Applications in Maine

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    Stack testing for the energy industry

    By Teledyne API Distributor in MAINE (USA).

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    Gas monitoring for the manufacturing industry

    By Teledyne API Distributor in MAINE (USA).

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    Cleaning process for water intake

    By Acme Engineering Prod. Ltd. Distributor in South Portland, MAINE (USA).

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    Ambient air quality monitoring for governments

    SO2 monitoring for the US NCore network, a multi pollutant network to measure  particles, pollutant gases and meteorology.

    By Teledyne API Distributor in MAINE (USA).

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    Gas analysis for the indoor air industry

    By Teledyne API Distributor in MAINE (USA).

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    Process heating for commercial and industrial functions

    By Acme Engineering Prod. Ltd. Distributor in South Portland, MAINE (USA).

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    Gas detection for building ventilation control

    By Acme Engineering Prod. Ltd. Distributor in South Portland, MAINE (USA).

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    Effluent cleaning for wastewaters

    By Acme Engineering Prod. Ltd. Distributor in South Portland, MAINE (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 Distributor in Trenton, MAINE (USA).

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    Instruments and analyzers for DNI measurements with a pyrheliometer

    Solar Direct Normal Irradiance (DNI) represents the direct solar component and contains about 80% of the total solar energy budget on earth. Outside the atmosphere (AM0) the solar irradiance is considdered as a constant (1367 W/m2) that slightly fluctuates with a 11 year cycle. The DNI at the earth surface is highly variable due to the atmospheric conditions (clouds, aerosols, water vapor and molecules).

    By EKO Instruments Distributor in Trenton, MAINE (USA).

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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 Distributor in Trenton, MAINE (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 Distributor in Trenton, MAINE (USA).

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    Instruments and analyzers for stability monitoring of sun simulators

    Monitoring the stability of a sun simulator enables the researcher to improve the stability of the PV cell and precision of the I-V measurement. The sun simulator is for example used to test the produced PV solar panel and classify it according to the STC standardization.

    By EKO Instruments Distributor in Trenton, MAINE (USA).

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    Instruments and analyzers for measure spectral irradiance of sun simulator

    Sun simulators are available in different classes indicating the performance characteristics by the combination of three letters (A,B or C) (according to IEC 60904, JIS 8912 and ASTM E 927-05). Each letter represents respectively the spectral match with the solar spectrum (1000 W/m2, AM 1.5), uniformity of the light field and temporary stability. Class AAA are considered as most accurate and have an ideal spectral match between 0.75 and 1.25, max. 2.0% non-uniformity and 0.5% nonstability according to the IEC standard. The ideal spectral match is divided in spectral bands. Those represent a certain energy quanta of the total spectrum allowing a 25% variance in that particular range.

    By EKO Instruments Distributor in Trenton, MAINE (USA).

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    Instruments and analyzers for measurement of engergy losses in building

    The construction building wall makes the most significant contribution to the reduction of building energy consumption. The total thermal losses of building constructions strongly depends on the environmental conditions (Location) and building construction (Material). On site measurements are possible with EKO thin film heat flow sensors which can be integrated with building walls. Evaluation of heat flow and thermal losses is inevitable during building design and engineering of energy-efficient floor heating systems.

    By EKO Instruments Distributor in Trenton, MAINE (USA).

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    Instruments and analyzers for spectral DNI measurements

    Where the pyrheliometer is most suitable to quantify the total DNI of the solar spectrum. The spectroradiometer gives details about the energy distribution which is important for PV or CPV cell research. The solar spectrum wil change with the angle of incidence and its path through the atmosphere. Photons wil be reflected, scattered or absorbed. Big absorbers of infrared irradiance are water vapor, carbon dioxide, and ozon.

    By EKO Instruments Distributor in Trenton, MAINE (USA).

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    Instruments and analyzers for measuring spectral irradiance

    Spectral irradiance is the irradiance of a surface per unit frequency or wavelength. spectral irradiance of a wavelength spectrum is measured per watts per square metre per nanometre (W·m−2·nm−1). Spectroradiometers are devices designed to measure the spectral power distribution of a source. From the spectral power distribution, the radiometric, photometric, and colorimetric quantities of light can be determined in order to measure, characterize, and calibrate light sources for various applications. Spectroradiometers typically measures the spectral irradiance and spectral radiance. Spectroradiometers systems work without the need to be connected to a PC. This makes them highly portable while maintaining the accuracy of a spectrometer.

    By EKO Instruments Distributor in Trenton, MAINE (USA).

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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 Distributor in Trenton, MAINE (USA).

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    Instruments and analyzers for outdoor material testing

    Weathering of materials is most often an irreversible process affecting the cosmetic properties or strength of materials. This aging process is mainly driven by UV radiation, Heat and reactive elements in the atmosphere, for example chemical contamination. The plastic fabric of the product can dry and therefore weakened. The solar load can overheat the products and change material properties irreversibly. A common method to test the deterioration of materials is to expose materials to sun light and environment. To be able to quantify the aging process, the parameters that affect the aging process must be measured.

    By EKO Instruments Distributor in Trenton, MAINE (USA).

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