DS280 Water Salinity Sensor Digital Salinity Probe

DS280 Water Salinity Sensor Digital Salinity Probe adopts a new generation of four-electrode technology, with a wide measurement range and automatic range switching. Automatic temperature compensation for the changing temperature of the water body.

Overview:

DS280 Water Salinity Sensor Digital Salinity Probe adopts a new generation of four-electrode technology, with a wide measurement range and automatic range switching. Automatic temperature compensation for the changing temperature of the water body. With strong anti-interference ability, the electrode can adapt to a variety of harsh water environments, the electrode will not be polarized for a long time, reducing maintenance costs.

Features of DS280 Salinity Sensor:

  1. Small in size, it can be assembled in many ways.
  2. Wide measurement range, automatic switching of measurement ranges.
  3. Built-in temperature sensor, automatic temperature compensation.
  4. Salinity sensors use polarization-free, four/six electrode technology.

Technical parameter of DS280 Salinity Probe:

Product nameDS280 Salinity Sensor
Detection principleElectrode method
Response time<2 sec
Measurement rangeO~60 ppt
Measurement accuracy3~5%
Resolution1uS/cm
Temperature range0~ 50°C
Storage temperature-20~ 80°C
Output signalRS-485, MODBUS protocol
Calibration method1 or 2 point calibration

Specifications:

Waterproof levelIP68
Under pressure1bar
Product materialSS316+PEEK
Product SizeΦ22 X 152.5mm
Power informationDC 6~12V, current <50mA
Cable lengthStandard 5 meters, longer can be customized

 

Applications:

(1) Aquaculture

-Water Quality Control: Controlling water salinity is crucial for aquatic organisms’ healthy growth in aquaculture. Salinity sensors help maintain optimal salinity levels for different species.

-Saltwater and Freshwater Aquaculture: Different aquaculture species have varying salinity requirements. Salinity sensors enable precise adjustment of water conditions to meet the needs of various types of aquaculture.

(2) Oceanography and Environmental Monitoring

-Sea Water Salinity Monitoring: Salinity sensors are crucial tools in oceanographic research for monitoring changes in ocean salinity. This is essential for understanding ocean currents, climate change, and marine ecosystems.

-Water Quality Monitoring: In environmental protection and water resource management, salinity sensors help monitor the salinity levels of lakes, rivers, and groundwater, aiding in identifying pollution sources and assessing changes in water quality.

 

FAQs about Salinity Sensors:

(1) What is a salinity sensor, and how does it work?

A salinity sensor measures the salt concentration in a solution. Different types of salinity sensors operate based on different principles:
Conductivity Sensors: Measure electrical conductivity, which increases with salt concentration.

(2) What factors can affect the accuracy of a salinity sensor?

-Temperature: Most salinity sensors are sensitive to temperature changes, so compensation mechanisms or stable temperature conditions are necessary.
-Contaminants: Particles or biological growth on sensors can affect readings, especially for optical and conductivity sensors.
-Calibration Drift: Sensors can drift over time and require recalibration.
-Interferences: Other dissolved substances can affect conductivity, refractive index, or light scattering properties, leading to inaccurate salinity readings.

(3) How do you maintain a salinity sensor?

-Regular Cleaning: Regular cleaning prevents fouling and buildup, especially for sensors in contact with the solution.
-Routine Calibration: Periodic recalibration against known standards maintains accuracy.
-Check for Damage: Inspect sensors for physical damage, particularly optical windows or electrodes, and replace them if necessary.
-Monitor Performance: Regularly check sensor output for consistency and reliability.

(4) How does temperature compensation work in salinity sensors?

Temperature compensation adjusts the sensor’s readings to account for temperature effects on conductivity or optical properties:
Conductivity Sensors: Use built-in temperature probes to adjust conductivity readings based on a known relationship between temperature and conductivity.

(5) How do salinity sensors integrate with data logging or monitoring systems?

Digital Outputs: Some sensors offer digital communication protocols (e.g., RS485, Modbus) for direct integration with data loggers or monitoring systems.

(6) How do I select the right salinity sensor for my application?

Consider the following factors:
-Measurement Range: Ensure the sensor’s range matches your required salinity levels.
-Environmental Conditions: Choose a sensor suitable for the chemical and physical conditions of your environment.
-Accuracy and Precision: Determine the required accuracy and select a sensor that meets these needs.
-Maintenance Requirements: Assess the maintenance needs and your ability to maintain the sensor.
-Integration Needs: Ensure the sensor can integrate with your data logging or monitoring systems.

(7) Can salinity sensors be used in automated systems?
Yes, salinity sensors are commonly used in automated systems for continuous monitoring and control:
-Environmental Monitoring Stations: Automatically monitor water bodies for salinity changes.
-Aquaculture Systems: Maintain optimal salinity levels for aquatic life.
-Industrial Processes: Control and optimize processes involving salt solutions.

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