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optical monitoring Applications

  • Fibre Optic Distributed Temperature Sensing for Borehole Flow Monitoring

    Subsurface environments are critical not only as water resources but also for energy use including geothermal, CO2 sequestration and oil & gas operations. These sensitive environments are directly affected by anthropogenic activities, hence monitoring is essential. Temperature offers insight into a variety of physical properties and can be used for flow monitoring and flux quantification in the subsurface. Traditionally, point sensors have been used to collect temperature data; however, significant limitations exist.

    By Silixa Ltd based in Elstree, UNITED KINGDOM.

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    Monitoring solutions for the opacity and dust monitoring

    There is a requirement for many small boiler operators to monitor Opacity to determine the smoke density emitted from the boiler. On small boilers we recommend the DCEM 1001 Opacity monitor; this simple, low cost monitor   has high efficiency air purges use compressed air to ensure that optical surfaces are virtually free of dust or debris contamination. This ensures minimal maintenance is required on the sensors.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Monitoring solutions for the dust monitors areas

    For large combustion plants and power plants we offer the DCEM 2100 particulate monitor. This monitor is certified to EN 15267 part 3 QAL 1 for all industrial processes including waste incineration. It offers outputs in Transmission, Opacity and mg/m3 (when calibrated against a Standard Reference Method). The DCEM 2100 offers real-time zero and span calibration and an efficient air purge system to prevent optical contamination.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Monitoring solutions for the flow monitoring areas

    Many large combustion plants are now required to monitor mass emissions of major pollutants and to do so requires an accurate measurement of stack gas velocity. The VCEM 5100 is certified to EN 15267 part 3 QAL 1 for all industrial processes including waste incineration. It has several key advantages, firstly the sensors optics are not in contact with the hot and dusty environment, the VCEM 5100 can monitor gases at temperatures exceeding 10000C and the analyser requires minimal maintenance. The VCEM 5100 can be used in extremely dust environments such as SCR’s when dust loadings exceed 10g/m3. The VCEM 5100 is in full compliance with EN/ISO 16911 part 2.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

  • In-situ Calcite Crystallisation Monitoring

    Calcite cristallisation reactions, commonly known as "scaling" events, are monitored in-situ using a portable field spectrophotometer with fibre optical probe accessory.

    By WAT Australia Pty.Ltd. based in West Australia, AUSTRALIA.

  • NDIR Solutions

    We propose our product as a new powerful base for optical absorption analysis. One of the greatest advantages of this method is that virtually any sample in virtually any state may be studied. Liquids, gases, films, powders, surfaces can all be examined with a proper choice of sampling technique. Using LED-PD optopairs for mid-infrared spectral range allows developing portable sensors with high reliability and adequate accuracy that can be successfully applied in different areas for matter analysis purposes.

    By LED Microsensor NT based in Saint-Petersburg, RUSSIA.

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    Marine monitoring solutions for the SO2/CO2/NOx monitoring

    Process control of a SO2 scrubber on a ship is a challenge due to wet and corrosive gases. In such environment, extractive gas sampling systems require high levels of maintenance in order to operate correctly. OPSIS monitoring system solves this by using an optical, non-contact, cross-duct technique. A light beam is sent across the duct or stack to be measured, and the captured light is sent through an optical fibre cable to an analyser. The analyser measures SO2, CO2 and NOx concentrations using UV and IR absorption, approved reference methods.

    By Opsis AB based in Furulund, SWEDEN.

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    Continuous emissions monitoring for glass manufacturing industries

    Process control and emissions monitoring in a glass manufacturing plant is a challenge due to high temperature in the flue gas. The OPSIS DOAS system provides the glass industry with an accurate analyser that will operate with a minimum of maintenance. The OPSIS DOAS system is based on a non-contact method that uses an optical path to measure across the duct. A single OPSIS system will measure all relevant gas componensts such as NOX, SO2, CO, CO2, H2O, O2, and others.

    By Opsis AB based in Furulund, SWEDEN.

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    Tunnel solutions for the gaseous pollutants

    The TunnelTech 200 series are primarily gas monitors with optional Visibility capability. Most use Infra-red absorption technology to monitor gaseous pollutants and those with a visibility channel use optical attenuation for that application. All TunnelTech 200 analysers except the TunnelTech 205 use the same rugged corrosion resistant enclosures and have an optional Data Display unit. As there is only one moving part so reliability levels are very high and maintenance levels very low.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Fire detection solutions for the oil rigs

    The worse event that can befall on off shore oil rig is fire. The Model 125 is a smoke monitor designed to operate in hazardous areas, especially in oil rig air conditioning and ventilation ducts. The electronics are contained in an explosion proof container rated as EEX de II B T5; the sensing head uses fibre optic cables to transmit the near infra-red light to a reflector where it is returned to another fibre optic cable. The light level is then monitored by a photo-electric cell. The Model 125 gives an output in opacity which is transmitted to the rig safety systems.

    By Codel International Ltd based in Bakewell, UNITED KINGDOM.

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    Continuous emissions monitoring for mineral wool production

    Process control and emissions monitoring in a mineral wool plant is a challenge due to the presence of phenol and formaldehyde. To use an extractive system in this environment will demand a lot of maintenance. The OPSIS DOAS system is different and provides plants with an accurate analyser that will operate with a minimum of maintenance. The OPSIS DOAS system is based on a non-contact method using an optical measurement path that can operate across the duct.

    By Opsis AB based in Furulund, SWEDEN.

  • Dust monitoring of exhaust gases from manufacturing processes

    DynOptic dust monitors use the innovative Dynamic Detection Principle (DDP) to measure dust and particulate within exhaust gases from various manufacturing processes. DDP, or optical scintillation as it sometimes referred to, measures the dynamic fluctuation in light transmission as dust particles move through a light beam. This dynamic fluctuation derives from temporal distributions of the dust particles which attenuate the light beam. The more dust present in the exhaust, the greater the amplitude of these fluctuations. DDP instruments calculate the dynamic response, or the ratio of light variation to light intensity, which for particular applications, is proportional to dust concentration and when calibrated against standard reference measurements, this can be presented as a reading in mg/m³.

    By DynOptic Systems Ltd based in Brackley, UNITED KINGDOM.

  • Environmental Monitoring - Water Screening for Pollutants - Pesticide Screening

    Water screening for the detection of pollutants owning to large classes of chemical compounds such as triazine, fenylurea, diazine and phenolic pesticides can be performed. The presence of environmental pollutants can be determined utilizing biological materials such as photosynthetic biomediators (Plants, Algae, Cyanobacteria) and enzymes (e.g. Laccase or Tyrosinase). AMPBIO-ITO Light provides amperometric measurements performed on electro-active biological material suspended, deposited or grown on an Indium Tin Oxide (ITO) electrode, before and after the injection of the analyte under test. OPTICBIO-Multicell Survival optical is based on multicell arrays for biological material survival/storage and fluorescence measurement for the control of the physiological activity.

    By Biosensor based in Formello, ITALY.

  • Octane Number of Gasoline using NIR Spectroscopy #3012

    When every second counts and performance is on the line Guided Wave's NIR analyzers allow for easy measurement of octane numbers in gasoline and refinery production units using fiber optic -based, near-infrared (NIR) spectroscopy. *Fast and reliable measurement of the octane number of gasoline (RON & MON). * Control gasoline production in real-time directly with in process monitoring. * Certify gasoline meets specification before release. *Gain significant improvements in process control. *Minimize the need for laboratory sample collection and the labor intensive "knock engine" method. The measurement of the octane number of gasoline using NIR spectroscopy is both fast and reliable utilizing Guided Wave analyzers. Results are available in real-time (seconds) for multiple parameters in complex streams. Request Application Note #3012

    By Guided Wave, Inc. based in Rancho Cordova, CALIFORNIA (USA).

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