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radiation measurement Applications

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    Instruments and analyzers for accurate solar radiation measurements

    Conducting reliable and accurate solar radiation measurements requires some knowledge and attention: think of environmental influences (wind, rain/snow, soling), re-calibration (bi-annually), not to mention data processing, spectral effects, etc. Essentially, accurate broadband solar radiation measurements are obtained using two components: a suitable set of pyranometers, including an optional pyrheliometer (DNI sensor) with sun tracker, and an adequate data logger.

    By EKO Instruments based in San Jose, CALIFORNIA (USA).

  • Environmental radiation monitoring

    Every day, wherever we go, we are exposed to minute amounts of environmental radiation.* This environmental radiation is emitted continuously, day and night, from various objects and substances in the natural world and our living environment.

    Most environmental radiation consists of three types: alpha rays (α), beta rays (β) and gamma rays (γ).  HORIBA`s PA-1000 `Radi` environmental radiation monitor makes it easy for non-specialists to measure even minute levels of gamma rays.

    * Environmental radiation, also known as natural radiation, includes radiation emitted from space, soil, stones, the ground and the air, as well as from manmade objects such as concrete and buildings

    By HORIBA Europe GmbH based in Leichlingen, GERMANY.

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    Radiation Monitoring for Emergency Preparedness / Radiation Monitoring for Homeland Security

    Nuclear and radiological risks are obviously a reality in today`s world, and anti-terrorism has become an absolute priority for homeland and border security. Alert and detection mechanisms are fundamental to current protection policies: we must be capable of preventing the illegal traffic of radioactive sources through border controls, and measuring gamma radiation in the environment if a malevolent act is committed. Saphymo meets homeland security and Emergency preparadness by proposing dosimeters and survey meters for both preventive and response purposes, enabling first responders to assess the character of radiological incidents. Border controls are performed using pedestrian and vehicle access control portals - Saphymo is a European leader in this field. Saphymo`s exhaustive range of reliable and high-performance products is fully adapted to the fight against CBRN terrorism and covers every conceivable situation.

    By Bertin Instruments based in Montigny-le-Bretonneux, FRANCE.

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    Radiation monitoring instruments for the homeland security & military industry

    Technical Associates provides some of the best radiation detection and measurement equipment for Homeland Security. The TBM-3SR, or the Digital Version TBM-3SR-D, is cited by experts for use on every Fire Truck in the United States. The DSI-2 measures background radiation detecting any elevation in radiation. The DSI-2NT Series detects both fast and slow neutrons and model DSI-2GN detects and measures Gammas and Neutrons (Fissile Material).

    By Technical Associates based in Canoga Park, CALIFORNIA (USA).

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    Instruments and analyzers for solar radiation energy budgets studies

    The Meteorological research community is very ambitious to understand climate changes and global impact on life. With modern advanced measurement equipment, e.g. satellites, remote sensing technologies and sophisticated computer models, multiple meteorological parameters can be analyzed at a large scale at the same time. As the climate system is very complex it is difficult to give accurate predictions of our future climate. We work with climate models, which are based on the consequences of impacts thus far observed. Apart from these impacts additional forcings occur, which make it even harder to give reliable climate predictions. Nevertheless, our present sophisticated climate models enable us to give a characterization of our future climate. For instance, we expect that before the end of this century, the average surface temperature will have increased by 1.4º to 5.8ºC.

    By EKO Instruments based in San Jose, CALIFORNIA (USA).

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    Instruments and analyzers for DHI measurements

    Diffuse irradiance measurements: Diffuse Horizontal Irradiance measurements are performed with a thermopile sensor called Pyranometer mounted on a Sun tracker or shading ring.  When the pyranometer is installed on an automatic sun tracker, the diffuse radiation can be measured in two different ways. Measuring Diffuse irradiance requires an accurate pyranometer with low offset properties. Duirng clear sky conditions the DHI irradiance (W/m2) is less than 20% of the total irradiance. Zero offsets lead to underestimation of the measured irradiance.

    By EKO Instruments based in San Jose, CALIFORNIA (USA).

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    Infrared temperature measurement for calibration industries

    To ensure high-precision performance from temperature measurement devices, reliable calibration is required. This can be carried out on site or under laboratory conditions, using primary or reference standard sources. Primary calibration sources are traceable to National Standards via a certified probe installed in the radiation cavity. Reference sources achieve traceability either by comparison with certified thermometers, or through purchasing a calibration certificate.

    By AMETEK Land based in Dronfield, UNITED KINGDOM.

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    Determination of heavy metals in food

    This analytical procedure is intended for measuring the content of the elements (cadmium, lead, arsenic, tin, chromium and mercury) in the samples of food products by atomic absorption spectrometry with electrothermal atomization using an “MGA-915M” Graphite Furnace AA Spectrometer.

    The method is based on measuring resonance radiation absorption that occurs when the radiation passes through a layer of atomic vapor in the electrically heated graphite furnace of the “MGA-915M” AA spectrometer. The concentration of the elements is determined from the integrated analytical signal and is calculated using a preset calibration graph. The samples of food products are digested prior to analysis in accordance with standard methods. 

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Instruments and analyzers for spectral irradiance portable solutions

    Reflection and transmission measurements on materials, vegetation, water or atmosphere give valuable information about biological, physical and chemical processes. Processes driven by solar radiation, in particular bands of the spectrum through the so called action spectra, can be analysed or quantified with a sensor senitive in the particular spectral band. The MS-720 portable spectroradiometer gives total freedom to be used in different applications and range of the spectrum between 350 - 1050 nm.

    By EKO Instruments based in San Jose, CALIFORNIA (USA).

  • Distributed Temperature Sensing Technology for Stream Monitoring

    Temperature is an important factor in streams ecosystems. Heat tracers have been used to characterize contaminant transport, infiltration rates and energy exchange with groundwater, the atmosphere and radiation. The dynamics of these complicated water bodies is also affected by seasonal and diurnal patterns making characterization particularly challenging. Utilizing temperature measurements that capture spatial and temporal variations at stream ecosystem interfaces provides a mechanism for detailed characterization.

    By Silixa Ltd based in Elstree, UNITED KINGDOM.

  • Combined photo-radiometric probe for Museum & Metal Industry

    The combined photo-radiometric probe LP471P-A measures the two parameters of principal interest in the field of lighting, namely the ILLUMINATION (lux) and UVA IRRADIANCE (W/m2). The probe is composed by a luxmeter and an UVA radiometer. The signals of the two sensors are read and processed at the same time to visualize the relation between the two quantities expressed in µW/lumen. The two sensors are equipped with a diffuser for the correct measure according to the cosine law. The probe LP471P-A is particularly useful when the simultaneous measurement of illuminance and UVA irradiance is required. For example, in museum environment when it is necessary to evaluate the UVA radiation level in the lamps in order to avoid damage to paintings or wood or any other historical art objects(CIE 157) and another area of interest is the Non Destructive Testing (NDT) that employ penetrating liquids, used primarily in the fields of mechanics and aerospace(ISO 3059:2001)

    By Delta OHM S.r.L. based in Caselle di Selvazzano, ITALY.

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