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which is suitable for health and safety personnel who want to carry out workplace noise assessments and comply with Noise at Work legislation. Designed for both industrial and office on‐site


measurement, the SP79 is a user friendly sound level meter which features A and C frequency weighting and fast and slow time weighing. Compact and lightweight in design, the SP79


offers ease of use and can be conveniently handheld for spot checking noise levels, or mounted on a tripod for longer term monitoring of Min/Max values.


BSEE WHAT’S NEW N


ow available from Martindale Electric – one of the most trusted brands in electrical safety – is the new SP79 Class 2 Sound Level Meter,


To feature in What’s New, call Claire Rixon on 01622 699198 Martindale Electric sets the tone with new sound level meter


Featuring an intuitive design to allow quick, simple and effective screen navigation, the large high contrast display also includes both digital and an analogue bar graph. Easy to operate, the robust SP79 complies with BS EN 61672‐1:2003 and comes supplied with a detachable windshield and a durable carry case for long term high performance. Also available from Martindale Electric is the SPC70 Class 2 Sound Level Calibrator. As with any noise measurement equipment, the sound level meter must be calibrated before and after each use to check that it is measuring correctly. 01923 441 717, sales@martindale‐electric.co.uk


www.martindale‐electric.co.uk Fan coil needs no commissioning C


Vent‐Axia supports local youth charity


rawley‐based Vent‐Axia, the UK’s leading ventilation company, presented a cheque to The Worshipful, the Mayor of Crawley, Councillor Raj Sharma on Tuesday 9th May to support the Mayor’s charity for 2016/17, Crawley Community Youth Service. The cheque was presented by Jenny Smith, Marketing Manager of Vent‐Axia in the Mayor's parlour in Town Hall, The Boulevard, Crawley, West Sussex RH10 1UZ. Vent‐Axia chose to support Crawley Community


Youth Service as its charity for its 80th anniversary year, 2016. To raise funds for this local charity, the company held a Christmas raffle, netting over £300 for the Service. Crawley Community Youth Service aims to encourage young people to be positive role models who can create engaged vibrant and equal communities throughout Crawley. It provides clubs for young people in Bewbush, Gossops Green and Langley Green. “Vent‐Axia is delighted to support Crawley Community Youth Service and help local young people,” said Jenny Smith, Marketing Manager of Vent‐Axia. “We were keen to support our local community when we picked our charity for the year and the Service is a great example of bringing the community together and empowering young people. We are delighted to be able to work alongside the Mayor in supporting their work.”


www.vent‐axia.com


he next generation of pressure independent control systems has been announced by Advanced Air. They have entered into a special agreement with Belimo and Advanced Air’s control specialist to design and develop an amazingly simple EPIV/Delta control package. The EPIV/Delta means that


T


the fan coil unit can be pre‐ commissioned in the factory with the set points for both water and airflow established and pre‐set so there is no need for any on site commissioning. The unit is fully


addressable from a hand held device where the unit can be easily checked to ascertain that the pre‐set values are being achieved even without the BMS working. The LED screen on the hand held device shows the engineer exactly what is happening with the fan coil unit. If changes to the fan coil performance are required due to design changes then the set points can easily be adjusted by the hand held device. All of this information is communicated to the BMS when it is fully operational. This simple single point complete


controls package means that everything is being supplied and fitted by the fan coil manufacturer.


Comparing the Electronic Pressure Independent Valve (EPIV/Delta) control system to the current Pressure Independent Control Valve (PICV) means there are no strainers, no binder test points, no complicated pipework, no commissioning.


Lighting Controls eliminates commissioning on CAT A installations


lighting control network to be checked before commissioning. In other words, the integrity of the installation can be checked when the network wiring is completed, and the lighting system fully working. All DALI strings are also tested. With this new and innovative protocol the building lighting is functional before a CAT B fit out but without commissioning costs. The area controller has four


L


buttons: Two to check that the lamps dim and brighten; one button to start the Test function; and, one button to cancel the Test function. Pushing the Test button causes the


ighting Controls’ new Area Controller comes with new test features, allowing a


uThe electronic pressure independant valve control system.


There are further benefits of creating pressure independence electronically compared to using PICV which can require 10‐20kpa. The EPIV does not need this pressure to operate it as everything is achieved electronically. Consequently there is a potential energy saving with lower pressure and smaller pumps. Andrew Sargent, Advanced Air’s General


Manager, said that the EPIV/Delta would revolutionise the fan coil market because the control system has single point responsibility, i.e. the fan coil manufacturer, and offers huge benefits to the designer and installer.


www.advancedair.co.uk G


lights to go OFF either for 20 minutes or until the Cancel button is pushed. After installation of the new area


controller and other components using the new protocol, all lights connected to the area controller are ON when activated by any PIR in the system. All luminaires remain ON until 30 minutes after any PIR has ceased to sense motion. The development of this new


protocol is the latest in a line of new products that reduces installation and maintenance costs while maximising reliability and flexibility. For more information about this and our latest new products visit:


www.lightingcontrols.ltd.uk


Ground‐breaking ventilation technology is hitting new heights with its latest derivative…


ilberts Blackpool, the UK’s leading air movement specialist, believes it was the


first manufacturer in its field to develop a hybrid system that utilises internal heat to warm incoming air through wall façade louvres without using a heat exchanger. Now a new version of the pioneering Mistrale Fusion System (MFS) has taken the same concept from façade to roof, with MFS‐V (Vertical). MFS‐V incorporates two Fusion


MFS128 units placed vertically into a rooftop penthouse turret, with a shaft up to 1500mm2 ensuring effective ‘stand‐alone’ ventilation of the space below. No additional ducting or plant is required. By routing the ventilation through the roof then internal spaces that have no external façade can still be efficiently ventilated, be it via natural or hybrid principles. The concept has already been


put into practice, at eight schools being built in the Midlands which feature enclosed single storey sunken garden ‘break out’ spaces over classrooms surrounded by a two‐storey building: the single


32 BUILDING SERVICES & ENVIRONMENTAL ENGINEER JUNE 2017


DEXX, the global leader in rapid microbiological testing for water, today announced the publication of a peer reviewed study1


I , “Evaluation of a


storey enclosed classrooms can still utilise the MFS strategy employed in the areas with an external façade by using the MFS‐V units sited in the sunken gardens. Just one MFS‐V roof unit can


ventilate a standard 32‐person classroom, achieving the 8litres/sec/person fresh air required by current Department of Education Building Bulletin (BB101) and PBSP guidelines‐ all for less than £5/room/annum (fan costs at current 2016 electricity rates). MFS‐V delivers all the benefits


intrinsic to the core MFS. The standard MFS‐V includes a mixing damper within modulates airflow to allow the new, fresh air to mix with the warm exhaust air, thus extracting its heat without the need for an exchanger.


www.gilbertsblackpool.com


most probable number method for the enumeration of Legionella pneumophila from potable and related water samples,” by leading water microbiology consultant, David Sartory, in Letters in Applied Microbiology. The paper concludes that the IDEXX Legiolert™/Quanti‐Tray® test is superior to the standard method for quantifying Legionella pneumophila (L. pneumophila), the primary cause of Legionnaires’ disease. The study compared


performance of the IDEXX Legiolert/Quanti‐Tray most probable number (MPN) method, with the ISO 11731‐2 membrane filtration method for the enumeration of L. pneumophila from 100 ml potable water and related samples. Data from a multi‐laboratory study analysed


1. The full text can be accessed at


http://onlinelibrary.wiley.com/doi/10.1111/lam.12719/full “Evaluation of a most probable number method for the enumeration of Legionella pneumophila from potable and related water samples” D.P. Sartory, K. Spies, B. Lange, S. Schneider, B. Langer


VISIT OUR WEBSITE: www.bsee.co.uk


according to ISO 17994 showed that Legiolert/Quanti‐Tray yielded on average higher counts of L. pneumophila. It also quantified the Legiolert medium as having a high specificity of 96·4%, and concluded that Legiolert/Quanti‐ Tray represented a significant improvement in the enumeration of L. pneumophila from drinking water‐related samples. The IDEXX Legiolert test is based on a bacterial enzyme detection technology that signals the presence of L. pneumophila through utilisation of a substrate present in the Legiolert reagent. L. pneumophila cells grow rapidly and reproduce using the rich supply of nutrients present in the Legiolert reagent. Actively growing strains of L. pneumophila use the added substrate to produce a brown colour indicator. Legiolert detects L. pneumophila at 1 organism in a 100 ml sample within 7 days.


www.idexx.com/water


Saniflo supplies The City of London University


innovative product range. The company recently supplied products to The City of London University Northampton Square site to provide additional science laboratories, accommodation and washroom facilities in a semi‐basement on the lower floors of the building, and all without interrupting the daily functioning of the facility. Working with Aveat Heating


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of Essex, Saniflo supplied 12 Sanicubic 2 Pro macerating pumps, several Sanispeed waste water pumps and Sanibest macerators in areas where mains drainage would have been too time consuming and expensive to install. The equipment was installed prior to an intake of students ensuring zero educational disruption.


www.saniflo.co.uk


New water study shows superiority of Idexx


Legiolert™ test in identifying Legionnaires’ disease risk


aniflo is making a difference in the educational sector with its


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