Continuous, real-time dust monitoring: a precision solution for all climate conditions.

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Airborne dust remains a major hazard to the mining industry in South Africa. Continuous, real-time monitoring of coal dust levels has been identified by The Minerals Council of South Africa, as one of the leading indicators in mitigating the risk of exposure. Access to real-time dust monitoring enables mining teams to make evidence-based decisions, exactly when needed, to minimise and prevent employee exposure to dust. Continuous, real-time monitoring also allows companies to evaluate the performance of control programmes that mitigate the release of dust during their mining operations.

Low-cost air quality monitors, manufactured in the UK and used worldwide 

The Praxis air quality monitor, designed and manufactured by UK company South Coast Science, is a low-cost, MCERTS-certified device developed for dust monitoring in harsh environments.

South Coast Science has demonstrated its expertise with monitors deployed on high-profile UK construction projects such as HS2 and numerous London boroughs. These provide threshold alerts for airborne dust levels and evidence of compliance with relevant UK legislation.

Using Alphasense optical particle counters, the Praxis can monitor particle sizes PM1, PM2.5 and PM10. Additionally, emissions from vehicles operating on-site can be monitored. The monitors also provide real-time air quality data for heavy traffic areas like ports, oil refineries and chemical plants.

Through its global distribution network, South Coast Science monitors are now used on 6 continents for applications as diverse as monitoring at drill pads in Denver USA, mining in Brazil and air quality research in Ghana.

Using Machine Learning for precision data in harsh climates

What sets the Praxis monitor apart is a commitment to precision data, above all else. The company has collaborated with the United Nations Environment Programme (UNEP) in several locations in North and West Africa, providing precise data across the African continent.

Praxis monitors use a proprietary machine-learning algorithm to correct for the effects of environmental interference. It does this in real time, providing a seamless data transfer to the AWS Cloud, which can be accessed by your teams as and when they wish.

Data quality has been independently validated, leading to MCERTS certification.  In addition, South Coast Science monitors already conform to the upcoming EU legislation governing air quality monitoring, CEN/TS17660-1.

Technical specifications for particulate monitoring  

All Praxis monitors use the Alphasense OPC-N3 optical particle counter which has been tested by research organisations and university laboratories worldwide.

Technical information for OPC-N3 sensor:

  • monitoring of PM1, PM2.5 and PM10,
  • class 1 laser classification,
  • operating temperature range of -10°C to 50°C,
  • capability to measure up to 2,000 μg/m3 (allowing precise readings in highly polluted environments).

To find out more about Praxis monitors and how they can be deployed for mining and dust monitoring applications, please visit our website or contact our Sales Director, David Johnson. Email: david.johnson@southcoastscience.com.

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