2009S

LI-COR Underwater PAR Sensor Lowering Frame

LI-COR Underwater PAR Sensor Lowering Frame

Description

LI-COR Underwater PAR Sensor Lowering Frame

Features

  • Stability for proper orientation of sensors
  • Minimizes shading effects
  • Lower mounting ring for stabilizing weight attachment
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Details

The 2009S LI-COR Underwater PAR Sensor Lowering Frame provides for the placement of two underwater cosine sensors, one each for downwelling or upwelling radiation, or a single LI-193SA Spherical Quantum Sensor. The 2009S provides stability for proper orientation of the sensor(s), minimizes shading effects, and features a lower mounting ring for stabilizing weight attachment if necessary.
Notable Specifications:
  • Construction: Anodized aluminum
  • Size: 51.4 L (20.0") x 35.6 cm W (14.0")
  • Weight: 327g (0.72 lbs)
Image Part # Product Description Price Stock Order
LI-COR Underwater PAR Sensor Lowering Frame 2009S Lowering frame for LI-COR underwater PAR sensors Usually ships in 3-5 days

In The News

LI-COR PAR sensors detect light waves to aid aquatic ecosystem research

Understanding how the sun’s rays fuel phytoplankton or plant growth may prove valuable to understanding an aquatic ecosystem. A pair of sensors from LI-COR can help researchers studying algal blooms and aquatic vegetation by measuring how much light enters underwater environments. Sitting below the surface, the LI-192 flat-lensed photosynthetically active radiation sensor and the LI-193 spherical PAR sensor measure light waves striking their silicon photovoltaic detectors.  They sense light wavelengths between 400 and 700 nanometers, which is the ideal range for photosynthesis. Dave Johnson, a LI-COR product manager for the LI-190 series, said the sensors’ individual designs make them ideal for different applications.

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Ohio State greenhouse nurtures 'fruit fly of the plant world'

The Arabidopsis Biological Resource Center at Ohio State University was established in 1991 with funding from the National Science Foundation. Part of the center’s job is to meet demand for seed of the arabidopsis plant, which is widely used for genetic modeling. “A lot of the plants we’re growing are for seed production,” said Joan Leonard, greenhouse coordinator. “Arabidopsis is a good example. We call it the ‘fruit fly of the plant world,’ and it takes about six to eight weeks to go from seed to plant.” Arabidopsis is one of the many plants that will benefit from a new LI-COR PAR sensor being installed on campus. It will help manage light schedules for greenhouse plants.

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Colorado River Fish Contain Levels Of Selenium, Mercury

Largely seen as pristine and relatively untouched by human activity thanks to its protected status, the portion of the Colorado River flowing through Grand Canyon National Park is anything but, according to recently published research. This is evidenced by high levels of selenium and mercury found in the fishes there. Scientists from many institutions were involved in the years-long work, full results of which have been published in the journal Environmental Toxicology and Chemistry. It was led by the U.S. Geological Survey, but perhaps the contributors from Idaho State University got the best end of the stick. They were looking into the food webs of the river to evaluate concentrations of selenium and mercury gathering in fish.

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