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UK Focus MCERTS: Ultrasonic Flowmeters Focus


Sira Environmental Ltd delivers the MCERTS certification schemes, including MCERTS flowmeter certification, working closely with the Environment Agency (EA) to implement the required standards. The MCERTS standard for Flowmeters was published in its current version (2.1) in March 2008. The standard specifies


performance requirements and test procedures for flowmeters used for the monitoring of raw water abstraction, treated wastewater discharges from industrial processes, ultraviolet disinfection processes and industrial processes.


The standard applies to flowmeters making measurements of volumetric flow-rate or total volume passed in closed pressurised pipes, partially filled pipes and open channels. It also covers instruments which make measurements of fluid velocity, differential pressure or liquid level from which the instrument calculates, and outputs, a value for volumetric flow-rate or total volume passed.


There are now a number of MCERTS certified ultrasonic flowmeters available for use in open channels. MCERTS certified instruments are available from Emerson Mobrey, Pulsar Process Measurement and Siemens.


Derek Moore, Product Manager at Siemens Industry Automation and Drive Technologies gave his views on the MCERTS scheme, and how it has impacted on his company:


What advantages has MCERTS brought to your organisation?


“MCERTS has brought a level playing field in the market place which further assures our customers that they are purchasing a quality product that has been externally tested by an independent body to meet the requirements of open channel flow applications.”


Why did you initially seek certification on your products?


“As the global leader in the supply of ultrasonic products, Siemens understand the pressures set on our customers to meet new local legislation requirements. By certifying our products, we saw this as further way to strengthen the partnerships with our framework customers.”


Have you noticed an increase in demand for MCERTS products in the market?


“Siemens products sales continue to grow year on year and we believe that the demands set on our customers to comply with new legislation contribute to this success.”


Ultrasonic flowmeters in the field


Ultrasonic flowmeters are used extensively throughout industry and particularly in the water industry, where self-monitoring of effluent flow has been a requirement since 2004. More recently, the requirement for self monitoring of effluent flow has been extended to other industries too.


Industrial process operators therefore have a choice when specifying ultrasonic flow monitoring instruments. Each of the three manufacturers has submitted samples of their instruments for test, both in the laboratory and in the field. The resulting MCERTS product conformity certificate provides independent, verifiable evidence that the Environment Agency’s performance requirements have been met. Furthermore, it provides an assurance that the manufacturers own performance specifications are realistic.


MCERTS certificates have a validity period of 5 years after which, each instrument must undergo recertification. To recertify, the instrument must meet the requirements of the current MCERTS performance standard. This ensures all manufacturers are working to the same benchmark, and encourages continual improvement of products.


The Environment Agency’s Operator Monitoring Assessment Scheme (OMA) has been extended to cover emissions to water for over a year now (from April 2009). This has resulted in significant interest, amongst process operators, in MCERTS certified monitoring equipment, as it enables a process operator to gain a high score for certain sections of their OMA audit.


There has also been significant interest in MCERTS certified monitoring equipment, amongst manufacturers this year, with many of them working towards obtaining certification in time for the WWEM tradeshow in November.


More information about MCERTS (and the MCERTS standards) can be found at www.mcerts.net and existing MCERTS certificates and Sira services can be accessed at www.siraenvironmental.com. Alternatively your can email us at info@siraenvironmental.com


Footnote: If you are a manufacturer of MCERTS equipment and would like Sira to feature your product range and the impact MCERTS certification has had on your organisation, please contact Sira at info@siraenvironmental.com


Reader Reply Card no 184 Radio-Tech and GES form Legionella Monitoring Partnership


General Environmental Services Ltd (GES Water and GES Technology) has signed a distribution agreement with Radio-Tech (UK) to provide its clients with aquavision, Radio-Tech’s wireless legionella* management system.


GES supplies customers with water treatment and hygiene programmes and legionella monitoring forms a core part of its business. Kevin Bloodworth, Director of GES Technology is responsible for driving innovation and looked at several methods of improving legionella control. He commented:


“We found that Radio-Tech’s product was by far the best product on the market. aquavision goes above and beyond the minimum standard of legionella monitoring set out in HSE’s ACoP L8 guidelines. Clients get a better overview of the system and it enables them to identify problems that they wouldn’t otherwise be able to see, so it’s a great investigative tool.”


aquavision works by wirelessly monitoring water temperatures at multiple sites from


any internet enabled location. It is a fully automated system that has been developed to assist water treatment companies, facility management and property management companies to comply with current guidelines and legislation.


Kevin noted that Radio-Tech’s product enabled GES to give clients an all-round better service:


“With aquavision, the process is automated so clients don’t have to remember to manually check temperatures every month, or make sure the contractor has been in to do it. It also helps us cut down on the number of vans we send out thereby improving our costs and environmental footprint”, Kevin said, adding, “We can also offer aquavision to clients on a lease basis which provides a much-improved and cost- effective solution to customers.”


Using aquavision to wirelessly monitor water temperatures is less invasive than the traditional method of manually checking and automatically flushing outlets on each floor of a building.


Reader Reply Card no 186 Reader Reply Card no 187 Reader Reply Card no 185


Enviro Technology Services (UK) is pleased to announce the availability of the latest gas analysers on the market from Teledyne-API.


The T-Series models (T100, T200, T300 and T400) monitor


levels of SO2, NOx, CO and O3 respectively and feature amongst other things a large, multi-colour touch-screen


display/GUI. For the T200 NOx Analyser, which is expected to be a


best-seller, the levels of each gas (NO, NO2 and NOx) can be seen on the screen simultaneously.


Each model includes LAN/Ethernet local area network capability as standard and are fitted with two front panel mounted USB ports for use with data sticks, computer mouse or other USB devices.


For the first time, an 8 x channel analogue input module is available as an option which can be used for logging data from other sensors such as met sensors etc.


Duncan Mounsor from Enviro Technology said: “These latest gas analysers are the most versatile and capable on the market. Teledyne has built upon the success of their previous E-Series models and created a range that is more technologically advanced, easier to use and has greater flexibility.


We are confident that the T series will be a popular choice for companies or individuals who are looking for the latest air quality monitoring equipment.”


The T series analysers have fold down front and rear panels which create easy maintenance access and filters can be changed quickly without delay. The analysers can be operated remotely; they have MCERTs approval and are available now from Enviro Technology.


New Gas Analysers Launched


IET


November/December 2010


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