Underwater Quantum Sensor

The LI-192 Underwater Quantum Sensor measures PAR from all angles in one hemisphere. The LI-192 works in air or underwater at depths up to 560 meters. The measurements are cosine corrected and typically expressed as Photosynthetic Photon Flux Density (PPFD). For simultaneous measurements of downwelling and upwelling PAR, two sensors can be mounted on the 2009S Lowering Frame.

Why choose the LI-192?

Rugged, corrosion-resistant sensors for use in fresh and saltwater environments
Ideal for oceanography, limnology, turbidity, and vertical profiling. Suitable for submerged and out-of-water measurements

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