The enviroFlu-HC is a new generation of high sensitive deepsea submersible sensors for oil-in-water measurement. The used UV fluorescence principle for detection is much more sensitive than any other existing detection principle. This allows the detection of PAH traces down to single ppb levels. The pressure housing is completely made of titanium and rated to 6,000m / 20,000 feet or for shallow water application up to 500m. Analog outputs, as well as a RS232 interface makes it easy to integrate the sensors in any control or data logging system. Solid secondary standards are available for all versions and grant fast and reliable functional checks, without the need of chemicals or laboratory.


TriOS GmbH
TriOS GmbH

Werftweg 15
26135 Oldenburg

+49 (0) 441-485-980

+49 (0) 441-4859-820


Technical specifications

Operational depth- 500 m - 6,000 m deepsea version
Detector- 360 nm peak
Temperature range- 0 .. 40°C
Measuring range- 0 .. 50 ppb or 0 .. 500 ppb - 0 .. 500 ppb or 0 .. 5000 ppb
Power supply- 12 .. 26 VDC
Housing- stainless steel or titanium - for deepsea version: titanium
Weight in air
Weight in water

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