28 Air Monitoring
New heated VOC analyser is truly unique
Signal Group has announced the launch of a new, highly innovative, portable gas analyser, the SOLAR XPLORE. One of the company’s core technologies is Flame Ionisation Detection (FID) for the measurement of volatile organic compounds (VOCs), and the new instrument brings the unique advantages of the latest fi xed analysers to a compact, portable device that is set to dominate the market.
“There are two unique features in the SOLAR XPLORE that set it apart from any other analyser in the world,” explains Signal’s Stephane Canadas. “Firstly, we have taken the detachable tablet interface from our S4 fi xed analysers and built it into the new instrument. This will be an enormous benefi t for stack testers that have to travel up ladders and across roofs, because using the tablet, they will be able to operate the analyser wirelessly from a convenient location up to 50 metres away.
“Secondly, the new analyser can be fi tted with twin FIDs, which means that users will be able to monitor total VOCs, methane, and non-methane VOCs (NMVOCs) simultaneously.”
The new SOLAR XPLORE is also supplied with an ethernet connection and software to enable remote operation. This means that users will be able to manage the analyser and monitor the data from almost anywhere in the world.
New design features include an inbuilt datalogger and a lightweight but robust frame. However, users will be particularly impressed with the chassis design, because it allows the internal electronics to simply slide out on a rail and unfold for maintenance operations.
Summarising, Stephane says: “Anyone with responsibility for monitoring VOC emissions, especially if they need to discriminate NMVOCs, will be tremendously excited by this development. As a portable heated FID, the SOLAR XPLORE offers everything that our customers wish for, and more, so we share their excitement!”
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Fine particle measurement solutions
Advanced fl ow measurement solution for wastewater and industrial applications
GWF MessSysteme AG have used the latest state-of-the-art technologies to develop their Q-Eye PSC for measuring water and wastewater fl ows precisely and reliably and then provide the requisite connectivity to make sure that the data generated is important, accurate and useful information. These instruments are ideal for applications such as inlet fl ows at wastewater treatment works, storm outfl ows and industrial sewer fl ow monitoring.
The Q-Eye PSC area velocity meter provides precise measurement of open channel and partially fi lled pipe fl ows utilising pulse–coherent cross correlation. This world class technology performs both level and velocity measurement in one instrument. Water fl ow is monitored in up to 32 cells, to ensure that velocity profi les are measured accurately.
Operators can mount the sensor off-centre by up to 15° and the device will compensate for any misalignment during installation. A wide range of accessories are available to overcome whatever installation issues may arise. This unique, compact instrument has been designed to reduce fouling and therefore lessen the need for time consuming and expensive service visits, as well as helping reduce health and safety risks.
The Q-Eye transmitter is equipped with multiple industry standard outputs such as 4-20 mA, MODBUS and Pulse. These instruments have an on-board web server enabling connection from any standard web browser that allows remote set-up and parameterisation using the GWF WebUI application.
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Air pollution is a global health emergency, says WHO email:
Ahead of last year’s United Nations Climate Change Conference, 450 medical organisations – representing over 45 million healthcare professionals across 102 countries – signed an open letter to the delegates. This so-called ‘climate prescription’ set out a range of measures to tackle climate change in the interest of preserving public health.
‘Wherever we deliver care,’ the letter declares, ‘we are already responding to the health harms caused by climate change.’
The usual suspects are named, of course – malnutrition caused by drought, injury caused by extreme weather, and the rise of new vector-borne diseases. But the signatories place a greater emphasis on a surprising factor: air pollution. And they’re not alone.
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The World Health Organisation recently released another instalment in its popular YouTube series, Science in 5, which reiterated the group’s long-held conviction that air pollution is a ‘public health emergency’. It’s only short, but the video covers a lot of ground, placing the problem of air pollution in the urgent context of both the pandemic and the climate crisis.
In 2019, the World Health Organisation published a report into the leading causes of death worldwide. One of its most troubling statistics shows that more than half of all annual deaths are the result of just ten illnesses.
In descending order, the leading causes of death are: ischemic heart disease, which is responsible for 16% of global deaths every year; stroke, which is responsible for 11%; chronic obstructive pulmonary disease, 6%; and lower respiratory infections – the deadliest communicable disease – which causes just over 5% of annual deaths.
In the latest instalment of Science in 5, the World Health Organisation asserts that all of these illnesses can be linked to air pollution. Such an extensive infl uence may be terrifying, but it promises somewhat miraculous effects if air pollution could be effectively tackled – indeed, the WHO estimate that a shift in levels of air pollution towards those suggested in the Organisation’s guidelines might bring about a reduction in global deaths of 80%.
If addressing air pollution will improve public health in general, then, could this also mitigate the effects of specifi c illnesses, like SARS-CoV-2?
A meta-analysis conducted early in the pandemic by a group of researchers in the Chinese Republic found that out of 34 studies, there was a pattern of comorbidities for patients with COVID-19 whose outcomes were severe or fatal.
Although the most dangerous comorbidities are those without clear links to air pollution, like hypertension and diabetes, a number of those illnesses highlighted by the World Health Organisation are pulling their weight, too. For instance, cardiovascular diseases, which can be initiated by inhaled pollutants breaching pulmonary arteries and fi nding their way to the heart, were present in 13% of severely- and fatally-ill patients, and so were respiratory diseases, which were found in 8% of such patients.
There have been big improvements in Europe and North America in the last 20 years.
In cities, less cars and the tackling of congestion, more public transport powered by sustainable, clean energy. In the UK, this is Clean Air Zones.
The big thing, though, and why the open letter was addressed to COP26 is that ceasing to burn fossil fuels will help – its effect on air pollution is partly why the WHO thinks that continued climate change will cause 250,000 additional deaths every year between 2030 and 2050.
It is not so much the initial pollutants themselves but their after-effects. For More Info, email:
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Dekati’s wide range of fi ne particle measurement solutions for emission measurements were recently displayed at the virtual exhibition of the CEM 2022 conference! Dekati showcased their solutions for continuous particle measurements that can be used to measure emissions from practically any sample conditions. The latest additions to our product line include the Dekati®
eDiluter™ Pro 1200C system that enables
+ particle analysers, Dekati can offer complete measurement solutions for detailed real-time particle size distribution measurements 6 nm-10 µm in practically any environment. Dekati also be showed the High Temperature version of the ELPI®
ELPI®
180 °C aerosol samples without the need to dilute or cool the sample.
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IET ANNUAL BUYERS’ GUIDE 2022/23
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measurements even from up to 1200 °C. Combined with the Dekati®
New continuous mercury emission monitor for fl ue gas analysis
email:
ENVEA’s SM-5 CEMS Hg analyser provides extremely precise and dependable continuous measurements of very low concentrations of mercury (Hg) in fl ue gas emissions. The SM-5 offers operators rapid response times, dynamic ranges and stable measurements
+ that allows direct measurement of up to
This robust and reliable analyser is ideal for operation in all types of waste Incineration plant, coal-fi red power plants (before and after mercury absorbers) and cement kilns. Whether you are measuring Hg at a sulphur acid production plant, carrying out thermal treatment of soil contaminated by hazardous waste or working at a metallurgical facility with potential Hg emissions…the SM-5 offers accuracy, reliability, peace-of-mind and compliance with global environmental regulations.
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