. . . . . . "QCP-2300 underwater PAR"@en . "Biospherical QCP-2300 underwater PAR sensor"@en . "SDN:L22::TOOL0288" . . . . "Log output quantum cosine PAR profiling sensor. For use with 12 bit ADC systems. Single channel analog output voltage is proportional to the log of incident PAR (Photosynthetically Available Radiation: 400-700 nm) irradiance. Cosine corrected for use underwater to depths up to 1000 m."@en . . "accepted"@en . "QCP-2300 underwater PAR" . .