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Dissolved oxygen (DO) is an essential component of aquatic
ecosystems, including aquaculture systems. DO is crucial to the
survival, growth, and reproduction of aquatic organisms. It is a
limiting factor in the carrying capacity of a given system, and
thus its concentration must be carefully monitored and controlled
to ensure the health and productivity of the organisms being
cultivated. The adequate dissolved oxygen level for aquaculture
depends on several factors, including the species being cultivated,
water temperature, salinity, and other environmental factors.
Dissolved Oxygen Sensor Brief Introduction
The DS380 series of fluorescent dissolved oxygen sensors use a new type of fluorescence lifetime technology and
high-performance fluorescent materials. The fluorescent dissolved oxygen sensor is based on the quenching
principle of the specific fluorescence of a specific substance in
physics. Blue light from a light-emitting diode (LED) illuminates
the fluorescent material on the inner surface of the fluorescent
cap, and the fluorescent material on the inner surface is excited
to emit red light by detecting the phase difference between red and
blue light and the internal calibration value. The ratio is
calculated to calculate the concentration of oxygen molecules, and
the final value is automatically compensated by temperature and
pressure.
Features of Fish Tank Dissolved Oxygen Sensor:
-0-20mg/L or 0-200% saturation
-0~50 °C; IP68 protection level
-No film, no electrolyte, no polarization
-No need to consume oxygen, no flow rate
-Built-in temperature sensor, automatic temperature compensation
-Free from chemical interferences such as sulfides
-Small annual drift, fast response, and more accurate measurement
-Free of maintenance, longer application cycle, and lower cost of
use
-Fluor cap replacement is simple
-Support RS-485, MODBUS protocol
Item | Parameters |
Model | DS380 |
Principle | Fluorescence analysis method |
Measuring range | 0~20mg/L or 0-200% saturation |
Response time | 3 sec |
Accuracy | 1% |
Protection level | IP68 |
Installation | Submersible |
Temperature sensor | NTC |
Temperature range | 0~50°C |
Temperature accuracy | ±0.2°C |
Output | Support RS-485, MODBUS protocol |
Power supply | DC 6~12V, current <50mA |
Size | Φ26*155 mm |
Probe cable length | Default 5 m, customized 10m, 15 m and 30 m cable |
Fluorescent cap life | 1 year |
Maximum working pressure | 3bar |
Housing material | SS316/Titanium alloy |