Water / Wastewater 29 New chlorine dioxide sensor
Endress+Hauser is developing a new platform for disinfection sensors. The new Memosens CCS50D chlorine dioxide sensor supports safe and effective disinfection for clean drinking water, pathogen-free cooling water and high- quality process water
Systematic disinfection is an essential step in water treatment and legally required in many areas to protect people and systems from
illness or damage. However, high doses of disinfectants such as chlorine and chlorine dioxide can be toxic, which means compliance with limit values for those disinfectants is also very important. The Memosens CCS50D chlorine dioxide sensor helps to achieve a safe and efficient disinfection by providing stable and fast measured values.
The chlorine dioxide sensor features a convex membrane made of dense, dirt-repellent material which prevents soiling and makes it extremely resistant to biofouling. Ultrasonic welding of the membrane to the sensor cap ensures its integrity, preventing dilution of the electrolyte. This guarantees long-term stable measurements and gives a plant manager the security that the disinfection process is running smoothly and the required results are achieved. High stability naturally also reduces maintenance.
Drinking water is a precious resource. That’s why minimum water loss is an important factor in drinking water preparation. Memosens CCS50D is able to deliver reliable disinfection measurements at low flow rates. In combination with the Flowfit CCA151 assembly, for example, the required flow rate is as low as 1.3 gal/h (5 l/h), which means only a minimum amount of water is consumed in the bypass and the required disposal capacities are reduced.
Many skids in the food and beverage industry use chlorine dioxide for disinfection. These skids provide only small-volume samples for dosing control. Thanks to its special membrane design, Memosens CCS50D provides a fast response time and supports precise dosing of chlorine dioxide even in these skids, leading to safe disinfection and cost savings for chemicals.
The chlorine dioxide sensor is equipped with Endress+Hauser’s proven Memosens technolog. Memosens allows for direct commissioning of new sensors without further calibration. During on-going operation, plant operators can pre-calibrate sensors in the lab, swap them into the process with plug & play, and thus continue measuring faster. Finally, contactless data transmission eliminates all measurement errors or even failures caused by humidity or corrosion.
Chlorine dioxide is more and more becoming a disinfectant of choice because its handling has become easier. Today, chlorine dioxide is available as a ready-to-use solution that does not require manual mixing or the application of chemical generators. Memosens CCS50D is the perfect sensor to support this trend. It helps plant managers comply with strict legal requirements on disinfection, whether it is in drinking water treatment, cooling systems, wash water for packed vegetables and salads, beverage production or desalination plants.
World’s first cellular-connected gas detector with integrated pump changes gas monitoring for confined space
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At the recent 27th World Gas Conference 2018 in Washington 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.
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“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.
“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.
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46608pr@reply-direct.com 2018 05 09-AO_Anz Environmental_130 x 185
mm_EN_end.indd 1 09.05.2018 09:52:31
www.envirotech-online.com IET November / December 2018
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