PH-ORP-Sensor

The SMART ABpH/ABRX pH/ ORP Sensor system utilizes the electrochemical ion selective method to convert variations in water ions into continuous electrical signals. This innovative system consists of two primary components: electrochemical conversion and signal acquisition and conversion.

Designed with durability in mind, the SMART ABpH/ABRX pH/ ORP Sensor is housed in a robust lP68-rated enclosure. It features a 1500 N tensile strength Kelvar reinforced cable, allowing for reliable operation over distances of up to 1.2 km. With its advanced digital data transmission capabilities, this transmitter is ideally suited for applications in the water/wastewater industry.

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  • Measuring Principle: The electrochemical ion selective method
  • Temp. Compensation : Pt100, 0 to 85°C Auto compensation
  • Interface: Modbus RS485
  • Material: Glass Sensor, Housing POM
  • Cable & Length: Coaxial armored, Polyurethane, bare wire, or Fisher connector 10 meters (standard), higher length on request
  • Weight: Approx. 150g(POM), Cable 80 g/m
  • Protection: IP 68
  • CE Marking: EN 61326-1:2013 Electromagnetic Compatibility EMC


  • 0.05 W Ultra-Low Power Consumption, Ideal for Outdoor Applications
  • Lightning and Surge Protection for Power and RS485 Communication
  • 1-sec On-line Real-time Measurement
  • Temperature Compensation
  • Robust & Waterproof(lP68)
  • Factory pre-calibration for easy setup and field calibration for more accuracy
  • Standard Modbus RTU Protocol, Direct Connected with PLC, HMI, Eliminate I/O Module Cost
  • Fully compatible with PC software ViewTM for easy setup and data logging


  • Industrial Wastewater
  • Municipal & Sewage Wastewater
  • Drinking Water
  • Surface Water Monitoring
  • Sanitation Network