 4-20mA signal strength to communicate with central monitoring devices, HART modem or process control systems. The 2270 offers operating ranges of 4-6m, while the 2260
DIAGNOSING NETWORK ISSUES
Fluke Networks has introduced cloud services for its new handheld OneTouch AT Network Assistant or as a software upgrade for existing units. This enables the tester to provide visibility into network performance over time and offers ‘launch-and-leave’ remote testing and more in-depth analytics. The OneTouch AT tester and cloud
service make it easier to see network irregularities, with sequential test results uploaded to the cloud and plotted on colour-coded charts. Technicians can view trended results from multiple tests side by side, zoom in to see details, and then print or download charts as documentation.
Fluke Networks
www.flukeNetworks.com Enter 671
30 JUNE 2014 | INSTRUMENTATION
encompasses models able to work up to a distance of 15m. Both can be used in proximity to process temperatures between -30 and +90˚C. All units also carry ATEX, CE and RoHs accreditation. The rugged yet sensitive
sensors are suitable for a range of applications in industries including water, sewage treatment, chemical, processing, etc. They are suitable for measuring flows in culverts and spillways where flood monitoring is a priority, calculating the dosage of chemicals required to control the pH value of a flow, for the accurate filling of storage tanks, and in specialist treatments such as electro-plating.
George Fischer Enter 669
www.georgefischer.co.uk
DATA CABLE TRANSMISSION TESTER LAUNCHED
SignalTEK CT from Ideal Networks is a tester for those who need to prove that copper cabling has been installed correctly and can support Gigabit Ethernet applications to IEEE802.3ab. This carries out two primary tests via
its Autotest function. The wiremap test displays crossed pairs, opens, shorts and split pairs; while the data transmission test performs at 100Mbit/s or 1000Mbit/s, providing 100% load on that link from both sides. This provides a clear reading if the link can support the desired Ethernet speed. The tests perform to the IEEE802.3ab
standard by measuring if all the frames arrive at the other end of the cable by having two handsets, allowing for one person testing. In addition, Pass/Fail results are displayed on the screen and can be saved to a USB memory stick. According to the company, the data
cable transmission tester has been developed to essentially bridge the gap between verifiers and full-blown certifiers, enabling a more affordable method of testing installations, while ensuring the work is defect-free and documented to meet end-customer’s expectations of quality and reliability. The tester is both rugged and durable,
and delivers proof confirming that the installed links run at Gigabit Ethernet transmission rates, the company explains. It comes in a kit with display and remote unit as well as rechargeable batteries, patch cables, power supply, multi-lingual manual and a carry case.
Ideal Industries Networks
www.Signaltekct.com
Enter 670 MEASURING PIPES FOR OIL AND GAS PROJECTS
Between Barrow Island and the Gorgon and Jansz-Io gas fields, three pipelines were being laid in 200m of water at the top of the escarpment down to a water depth of 730m. However, with the 30in diameter pipes being fatigue-sensitive, welding these to precise engineering tolerances was critical. To help, OMS conducted a pipe measurement and fit-up survey to ascertain which pipes would be suitable and in which sequence they should be welded to minimise project HiLo. Two OMS operators used the PipeChecker laser-based measurement tool to measure the geometry of
the internal walls of more than 400 pipe ends, resulting in around 70 pipes being selected as the most suitable for the Jansz Scarp Crossing pipeline. The measurement data was then made available to OMS’ SmartFit software, which calculated the best possible fit-up sequence for the pipes. For this project, the HiLo requirement was less than or equal to 0.5mm. The weld seam had to be within
±45˚ of TDC. In addition, the longitudinal weld seams had to be offset to at least 100mm. This data was configured into SmartFit; and the software analysed the fit-up of the pipes and allowed the operators to mark the best rotational position on each pipe end. In the bead stall, these marks were then aligned to immediately achieve the best rotational position so that misalignment was minimised and the project HiLo was achieved. Any problem pipes that didn’t fit at the specified HiLo were also indicated and re-sequenced or removed. Production delays due to mismatched pipes were therefore avoided.
OMS
www.omsmeasure.com Enter 672 / INSTRUMENTATION
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