PRE631-A Four-electrode Type Conductivity Sensor

PRE631-A Four-electrode Type Conductivity Sensor

PRE631-A Four-electrode Type Conductivity Sensor

The PRE631-A Conductivity (Salinity) Sensor, with its four-electrode design, offers superior accuracy and stability, providing a wider measurement range compared to traditional two-electrode designs

PRE631-A Four-Electrode Type Conductivity Sensor: Optimal Solution for Water Quality Monitoring

Overview of the PRE631-A Four-Electrode Type Conductivity Sensor

The PRE631-A Conductivity (Salinity) Sensor, with its four-electrode design, offers superior accuracy and stability, providing a wider measurement range compared to traditional two-electrode designs. This device eliminates polarization effects and can operate for long periods without frequent maintenance. With RS485 MODBUS protocol support, this sensor is an ideal choice for water and environmental monitoring applications.

Key Features of the PRE631-A Four-Electrode Type Conductivity Sensor

  • RS-485 Output, Modbus Protocol Support: Ensures fast and accurate data transmission.
  • No Polarization Effect, Low Maintenance: The device operates stably without frequent maintenance.
  • Automatic Temperature Compensation: Automatically adjusts to ensure data accuracy in all temperature conditions.
  • Wide Measurement Range and Excellent Interference Rejection: Ensures accurate measurements in various environments.

Technical Specifications of the PRE631-A Four-Electrode Type Conductivity Sensor

Technical SpecificationsDetails
NameConductivity (Salinity) Sensor PRE631-A
Conductivity Measurement Range0.01-5 mS/cm or 0.01-100 mS/cm
Conductivity Accuracy<1% or 0.01 mS/cm (whichever is greater)
Salinity Measurement Range0-2.5 ppt or 0-80 ppt
Salinity Accuracy±0.05 ppt or ±1 ppt
PrincipleFour-Electrode
Response Time<10 seconds
Housing Protection RatingIP68
Maximum Pressure6 bar
Temperature Range0 ~ 50℃
Sensor InterfaceSupports RS-485, MODBUS protocol
Power RequirementsDC 9~24V, ≥1A
DimensionsΦ22mm x 175.5mm (multi-parameter: Φ22mm x 165.6mm)
Sensor Cable Length10m (default), customizable
CalibrationOne-point or two-point calibration
Electrode MaterialNi + PEEK
Sheath MaterialTitanium alloy

Note: The above technical parameters are based on data from standard laboratory liquid environments. Sensor life and maintenance calibration frequency are related to actual field conditions.

Applications of the PRE631-A Four-Electrode Type Conductivity Sensor

The PRE631-A Conductivity (Salinity) Sensor is designed with advanced technology and high precision, making it suitable for various applications across different fields.