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Salinity Conductivity TDS Probe AT-SB-PROBE-S-P-C1

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Revision as of 16:28, 7 May 2026 by WikiManagement (talk | contribs) (Created page with "== Datasheet == === 1. Introduction === "The SENSBLUE RS-485 Salinity Conductivity TDS Probe (AT-SB-PROBE-S-P-C1) introduces a new generation of four-electrode conductivity sensor, adopts international leading four-electrode technology, RS485 digital interface, supports MODBUS protocol, and environmentally friendly design. Compared with the traditional two-electrode conductivity sensor, it has higher accuracy, wider measurement range and excellent stability. The four-el...")
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Datasheet

1. Introduction

"The SENSBLUE RS-485 Salinity Conductivity TDS Probe (AT-SB-PROBE-S-P-C1) introduces a new generation of four-electrode conductivity sensor, adopts international leading four-electrode technology, RS485 digital interface, supports MODBUS protocol, and environmentally friendly design. Compared with the traditional two-electrode conductivity sensor, it has higher accuracy, wider measurement range and excellent stability. The four-electrode conductivity sensor also has a unique advantage in quantity: one is to completely solve the polarization problem in high conductivity test; the other is to solve the problem of inaccurate reading caused by electrode contamination.

2. Features

  • Simultaneous output of conductivity, salinity, TDS, and temperature parameters;
  • Corrosion-resistant housing with IP68 waterproof rating for long-term underwater operation;
  • Built-in temperature sensor with automatic temperature compensation;
  • Factory-calibrated with built-in calibration parameters for immediate installation and use

3. Technical Specifications

Model KWS-300A KWS-300B
Conductivity Range 0-200mS/cm (0-2mS/cm, 2-20mS/cm, 20-200mS/cm)
Accuracy ±1% or 0.01mS/cm (which is bigger)
Salinity Range 0 -175 ppt
Accuracy ±1 ppt
TDS Range 0 – 128000 mg/L
Response Time ＜10s
Ip Grade IP68
Max. Pressure 6 bar
Sheath Material Titanium
Operating Temperature 0~50℃ (no freezing)
Output RS485, Modbus
Power Consumption 0.2W (Recommended power supply: DC 9–24V, >500mA)
Sensor Dimension φ22mm*175.5mm φ22mm*165.8mm
Assembly NPT3/4 male thread Connect with multi-parameter host
Cable Length 10 meters (default), customizable None
Calibration support one point or two-points calibration
Casing Material Titanium + PEEK

Note:

The above technical specifications are based on laboratory standard solution conditions;

Sensor lifespan and calibration/maintenance frequency depend on actual site conditions.

4. Dimensions and Wiring

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