diffusion tube News

  • AQMesh can also be scaled using diffusion tubes

    The AQMesh team has carried out a test which shows that calibration (scaling) of AQMesh against one, or ideally several, diffusion tubes, is a viable option when no local reference station is available. When three AQMesh pods and four NO2 diffusion tubes were co-located against a reference station, the diffusion tube readings were so consistent with the reference average reading for the period ...


    By AQMesh

  • New practical guidance on using diffusion tubes has now been released

    NO2 Monitoring has now been released. The document presents the findings of the Working Group on harmonisation of NO2 diffusion tube preparation and analysis methods, led by AEA Energy & Environment and Air Quality Consultants on behalf of Defra and the Devolved Administrations. The guidance is primarily written for laboratories that supply and analyse diffusion tubes, but also contains ...

  • Analysing air quality monitoring data for Hackney, London

    The CERC consultancy team compiled annual monitoring data statistics for nitrogen dioxide (NO2) diffusion tube and continuous monitoring as part of the London Borough of Hackney's yearly report to the Greater London Authority. The work involved the preparation of tables and graphs ...

  • Waterloo Emitter™

    The Waterloo Emitter is a simple, low cost device designed for the controlled and uniform release of oxygen, or other bioenhancing amendments, to encourage and sustain the growth of microorganisms required for in-situ bioremediation of contaminated groundwater. The patented technology* enables steady, direct diffusion of oxygen into an aquifer through pressurized silicone or LDPE tubing. ...


    By Solinst Canada Ltd.

  • Gradko Attending the Air Quality and Emissions Show 2013

    Gradko will be attending the AQE 2013 show in Telford on 13-14th March. This years show is an expansion of the usual MCERTS exhibition to include all aspects of air quality monitoring, allowing visitors to see all the latest technology at one event. We will be exhibiting our full range of diffusion tubes for monitoring of VOCs, NO2, NOx, O3, SO2, Acid ...


    By Gradko International Ltd

  • Solinst emitter gets positive response at battelle

    Battelle held their Tenth International In Situ and On-Site Bioremediation Symposium from May 5-8 in Baltimore, Maryland. The Symposium featured 420 platform and poster sessions, as well as an exhibit hall with 56 companies displaying bioremediation related services and instruments. It was another successful show for Solinst. There was a large amount of interest in the Waterloo Emitter™, ...


    By Solinst Canada Ltd.

  • Solinst emitter gets positive response at battelle

    pBattelle held their Tenth International In Situ and On-Site Bioremediation Symposium from May 5-8 in Baltimore, Maryland. The Symposium featured 420 platform and poster sessions, as well as an exhibit hall with 56 companies displaying bioremediation related services and instruments. It was another successful show for Solinst. There was a large amount of interest in the a ...


    By Solinst Canada Ltd.

  • Larson Electronics releases a Four Foot 28 Watt LED Light Bulb

    Larson Electronics has developed a new 28 watt LED tube lamp that is an excellent choice for upgrading existing T8 fluorescent lamp fixtures as well as a direct replacement for our own LED light fixtures. These are the first generation of our 28 watt LED tubes and they produce a total of 3,500 lumens per bulb. The ...


    By Larson Electronics LLC

  • EKO Instruments sunshine duration and DNI sensor

    Recently, the National Renewable Energy Laboratory (NREL) published the latest version (second edition) of the Best Practices Handbook for the Collection and Use of Solar Resource Data for Solar Energy Applications. In addition to describing the typical radiometers used to measure direct normal irradiance (DNI) and diffuse horizontal irradiance (DHI), there is a section on instruments that derive ...


    By EKO Instruments

  • BIBUS - Your one stop warehouse

    Environmental technologies: BIBUS rounds up their Product Portfolio One-Stop-Warehouse for your Environmental product needs! The BIBUS group with more than 20 subsidiaries and partners worldwide has enlarged their product portfolio for Environmental technologies and Waste Water Treatment Industries. BIBUS started more than 10 years ago as an exclusive partner and distributor of SECOH air ...


    By Bibus AG

  • Your guide for top innovations and where to find them at AHR Expo 2017

    Innovation will take center stage at the AHR Expo 2017. The Innovation Awards recipients this year represent the very forefront not just of HVAC, but of the trend toward automation, smart buildings and Internet of Things integration. This new industry trend, poised to explode in the coming year, can save your company and clients tens of thousands of dollars through efficiency and optimization. ...

  • Fast uptake Nitrogen dioxide and VOC monitoring using passive sampling techniques - Rapid Air Monitors

    Leading supplier of air pollution monitoring equipment, Gradko Environmental, is pleased to announce the first products in its new range of Rapid Air Monitors. Environmental consultants globally have been looking for faster passive methods of measuring ambient air pollution, particularly for inorganic compounds. Gradko have responded to this market need with the introduction of the Rapid Air ...


    By Gradko International Ltd

  • AQMesh measures SO2 and PM from Nicaragua volcano

    AQMesh is currently in use in Nicaragua, monitoring air quality in communities living near Masaya volcano. The six AQMesh pods have been used to show variations in volcanogenic SO2 and PM levels at different times and at different locations across the area. The pods, which have independent power and communications so they can be mounted where ...


    By AQMesh

  • Plug-in and see: new device from Enviro Technology fills gap in UK air quality data

    A device that plugs a gap in air quality data looks set to revolutionise the UK’s air quality monitoring market. The CanarIT from AirBase is a multi-sensor air quality monitoring device that has been designed as a low-cost, indicative alternative to traditional AQM stations. The device – brought to the UK market by Gloucestershire-based Enviro Technology Services – uses ...

  • Larson Electronics releases a 104 Watt Low Profile Explosion Proof LED Light Fixture

    Industrial lighting specialist Larson Electronics has announced the release of a 104 watt explosion proof low profile LED light fixture that provides operators with a powerful and energy efficient alternative to traditional hazardous location luminaries. The ...


    By Larson Electronics LLC

  • New lake bed Aquaerator reduces long term water maintenance costs

    Aquarius Marine Group (AMG), a specialist in water quality solutions and consultancy for water utilities and fisheries, has announced a new version of its water aeration and mixing solution. Called the Aquaerator, this innovative, patented technology is designed to improve the health and oxygenation of reservoirs and lakes, and to satisfy water quality maintenance in compliance with the 2015 ...


    By Aquarius Marine Group Ltd

  • AQMesh: a new option for flexible air quality monitoring

    AQMesh has an impressive collection of global users and performance results measuring ambient air quality in applications ranging from traffic planning and urban hotspots to industrial fence line monitoring, building ventilation management, or environmental lobbying. This pole-mounted unit comes with an independent power supply and communications, so offering the possibility of measuring air ...


    By AQMesh

  • Economic incentives for bringing e-waste into the circular economy

    An economic analysis of 14 common categories of waste electric and electronic equipment (WEEE) has highlighted the economic value of bringing ewaste streams into the circular economy. The overall worth is calculated as €2.15 billion to European markets, with a potential rise to €3.67 billion as volumes increase. WEEE represents the widest source of waste in the world. Every year, ...

  • Daisy Chain Connection Explosion Proof String Light Set Released by Larson Electronics

    Larson Electronics announces the release of a 156 watt low profile explosion proof string light set designed to allow daisy chain connection of multiple units to extend the light output in a work area. The EPL-SL-3-LP24-LED-E2E explosion proof string light ...


    By Larson Electronics LLC

  • AQMesh can complement air quality models, reference and indicative data sources

    Leading air quality small sensor system, AQMesh, has recently been shown to work alongside passive samplers and air quality models, as well as complementing reference station networks. A recent study shows AQMesh calibration against diffusion tubes and two 2017 conferences have highlighted the potential of such systems used in an air quality network. At the Dispersion Modellers User Group Meeting ...


    By AQMesh

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