Product Details
4-20mA Output sensor, 0-20mg/L Fluorescence Method Dissolved Oxygen
Probe power supply dc
Dissolved Oxygen Sensor Features:
- 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
Technical Parameters
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 | 6bar |
product material | POM/SS316/Titanium alloy |
Calibration method | One or Two-point calibration |
Power consumption | < 0.5 W |
Maintenance schedule and method
Maintenance tasks | Recommended maintenance frequency |
Cleaning sensor | Clean every 30 days |
Check sensor and fluorescent cap for damage | Check every 30 days
|
Replace the fluorescent cap | Change once a year |
Calibrate the sensor (if required by the competent authority) | According to the maintenance schedule required by the competent authority |
Company Profile
Xi'an Desun Uniwill Electronic Technology Co., Ltd.is located in
Xi'an High-tech Development Zone. It is a high-tech company
integrating production, research and development, sales and
engineering services. Relying on Xi'an's rich high-tech resources,
we carry out technical cooperation with many universities and
scientific research institutions, constantly break through
technical barriers, improve product performance, and provide
high-quality products for the water quality monitoring industry
with leading technology. We have launched a wireless water quality
monitoring solution based on the current rapidly developing
Internet of Things technology, which combines smart terminals and
traditional display units through wireless transmission to realize
real-time and dynamic water quality monitoring functions such as
data cloud display, remote cloud control, and upper and lower limit
alarms.

Desun Uniwill Electronics has won unanimous praise from domestic
and foreign customers for its high-quality and sincere professional
pre-sale, in-sale and after-sale services. On the basis of
continuous optimization of innovative products, we will strictly
control quality, strictly abide by industry standards, and work
with partners to protect green mountains, green waters, and blue
sky with high-quality products.
