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Ripper - Net Downward PAR Irradiance & Fluorescence

The Ripper – PAR & Fluorescence Profiler is a rugged instrument for measuring profiles of upward cosine PAR, downward cosine PAR, fluorescence, turbidity & temperature. The Ripper is the perfect instrument for making decisions about the depths where to sample water.
The Ripper Underwater Unit includes two cosine PAR sensors, a fluorometer & turbidimeter with temperature compensation and a high-accuracy strain gauge pressure sensor. The Ripper Underwater Unit can operate autonomously or connected to the Ripper Deck Unit. When powered on the Ripper Underwater Unit automatically begins to record measurements from the sensors in the non-volatile internal memory, and transmits the data stream to the sea-cable connector.
In Profiling Mode, the Ripper Deck Unit matches the real-time PAR data from the Underwater Unit and from the surface reference PAR sensor. The time-tagged data are recorded in the non-volatile internal memory and transmitted via an RS-232 serial interface allowing real-time data display on an external computer.
In Navigation Mode, the Ripper Deck Unit records data from the surface reference PAR sensor with their GPS position and time-tag. The RS-232 serial input port allows to match and record additional data from a shipboard thermosalinograph or a Turner Designs Scufa fluorometer.