Safety


gas detectors so that workers can quickly see that their colleagues have remembered to wear their gas detector. At 7Solutions we use orange on our WatchGas range because, as a Dutch company, it is our national colour”.


So, if these gas detectors are so important, how can personnel be sure they are working when needed? Slootjes continues, “every day, gas detectors need to be ‘bump tested’. This means that a small amount of test gas will be applied to the gas detector to check if the sensor and the acoustic and visual alarms are still operational. Beyond that, usually every 6 months, most gas detectors need to be calibrated. But, there are some gas detectors, like our WatchGas PDM which may be used maintenance free for 2 years in many applications.”


Gas Detector Maintenance and Sensor Calibration


The daily functional test is good enough to say that the detector functions and produces an alarm, but it is not a precisely controlled calibration event. Whilst the functional test generally occurs on the refinery, the calibration generally takes place at an off-site service laboratory. Alternatively, the detector can be returned to the manufacturer’s service facility for a general overhaul which may also involve replacement of some of the sensors contained in the gas detector. The calibration frequency can range from once per month to once per year depending on local regulation, how adverse the conditions are and the sensor technology used.


Author Contact Details Author.Company Name in Bold


On this topic of gas detector calibration, let’s turn to another heavyweight in the gas detection industry, MSA. Jackson Machado, their National Service Supervisor in Brazil adds, “we have the Cgcre which is a division of our national metrological institute INMETRO. Cgcre is the agency responsible for the accreditation of laboratories. They require the issuance of a calibration certificate based on the use of gas mixture cylinders which are classified as primary standards”. Primary standards would, for example, be calibration gas reference materials accredited to ISO Guide 34 or ISO 17034:2016.


Sensor Calibration Gas Mixtures


The availability of ‘bump test’ gas mixtures is generally high. Many specialty gas suppliers around the world are able to produce cylinder gases for this purpose because the certification and accreditation requirements are relatively straight forward. The availability of accredited ISO Guide 34 calibration gas mixtures is, on the other hand, not such a simple matter.


Victor Chim, Business Development Manager at Coregas Pty Ltd in Australia comments, “our pedigree has grown from serving our gas detection customers in Australia. We have been working very closely with them and with the national accreditation body NATA for many years to develop a range of ISO Guide 34 calibration gas mixtures that can be used as reference materials for gas detector


sensor calibration.” The accreditation authority responsible for Coregas production and testing operations is NATA, the National Association of Testing Authorities Australia, which is the sole accreditation body in Australia. Their reputation is global and they currently hold the secretariat for the International Laboratory Accreditation Cooperation (ILAC). Chim continues, “in recent years, our reputation and our specialty gas cylinders have been travelling abroad and we are proud to be a supplier to many multi-national gas detection device manufacturers and local gas detection device servicing companies overseas”.


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Stephen B. Harrison. sbh4 GmbH • • Address • Tel • 82538 Geretsried, Germany • Tel: +49 (0)8171 24 64 954 • Email: sbh@sbh4.de • Web: www.sbh4.de Kranzlstraße 21, Email: • Web: In bold


GasClam 2 in-borehole continuous ground gas monitor


Latest version of portable instrument helps reduce risk by improving site management and event flagging plus shows due diligence and best practice ION Science manufacturer of high performance gas detection instrumentation for global occupational health and environmental monitoring applications - has enhanced its [GasClam 2 in-borehole continuous ground gas monitor](https://ilmt.co/PL/wL6K) for better management and prediction of risks associated with ground gas emission and migration.


The latest version of the portable GasClam 2 features a new battery management system which allows up to three months’ continuous, unattended operation in the field, based on hourly sampling. An external power supply option is also now available. Plus new instrument firmware and user software means better informed decisions can be made as a result of more accurate and reliable data.


Designed to fit in to a standard 50mm borehole, the Ion Science GasClam 2 allows continuous, unmanned monitoring of ground gases such as methane, carbon dioxide and oxygen concentrations as well as atmospheric pressure and temperature. Optional CO, H2S and VOC plus water depth are available.


With a robust stainless steel design and IP-68 water ingress protection rating, the GasClam 2 is ideal for a range of monitoring applications including landfill perimeters, brownfield site investigation, shale and coal bed, vapour intrusion studies, waste management and refineries and petroleum storage.


It is intrinsically safe and ATEX approved so can be used on sites where there are potentially explosive ground-gas concentrations.


Duncan Johns, Ion Science’s Managing Director comments: “The GasClam 2 is a revolution in gas management and helps reduce risk by improving site characterisation and event flagging. It also provides complete data for site assessments and demonstrates due diligence and regulatory compliance.


He adds: “The GasClam 2 ensures a best practice approach to ground gas monitoring and enables selection of most suitable site base lining prior to monitoring, as well as during and post operations. It reduces uncertainty whilst increasing confidence by allowing impact to be understood, managed and reported.” The GasClam 2’s sampling frequency can be set and is variable from every two minutes to daily. Data can be downloaded to a PC.


World’s first cellular-connected gas detector with integrated pump changes gas monitoring for confined space


For More Info, email: email:


At the recent 27th World Gas Conference 2018 in Washubgton DC, Blackline Safety Corp. announced a new multi-gas cartridge with a built-in pump to monitor atmospheric hazards when entering confined spaces and performing leak checks.


“Around the world, thousands of employees enter confined spaces every day, including sewers, tanks, silos, storage bins and underground vaults,” says Glen Silver, Director of Sales, North America at Blackline Safety.


For More Info, email: email:


“Confined space entry is a high-risk, heavily regulated activity. Using our G7 Insight package with G7c detector, pump cartridge and online data analytics software, businesses will know which personnel are entering confined spaces, what spaces are being entered, the time spent inside and whether gases were encountered.”


Blackline’s G7c is the world’s first and only connected gas detector with plug-and-play gas sensor cartridges. Shipping in the fourth quarter of this year, all G7c detectors can be equipped with the new multi-gas pump cartridge for use during confined space entries and leak checks. Blackline offers customers a lifetime warranty for all gas sensors and pumps — should a sensor fail testing or calibration, or if a pump stops working — cartridges are easily replaced in seconds with no downtime and at no additional cost to the user.


“Businesses routinely perform leak check surveys but data collection and documentation is a manual process. With G7c and our new pump cartridge, all gas samples are automatically uploaded to the Blackline Safety Network, driving our data analytics software. If any leaks are found, businesses will know where they are and can plan proactive maintenance to reduce emissions and prevent issues from becoming worse over time,” says Mr. Silver.


Blackline’s new multi-gas pump cartridge is part of the award-winning G7 connected safety portfolio that delivers leading wireless gas detection, real-time compliance, business analytics and productivity- improvement within a single, wearable device.


G7 solutions are supported by industrial-grade, cloud-hosted software and services that support a range of options including a broad line of gas sensors, proprietary indoor location technology, real-time alerting to a live monitoring team, emergency response management, mass notifications, two-way voice calling and satellite connectivity.


For More Info, email: email:


For More Info, email: 46608pr@reply-direct.com AUGUST / SEPTEMBER • WWW.PETRO-ONLINE.COM 46559pr@reply-direct.com


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