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| Categories | Optical Dissolved Oxygen Sensor | 
|---|---|
| Brand Name: | Desun Uniwill | 
| Model Number: | DS-380 | 
| Certification: | CE | 
| Place of Origin: | China | 
| MOQ: | 1 pcs | 
| Price: | $280.00 - $400.00/ Piece | 
| Payment Terms: | L/C, D/A, D/P, T/T | 
| Supply Ability: | 1000 sets per month | 
| Delivery Time: | 7~ 15 working days | 
| Packaging Details: | Carton packaging | 
| Model: | DS380 | 
| Principle: | Fluorescence analysis method | 
| Measuring range: | 0~20mg/L | 
| Response time: | 1-10 seconds | 
| Accuracy: | 1% | 
| Protection level: | IP68 | 
| Installation: | Submersible | 
| Temperature sensor: | 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 | 
| Fluorescent cap life: | 1 year | 
| Maximum working pressure: | 3bar | 
| Housing material: | SS316/Titanium alloy | 
We are a water quality monitoring sensor manufacturer, such as
dissolved oxygen, pH, salinity and so on are the parameters to be
monitored in the pond, which can help to improve the production of
farming.
Optical DO Sensor Units Brief introduction
The DS380 series of fluorescent dissolved oxygen sensors uses 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 the 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 Optical DO Sensor Units:
-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 | 

Xi'an Desun Uniwill Electronic Technology Co., Ltd, is a leading
manufacturer of water quality monitoring sensors. We supply water
quality sensors such as dissolved oxygen, COD, ammonia nitrogen,
PH, ORP, conductivity, turbidity, sludge concentration,
chlorophyll, blue-green algae, oil in water, nitrate, etc. They are
widely used in Aquaculture, Wastewater treatment and Water quality
monitoring.
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