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Photosynthetic

Plants use of sunlight to convert CO2 into organic matter.


Showing results: 1 - 3 of 3 items found.

  • Underwater Quantum/PAR Sensors

    Apogee Instruments, Inc.

    Photosynthetic radiation is essential for the growth of the photosynthetic organisms such as corals. The wavelength range from 400 to 700 nm is PAR (Photosynthetically Active Radiation) or PPFD (Photosynthetic Photon Flux Density). Apogee quantum/PAR sensors are calibrated to measure the number of photons of light across this range.

  • Water quality profiler with optical fast DO sensor

    AAQ-RINKO - JFE Advantech Co., Ltd.

    The water quality profiler, AAQ 1183 has been redesigned as AAQ-RINKO with an optical fast response (63% response in water, 0.4 s) DO sensor, RINKO. Conventional water quality profilers with a slow response DO sensor require holding the instrument for a certain period at the measurement depths. AAQ-RINKO makes vertical measurements possible with a profiling speed of 0.5 m/s, similar to CTD observation, thereby significantly reducing the observation time. In addition to conductivity, temperature, depth, chlorophyll, turbidity, DO and pH, AAQ-RINKO also enables simultaneous installation of PAR (Photosynthetic Available Radiation) and ORP (Oxidation Reduction Potential) sensors. The processing unit is available in three types in accordance with the observation applications.

  • Small sensors

    ML-series - EKO Instruments Co., Ltd.

    The ML-series small sensors are used as multi-purpose cost effective sensors for qualitative radiation measurements in the fields of photovoltaics, horticulture, agriculture and industry. Those compact all-weather sensors rely on a passive high quality detector. Based on the integral construction of each sensor type, irradiance (W/m2), illuminance (Lux) or photosynthetic photon flux density (mol/m2/s) can be measured. All sensors have an optical quality glass dome which minimizes the soiling of the diffusor and optimizes the cosine response. Within the operating temperature range, the ambient temperatures has a rather small effect on the sensor output and makes it a reliable sensor under varying environmental conditions. The compact dimensions of the sensor body make it easy to integrate to any type of applications. For mounting the sensor in an horizontal position, an optional mounting plate is available.

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