PAR Sensors

PAR sensors measure photosynthetically active radiation (PAR). These sensors are designed for underwater use in pressures up to 800 psi or 560 meter depths. The spherical sensor also measures Photosynthetic Photon Flux Fluence Rate (PPFFR) or Quantum Scalar Irradiance for studying phytoplankton. There are kits available to integrate a PAR sensor with a sonde, allowing for long-term studies without a separate data logger.

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