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OEM Applications

Environmental

  • Water quality monitoring
  • Air quality monitoring
  • Soil analysis

Preserve the quality of water resources Water quality

Water is a valuable resource, so there is strong demand for the monitoring of specific compounds and chemical contaminants in water. These include the content of nitrogen or the organic load of industrial waste water, the quality of drinking water or the concentration of chemicals in coastal/seawater.

Monitoring of the atmosphere Air quality

Despite the increasing importance of renewable energy, levels of atmospheric pollution are increasing rapidly as a result of burning fossil fuels and biomass as well as industrial processes. Differential optical absorption spectroscopy (DOAS) allows for the open-air monitoring of pollutants such as ozone (O3), nitrogen dioxide (NO2) and sulphur dioxide (SO2).

Climate changes and land degradation Soil quality

In times of accelerating climate change, optimized soil treatment is essential for agricultural productivity and the prevention of land degradation. Unsustainable agricultural soil treatment combined with extreme weather conditions such as flooding, high temperatures and drought presents farmers with problems like soil compaction, nutrient depletion or excess nutrient supply. VIS-NIR soil spectroscopy helps to understand soil health and ensures food safety.

Water quality monitoring

  • water treatment plant, ecosystem, waste water, water recycle, water purification or environment industry concept

    Industrial waste water

    Photometric sensors are ideal for the constant industrial monitoring of essential water processing, filtration and treatment. Water must be analyzed and purified before it enters the sewage system or other waterways to fulfill regulatory standards and preserve the environment. Key elements such as nitrates, nitrites, oxygen demand, organic compounds or turbidity must be tracked.

  • Close up the pouring purified fresh drink water from the bottle on table in living room

    Drinking water

    Continuously monitoring the drinking water delivery chain from natural reservoirs to the distribution network is essential to avoid harmful effects on human health. Depending on local directives, specific microbiological or chemical compounds must be below certain threshold values to prevent health risks to consumers. Important parameters are nitrates, nitrites, chloride and heavy metals such as lead, copper and chromium.

  • Temperate Coral Reef

    Environmental monitoring

    Rising levels of pollution and the deterioration in quality of our natural water will be an ongoing challenge for the future. Parameters such as turbidity, chemical and biological oxygen demand, nitrates and chloride are indicators of the water condition in rivers, lakes, coastal or maritime regions. They have to be tracked in order to protect the environment and detect harmful sources of contamination.

Our solutions for water monitoring

ZEISS Spectrometer Modules and Optical Gratings

ZEISS  MMS UV  (195 - 390 nm) and  MMS UV-VIS  (190 - 720 nm) are the ideally, market-proven spectrometers of choice for UV-VIS absorption and fluorescence spectroscopy, enabling real-time, in-situ and accurate qualitative and quantitative water analytics. We also offer gratings and consultation in design and build, allowing you to create a spectrometer yourself for your exact needs.

For water monitoring,  plane gratings  and  mono- & polychromator gratings  can be used for customer-specific spectrometer solutions with tailored optical parameters supporting in-situ water analysis using Raman Spectroscopy as well.

MMS Series

Air quality monitoring

woman breathing clean air in nature forest

Open-path air monitoring

In atmospheric research, UV-VIS differential optical absorption spectroscopy (DOAS) is an eminent tool for measuring the concentration of trace gases. Depending on the specific gas, sensitivities in the range of ppb...ppt can be achieved. ZEISS MCS-CCD  is ideal for this specific application. It combines stable wavelength calibration and negligible sensitivity to temperature changes with fast readout and a high resolution.  Furthermore, gaseous contaminant identification plays an important role in quality control of gas suppliers and or beverages industry as well.  Mono- & polychromator gratings  can be used for in-situ, open-path air monitoring to detect gaseous contaminants in gas streams, even at high temperatures.
Raman Spectroscopy is increasingly applied to measure NO2, CO2 and other gaseous contamination. Raman spectrometers use blazed plane gratings with high efficiency and low stray light to enhance the dynamic range of the instrument.

Soil analysis

mother with children helping planting tree in nature for save earth. identifying fingerprints of soil. soil analysis

Identifying fingerprints of soil

VIS-NIR spectroscopy identifies contaminants in the constituent parts of soil  – whether in the lab or on the field. Soil consists of three main elements: water, clay minerals and organic matter. With reflectance measurement in the NIR range, water content (absorption at 1435 and 1940 nm) and clay mineral fingerprints are identified by calibrating reference measurements to spectral signatures. ZEISS spectrometers like the PGS NIR and the MMS series have a compact design without moving parts. They are portable, cost-effective tools for soil measurement, designed for environments with temperature changes, shock and vibration – guaranteeing stable wavelength calibration and high SNR. VIS-NIR helps understand soil health and ensure food safety.
Hyperspectral imaging combines spectroscopic and imaging information to understand soil contaminants with high aerial resolution to adapt soil improvement measures locally.

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