H2S sensor Articles

  • Is your Plant as tight as you think? Leak Detector for extremely toxic Gases, a Field Test Report

    Leak detection of commodity gases in chemical plants is a day-to-day practice. The sensor technology available for this application is field proven and reliable. No question about it, existing sensors will do the job. However, in plants manufacturing or handling extremely toxic substances, the picture is different. For example, take phosgene. The existing sensor technology for leak detection ...

  • Innovation and efficiency at the forefront of long-standing partnership

    Wiltshire-based Malaby Biogas operates one of the few independent anaerobic digestion (AD) plants in the UK, specialising in the diversion of food waste from landfill. Its Bore Hill Farm Biodigester provides a combined waste disposal and energy generation solution in one safe, clean and highly-efficient process and the facility has gained a wide-ranging ...


    By Geotech

  • Are environmental monitoring manufacturers pulling a fast one with back-to-base servicing?

    Geotech's users of environmental monitoring equipment are not alone in their frustration at having valuable equipment unavailable when they require servicing.  Is this just a money-making scam?  What do users get for their money?  By combining maximum possible local support with a 100-point factory full service schedule, Geotech believe they have the best balance of user ...


    By Geotech

  • Low level moisture measurement in Natural gas using a Lunable diode laser absorption spectroscopy (tdlas) based laser case study

    Introduction The measurement of water vapor in natural gas has long been of industrial importance, and has been addressed by a variety of analytical techniques over the years. Chief among these techniques has been the quartz crystal microbalance (QCM) based analyzers. The QCM technology is still the workhorse for production and pipeline applications, and the technique is considered by most ...

  • Why You Should Consider a Sample Conditioning Unit for Taking Low NOx Measurements When Using a Portable Emissions Analyzer

    Using state-of-the-art technology, we here at E Instruments create high-quality portable industrial combustion gas and emissions analyzers that are capable of taking precise, low NOx measurements for both NO and NO2. In particular, we recommend our sample conditioning unit to those of you who need to take accurate, low NOx or SO2 ...

  • SITRANS SL in-situ analyzer saves cost for a steel plant replacing existing extractive setup – Case Study

    The customer Steel industry plants all over the world have multiple processes, most of them emitting CO and CO2 in very high concentrations (tens of %). CO is used as a combustible due to its high calorific value. It is stored in a huge tank before it is used by the power plant next door. CO in such high concentration is explosive in presence of a few molecules of oxygen. Therefore, ...

  • The Other Side of Zirconium Oxide case study

    Regular Fuel Efficiency Applications Separate Oxygen and Combustibles Sensors In standard flue gas applications for Thermox analyzers, the user generally tries to extract the maximum energy from the fuel and transfers as much of that energy as possible to the process. These applications require the process to be operated as efficiently as possible by keeping both oxygen (excess air) and ...

  • Case study - Geotech’s first GA5000 landfill gas analyser takes 100,000 readings for SUEZ environnement

    Geotech’s first GA5000 analyser, manufactured three years ago, was recently spotted in the company’s calibration rig.  This portable landfill gas monitor was the first production unit of the newly launched GA5000 gas analyser range and has prompted Geotech to look into the analyser’s life since then. The analyser was on its sixth service since manufacture, under ...


    By Geotech

  • The importance of maintaining your fixed gas analyser

    Plant technicians rigorously check for contaminates within the digester and ensure that the performance is optimised but maintaining the gas analyser monitoring the whole process is often overlooked.  Many analysers are used in harsh and potentially explosive environments and so it is of paramount importance that the operation runs smoothly and safely. With simple maintenance of your ...


    By Geotech

  • Ensuring personnel safety in a confined space

    “There are no second chances with a confined space entry. It has to be right first time.“ Identifying a confined space… The HSE Confined Space Regulations 1997 define a confined space as: “A space of an enclosed nature where there is a risk of death or serious injury from hazardous substances or dangerous conditions” Some confined ...


    By a1-cbiss

  • FTIR gas analysis improves container safety

    Introduction Entry to freight containers represents a significant hazard to staff responsible for inspection, stuffing or destuffing because of the large number of airborne chemicals that can be present. Research in Germany and the Netherlands found hazardous levels of gases and vapours in around 20% of all containers and this level of contamination is now accepted as commonplace. It ...


    By Gasmet Technologies Oy

  • Stevens Water and US Farm Bill Helps Farmers Optimize Crop Irrigation & Fertilization

    Agriculture is a major element for survival of the human race and of the economic system. 42 percent of the world’s laborers are employed in agriculture, making it by far the most common occupation. With agriculture using approximately 60 percent of available freshwater withdrawals, concerns continue to grow over farmers implementing water conservation practices. ...

  • Smart Series-Odor Management

    Tackling odors at composting facilities is a manageable task made simpler by inventorying and treating all sources and tapping into technology advances. Perhaps one of the most difficult realities that had to be faced 15 to 20 years ago by the composting universe is that the phrase, “odor-free” - at least when it comes to composting - is probably an oxymoron. Feedstocks that biodegrade within the ...


    By BioCycle Magazine

  • Gas Analysis Improves Container Safety - Case study

    Entry to freight containers represents a significant hazard to staff responsible for inspection, stuffing or destuffing because of the large number of airborne chemicals that can be present. Research in Germany and the Netherlands found hazardous levels of gases and vapours in around 20 percent of all containers and this level of contamination is now accepted as commonplace. ...


    By Gasmet Technologies Oy

  • Industrial Temperature Monitoring Data Logger Systems

    CAS DataLoggers Offers Value-Added Service Do you need to monitor the temperature of industrial equipment or of an industrial process? At CAS DataLoggers we sell hundreds of industrial temperature monitoring devices and systems each ...


    By CAS DataLoggers

  • Distributed Measurements Unlock the Future of Design

    The next generations of materials and design will require sensing technologies that can monitor beyond the scope of point sensors such as thermocouples and strain gauges. New sensing platforms based on optical fibers can obtain spatially continuous, real time data, giving developers detailed insight across broad areas into how their materials and designs behave. Such systems also can sense ...


    By Sensuron

  • Gas Dilution With The Equal Capillaries Technique

    The advantages of the equal capillaries technique are surprising and leads to reach accuracy values of one order of magnitude higher than all the other dynamic dilution techniques. This comparison will be supported by analyzing the accuracy available with two different techniques. Nozzles (sonic or non-sonic) technique With this technique, a series of different size nozzles is used ...


    By Be.T.A. Strumentazione Srl

  • Vancouver, WA Salmon Creek, St. Johns Trunk - Case Study

    Summary Clark Regional Wastewater District commissioned a condition assessment on the Salmon Creek and St Johns Trunk reinforced concrete lines. For St. Johns Trunk, a 36-inch line, corrosion due to vapor-phase H2S was suspected and evidence was observed visually by CCTV. The District wanted to quantitatively determine the extent of corrosion and if/when future rehabilitation would be ...


    By SewerVUE

  • Denver Colorado - Harvard Gultch Interceptor - Case Study

    Summary Pipe penetrating radar (PPR), a new pipe inspection technology was used for condition assessment in a 27 inch interceptor in Denver, CO. Metro Wastewater Reclamation District (MWRD), the owner of the interceptor had limited information about the condition of the pipe, so they contacted SewerVUE in order to undertake a multisensory pipe condition assessment that included CCTV, PPR ...


    By SewerVUE

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