x Water / Wastewater 3 Flow Measurement Sites with one Transmitter
Nivus GmbH presents a transmitter capable of simultaneously measuring up to three different measurement places with 9 fl ow velocity sensors in total. This means less installation expenses, low space requirements for installation in control cabinets and simultaneous access to 3 measurement sites using merely one communication interface.
By using the new version operators are free to distribute the number of fl ow velocity sensors per measurement place as desired. Moreover it is possible to use up to 9 sensors for a measurement place featuring a very large measurement cross section. This allows highly accurate fl ow rate measurement even in very wide canals and fl umes featuring poor hydraulic conditions.
The transmitter furthermore provides the option to mathematically summarise a total value based on readings from different measurement sites. The NivuFlow 750 M9 completes the manufacturer’s family of cross correlation devices for open channels and fl umes as well as for part fi lled and full pipes.
Thanks to latest numeric discharge models integrated, the NivuFlow 750 units provide even more accurate and more reliable fl ow rate determination even under diffi cult measurement conditions. Based on the ultrasonic cross correlation method, individual velocities are detected in different levels within the fl ow cross section. This allows the calculation and indication of real 3D fl ow profi les in real time. Infl uencing parameters such as canal shape, discharge behaviour and wall roughness are considered to calculate the fl ow rate.
Comprehensive diagnostic functions facilitate commissioning and maintenance of the transmitters and help operators to save time and costs.
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New Low-Maintenance Phosphate Monitor Launched
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OTT Hydrometry has launched an advanced version of its ‘Cycle-P’ remote Phosphate monitor for measuring dissolved Phosphate in rivers, lakes and reservoirs. The new ‘HydroCycle PO4’ uses less reagents per test than its predecessor and the reagents have a longer shelf-life. “This means that the HydroCycle PO4 can be left in the fi eld, for even longer periods,” says OTT’s UK Managing Director Nigel Grimsley. “With a standard sampling rate of two tests per hour (4x per hour is possible), this new instrument is able to run over 1,500 samples before a service/reagent change is necessary, so that means the monitor can be left unattended for around a month, which reduces the cost of monitoring even further.”
Battery powered and weighing less than 8Kg fully loaded with reagents, the HydroCycle PO4 is quick and easy to deploy, even in remote locations. The instrument has an internal datalogger with 1 GB capacity, and in combination with telemetry, it provides operators with near real-time access to monitoring data for Phosphate; a critically important nutrient in surface waters.
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The quality of the instrument’s data is underpinned by QA/QC processing in conjunction with an on-board NIST standard, delivering scientifi cally defensible results, and enabling users to spend less time checking data quality and more time analysing what the data means. The HydroCycle PO4 methodology is based on US EPA standard methods, employing pre-mixed, colour coded cartridges for simple reagent replacement in the fi eld.
Engineered to take measurements at high oxygen saturation, and with a large surface area fi lter for enhanced performance during sediment events, the instrument employs advanced fl uidics, that are resistant to the bubbles that can plague wet chemical sensors.
Summarising, Nigel Grimsley says: “The original Cycle-P signifi cantly lowered the cost and improved the reliability of Phosphate monitoring, and the new version builds on the strengths of its predecessor and reduces the service and maintenance requirements even further.”
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38885pr@reply-direct.com “Engineering is a great choice for girls” says Hanovia’s Gugu Moyo
Gugu Moyo is a Quality and Planning Engineer at British UV water disinfection specialist Hanovia. With the recent National Women in Engineering Day on June 23, she refl ects on the challenges and opportunities of a profession where only 6% of professional engineers are women.
Like many teenagers I considered many career options. Growing up in Zimbabwe, the challenges facing girls wanting to go into engineering were much the same as in the UK, with widespread misunderstanding about what engineers do. The image of spending the day in a boiler suit, covered in grease and wielding a wrench is hard to shift, despite the fact that in my career my tools are typically computers, software and statistics.
I considered other possible careers using my abilities with maths and science, such as medicine and pharmacy, but decided to stick to my guns with engineering and I have found that, in the UK, people judge you by your ability as an engineer, not on your gender.
I came to the UK in 2007 to study Mechanical Engineering at the University of Greenwich, followed by a Masters in Mechanical Manufacturing and Engineering. During both qualifi cations there was signifi cant practical experience in secondments to companies. During my fi rst degree I undertook a ‘Year in Industry’ with Npower CoGen in Aylesford and during my Masters was seconded to lighting specialists Heathfi eld and Company.
These experiences showed me what working life is really like made me realise how important work experience is – and how more girls might come into engineering if they could see engineering at fi rst hand while still at school. It gave me a real insight into what to expect in an engineering career after university, and the skills I learned have constantly come into play.
“More girls might come into engineering if they could see engineering at fi rst hand while still at school.”
I would advise any girls considering GSCE and ‘A’ Level choices to consider engineering very carefully. If you can do some work experience in an engineering environment it will enable you to see for yourself that there are lots of silly myths about what engineers do. I would also say don’t be infl uenced by what your friends are choosing. Your future is your own, so pick subjects you enjoy and if that leads to engineering, give it a try. I have certainly found engineering a great career so far.
“Your future is your own, so pick subjects you enjoy and if that leads to engineering, give it a try.”
My present job for Hanovia is as a Quality and Planning Engineer, involving quality assurance and internal process improvement, driven from statistical monitoring. It’s as far from the boiler suit and grease image as you can possibly get. In many ways it’s more like being an engineering detective, looking at evidence and making important decisions based on that evidence.
I hope more girls will take an engineering career more seriously and I also hope more companies will start offering work experience to younger people – and to girls in particular. All sizes of companies can help with this, ensuring that pupils at school understand more about engineering and that there are more experienced graduates out there when it comes to recruitment. I know that some companies are wary of putting resource into this type of activity, but with experienced partners like the charity Engineering Development Trust, who run a number of schemes, the complexity is less than might be imagined.
Providing work experience is a great investment in the future of the engineering sector where we must ensure that the number of women in engineering careers increases many times over to ensure that the industry has the skills it needs in the future.
Commenting on Gugu’s role at Hanovia, the company’s Managing Director John Ryan says: ““Ethnic and Gender diversity in our team makes us stronger and better able to respond positively to the needs of our diverse, global customer base. We’re delighted to have engineers such as Gugu in our team and I hope her story encourages more female students to consider a career in engineering. Unfortunately when we recruit we see very few female applicants and this can only change by offering a much more engaging perspective of what it means to be an engineer, so students can make an informed choice, not one based on an outdated notion that actually was never really true.”
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IET Annual Buyers’ Guide 2016/17
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