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HydroFlash - Model O2 -Versatile Shallow and Deepwater Oxygen Sensor
The CONTROS HydroFlash O2 optode is a versatile shallow and deepwater oxygen sensor which can be used for autonomous deployments as well as integrated into sensor systems.The HydroFlash O2 is the perfect choice for a wide variety of deployment schemes and platforms including but not limited to AUVs, gliders, floats, rosettes, buoys, and moorings.
The advanced sensor is based on the principle of fluorescence quenching. Dissolved oxygen (O2) molecules diffuse into a membrane in which a fluorescent dye is embedded. Oxygen is capable of quenching this fluorescence by transferring the excitation energy from the dye to the O2 molecule. The more O2 is present in the water, the smaller is the measured fluorescence signal.
- Highly efficient fluorescent dye embedded on a curved, solid substrate to enhance light yield
- Fast response time (T63 < 3s) combined with high stability and accuracy
- Titanium housing with small dimensions
- Robust, can be used in water depths up to 6,000 meters
- Very low power consumption
- Versatile - easily integrated with every oceanographic measurement system and platform
- Programmable sleep mode extends battery life time during autonomous deployment
- Comprehensive software for programming, data download and visualization included
- Non-consumptive O2 measurement
- Flow head
- Autonomous deployment possible with attachable battery
- ROV and AUV installation packages
- Profiling and mooring frames
- Easy deployments together with CO2 and CH4 sensors
- Measuring Range : 0 - 200 %
- Weight / kg : 0.11 in water 0.17 in air
- Dimensions / mm : 23 x 162 (without connector) 23 x 197 (with connector)
- Operational Depth / m : 6,000
- Temperature range : -2°C to +40°C (other ranges on request)
- Response time : T63 < 3s
- Resolution : < 0.1 %
- Accuracy : ±1 %
- Memory : 65,535 sets of data
- Connector : Connector SubConn MCBH-4M Titanium 4-pin (other connectors on request)
- Supply Voltage : 6 V - 30 V
- Data interface : RS-232C; Data format ASCII NMEA-0183
- Software : Windows ® Software DETECT™ incl. real time data visualization, setting of sensor parameters (e.g. measuring intervals, internal data logger settings, sleep mode function) supported by a mission planning tool; data download from internal logger.
CONTROS provides all kinds of cables for laboratory and field work, along with subsea power options and a variety of turnkey solutions for underwater sensing. Furthermore CONTROS has broad experience in building customer-specific winches, mountings, and cages for every type of application.