Water / Wastewater 39 Two Flow Outputs Make the Perfect Small Works Flow Monitoring Solution
A discussion at one of Pulsar Process Measurement’s (UK) regular training sessions has led to an unusual application for an Ultimate Controller – measuring and logging open channel flow on a storm overflow flume at the same time as logging measurements from a magflow meter between an inlet works and Activated Sludge Process (ASP).
Environment Agency (EA) controls mean that it is more important than ever to be able to measure and accurately report flow to a watercourse. At Itchen Bank WTW, a small site near Coventry operated by Severn Trent, measurement on the rectangular outlet flume would be a straightforward application for a Pulsar Ultra non-contacting ultrasonic unit. However, they also needed to log the output of a twenty year old magflow meter that was measuring between the inlet works and the ASP. Severn Trent had already specified two Pulsar Ultra units for the task when Instrumentation Engineer Kevin Currell attended a training course at Pulsar’s Malvern factory. He said ‘We have a great relationship with Pulsar, and we were talking about possible new ideas when I asked whether they made a unit with two milliamp outputs’.
Pulsar’s touch screen Ultimate Controller, although primarily an intelligent pump controller, was perfect for the job. Ultimate Controller accepts a 4-20mA signal from the magflow meter, and uses that signal to control the inlet works penstock using its inbuilt relays. At the same time, Ultimate Controller ultrasonically measures flow in the rectangular outlet flume. With two current outputs on hand, magflow and flume measurements are supplied directly to telemetry and made available for further processing.
The large touch screen display shows the flow rate from both the magflow and the flume, along with relay positions and every other parameter of the operation. As Kevin Currell said, ‘It was a real Bingo moment for me, I could immediately see how we could do the job without having all the hassle, cost and inconvenience of
installing and programming two separate units. We find the Ultimate Controller a very user-friendly product – touch screen, easy to navigate. We have a million and one things to look after and we don’t want to have to wrack our brains on site. Self-explanatory icons and a touch screen, that’s what we want.’
Pioneering Real-Time Event Detection Solution Presented at SIWW 2016
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s::can (Austria) presented this week in Singapore a worldwide pioneering system to monitor water quality in urban supply networks in real time. s::can has been selected by the Singapore International Water Week (SIWW) to present this project to other companies and public authorities
from all over the world. This event, held every two years, is part of the Singapore government program to develop the water industry sector, and gathers together international players in the field to share experiences and best practices, discover the latest technology trends and to close business opportunities.
The s::can system controls in real time water quality via the installation of sensors placed at different points along the supply network, monitoring up to 10 parameters. In addition to determining the most standard parameters, such as chlorine and pH, it also monitors others, thanks to the spectro::lyser - an optical sensor measures color, turbidity, total and dissolved organic carbon and nitrates. Data is then sent out continuously and automatically from a terminal processing all the information and warns the water supplier of possible incidents –such as the presence of compounds not usually found in water, or a pollutant, for example – both via warnings to the control centre or to a mobile phone. According to Dr. Jordi Raich, Managing Director s::can Iberia, “it is a pioneering project at an international level and we have been selected to give a presentation at the Singapore International Water Week, which is not that easy. We are very satisfied; we know we will be heard by worldwide leading water sector companies, public authorities and representatives of cities seeking solutions like ours.” So far, Raich said, “to analyse the quality of water, supply management companies had to take water samples, send them to a laboratory and analyse them. With this system, however, we change to a preventive management system”.
Radar Steps into New Dimensions
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Micropilot FMR10 and FMR20, from Endress+Hauser (Switzerland), belong to the first non-contact radars with Bluetooth commissioning, operation and maintenance app. Signal curves can be shown via app on every Bluetooth enabled smartphone or tablet (iOS, Android). This increases plant availability due to fast access to maintenance information, and guarantees cost savings because of the usage of existing non-proprietary tool infrastructure. Furthermore FMR10 and FMR20 are the most compact radars in their class thanks to unique radar chip design.
The full PVDF body of the device resists outdoor conditions and guarantees a long sensor lifetime. Sealed wiring and fully potted electronics eliminate water ingress and allow operation under harsh environmental conditions, which means enhanced availability. Also in hazardous areas or places difficult to reach, safe and secure wireless remote
access via Bluetooth offers a lot of advantages. There is no additional tool and adapter or wiring effort required. It is as simple as this: Connect – set – ready!
The communication is absolute secure due to encrypted data transmission and password protected communication so that unauthorised access or manipulation is not possible.
Endress+Hauser as full service supplier offers a broad range of technologies to find the best fit for every application – be it ultrasonic, hydrostatic or radar. Find out more on
www.endress.com
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39796pr@reply-direct.com
Endress+Hauser Instruments International AG Kaegenstrasse 2 4153 Reinach Switzerland
info@ii.endress.com www.endress.com
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Clear, sparkling thinking
As budgets shrink and legislative demands soar, we bring expertise for challenging needs. Safe potable water… discharges, environmental penalties... water infrastructure for developing countries… energy mo- nitoring… the rising quantities of sludge from wastewater treatment and the opportunities they create for biogas. We make sense of it all, with experienced thinking suppor- ted by process technology solutions for your every need.
Through working with wa- ter in over 100 countries, Endress+Hauser offers a refreshing alternative.
www.endress.com/water 39522pr@reply-direct.com
Water is our life.
6675ad@reply-direct.com www.envirotech-online.com IET Annual Buyers’ Guide 2016/17
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