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KNF-400PRO Integrated Multi Parameter Water Quality Sensor Self Cleaning 6 Parameters RS485 MODBUS

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KNF-400PRO Integrated Multi Parameter Water Quality Sensor Self Cleaning 6 Parameters RS485 MODBUS

Payment Terms : T/T

Dissolved Oxygen Range : 0-50 mg/L or 0-500% saturation, fluorescence method

Full Load Power : 0.8W without brush rotation, 2W with brush rotation

MOQ : 1 Piece

Turbidity Range : 0-1000 NTU or 0-4000 NTU, 90 degree scattered light

Power Supply : DC 12-24V, 1A or above

Calibration : On-site calibration, calibration data stored inside the probe

Packaging Details : KNF branded export carton with shock-proof foam, probe size 65mm x 430mm, waterproof 10m cable included

Temperature Range : 0-50 C, chip-type sensor

Housing Material : POM

Cleaning Brush : Auto cleaning every 30 minutes by default, interval customizable

Output : Continuous RS-485 output, MODBUS protocol

Protection Level : IP68

Model Number : KNF-400PRO

Place of Origin : Guangdong, China

Cable Length : 10 meters default, customizable

Supply Ability : 1000 Pieces per Month

Depth Range : 0-20 m, strain gauge type

Dimensions : Diameter 65mm x 430mm including protective cover

Certification : ISO 9001

pH Range : 0-14 pH, glass electrode method

Brand Name : KNF

Delivery Time : 7-15 working days

Measurement Parameters : Dissolved Oxygen, pH, Conductivity, Turbidity, Depth, Temperature

Conductivity Range : 0-200 mS/cm four-electrode EC, salinity 0-175 ppt, TDS 0-128000 mg/L

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KNF-400PRO Integrated Multi-parameter Water Quality Sensor

The KNF-400PRO multi-parameter sensor adopts a compact integrated design for a single unit, enabling simultaneous monitoring of six water quality parameters including dissolved oxygen, pH, conductivity, turbidity, depth and temperature. The sensor is equipped with an automatic cleaning brush that cleans the measurement surface of attached substances, removes bubbles and inhibits microbial growth, effectively ensuring the stability and accuracy of long-term online measurement.

It comfortably meets the monitoring requirements of various water environment conditions such as wastewater treatment, surface water, marine environment and groundwater. After years of market validation and continuous technological iteration, the entire machine offers excellent long-term stability and reliability, allowing for continuous unmanned operation with a maintenance cycle of up to several months.

KNF-400PRO Integrated Multi Parameter Water Quality Sensor Self Cleaning 6 Parameters RS485 MODBUS

Sensor Features

  • Full digital sensor with RS485 output and standard MODBUS protocol
  • Supports on-site calibration - highly flexible and capable of adapting to different water qualities, further enhancing measurement accuracy
  • Can be directly immersed in the measured water body, suitable for all-weather, uninterrupted online monitoring, simplifying system configuration
  • Equipped with an automatic cleaning device to effectively prevent biological adhesion and dirt deposition, significantly reducing maintenance and the frequency of manual cleaning
  • Integrated body design capable of monitoring six parameters including dissolved oxygen, pH, conductivity, turbidity, depth and temperature

Technical Specifications

Product Name KNF-400PRO Integrated Multi-parameter Sensor
Measurement Parameters Up to 6 parameters monitored with 1 central cleaning brush
Measurement Depth 0-20 m
Size Diameter 65mm x 430mm (including protective cover)
Temperature Range 0-50 C
Protection Level IP68
Output Continuous RS-485 output, MODBUS protocol
Calibration Calibration data stored inside the probe, supports rapid calibration of the entire machine
Brush Control Default clean every 30 minutes, interval customizable
Full Load Power 0.8W (without brush rotation), 2W (with brush rotation)
Power Supply DC 12-24V, 1A or above
Cable Length Waterproof connectors, 10 meters (default), customizable
Material POM

Sensor Measurement Details

Parameter Measurement Principle Measurement Range
Dissolved Oxygen Fluorescence method 0-50 mg/L or 0-500% saturation
Turbidity 90 degree scattered light 0-1000 NTU or 0-4000 NTU
Conductivity (Salinity) Four-electrode EC 0-200 mS/cm (0-2, 2-20, 20-200 mS/cm); Salinity 0-175 ppt; TDS 0-128000 mg/L
pH Glass electrode method 0-14 pH
Depth Strain gauge type 0-20 m
Temperature Chip-type -5-50 C

Applications

  • Wastewater treatment and effluent monitoring
  • Surface water and river monitoring
  • Marine environment monitoring
  • Groundwater monitoring
  • Aquaculture water quality monitoring

For OEM/ODM customization, bulk pricing and technical support, please contact our sales team.


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