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
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.
| Technical Specifications | Details |
|---|---|
| Name | Conductivity (Salinity) Sensor PRE631-A |
| Conductivity Measurement Range | 0.01-5 mS/cm or 0.01-100 mS/cm |
| Conductivity Accuracy | <1% or 0.01 mS/cm (whichever is greater) |
| Salinity Measurement Range | 0-2.5 ppt or 0-80 ppt |
| Salinity Accuracy | ±0.05 ppt or ±1 ppt |
| Principle | Four-Electrode |
| Response Time | <10 seconds |
| Housing Protection Rating | IP68 |
| Maximum Pressure | 6 bar |
| Temperature Range | 0 ~ 50℃ |
| Sensor Interface | Supports RS-485, MODBUS protocol |
| Power Requirements | DC 9~24V, ≥1A |
| Dimensions | Φ22mm x 175.5mm (multi-parameter: Φ22mm x 165.6mm) |
| Sensor Cable Length | 10m (default), customizable |
| Calibration | One-point or two-point calibration |
| Electrode Material | Ni + PEEK |
| Sheath Material | Titanium 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.
The PRE631-A Conductivity (Salinity) Sensor is designed with advanced technology and high precision, making it suitable for various applications across different fields.