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  • Application Note: Networking Remote Gas Detectors with Ethernet I/O and a ControlLogix PLC
    In a wastewater treatment plant, remotely mounted gas detectors monitoring Methane CH4 (ceiling), Oxygen O2 (6 ft high) and Hydrogen Sulfide H2S (floor) have analog outputs. The gas levels need to be saved to chart recorders located in a control room a long distance away in the plant. To save
  • Gas Leak Detector-Application Note: COMPRESSOR STATIONS
    compressor equipment to high. stresses. For example, vibration and heat from. nearby machinery can produce cracks on seals and. flanges. Hydrogen sulfide, liquids, and undesirable. particles in the natural gas stream can corrode. pipelines and degrade components. Over time,. prolonged exposure
  • Application Note: Splitting Gas Detector Outputs for Monitoring & Process Control
    At a remote wastewater pumping station, Methane (CH4) and Hydrogen Sulfide (H2S) are monitored with MSA X5000 Gas Monitors. The 4-20mA outputs must be split to a GasCard XL Controller and Emerson Ovation I/O. The Controller has powered inputs but the Ovation inputs require an external power source
  • A Spectroscopy Guide for PAT
    , or oil in soy. Since the most common mode of operation was diffuse reflection, it seemed ideal for the powders, granules and tablets in pharmaceutical manufacturing. While work was done on apples and melons decades ago (USDA), new, sensitive detectors allow for quality transmission spectra through
  • Total Sulfur Analysis in Natural Gas with the 700XA Gas Chromatograph
    infrastructure. The Total Sulfur in Natural Gas standard application provides measurements down in the ppm range for Hydrogen Sulphide (H2S), Carbonyl Sulphide (COS), mercaptans, and sulfides (measured as RSH+). A Flame Photometric Detector (FPD) is used to give high specificity to sulfur species
  • Flammable Gas Sensors: Which is the Best?
    Flammable gas sensors monitor ambient air for flammable gases like propane, methane, butane, isopropanol, hydrogen or any of over a dozen gases that can easily ignite in air. Even though you don't see them, flammable gas sensors are everywhere. They are used to check for gas leaks in home gas

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