Conductivity Sensor

  • Conductivity-sensor

    Ideal for use in the brewery, food and beverage, and biopharm industries, Conductivity sensors provide accurate and reliable measurement of a process liquid’s ability to carry electrical currents.


    Alfa Laval conductivity sensor are highly accurate, all-stainless steel devices that measure the ability of process liquids to carry electrical currents.

    All wetted parts are made of AISI 316L stainless steel and PEEK, and designed to withstand process temperatures between -20 and +130°C. Because the conductivity sensor can withstand high temperatures, it is well suited for use in Cleaning-in-Place (CIP) and Sterilization-in-Place (SIP) processes. These compact 3A-certified sensors may be installed in pipe sizes DN40 and larger.


    Thanks to optimized flow geometry and fast response time, Alfa Laval conductivity sensors are particularly suitable for applications that require the separation of media and/or the measurement of cleaning agents in Cleaning-in-Place (CIP) equipment. Measurements are highly accurate even at very low conductivity and flow rates.


    The conductivity sensors come with four standard pre-configured measuring ranges, which can be easily adjusted from a remote location. Precise control of temperature compensation is also possible from a remote location, which makes the Alfa Laval conductivity sensor ideal for a wide range of conductivity measurements.

    An integrated display indicates values for mS/cm and °C, which instantly provides users with monitoring and control data required for safe operation, especially for manually operated cleaning systems.


    Inductive conductivity measurement is based on the principle of a transformer. An AC voltage generator controls the primary side of the transformer. The liquid flows through the channel bore (3) in the measuring head and forms a conductor loop, which links the primary side of the transformer (1) and the secondary side of the transformer (2).

    The output current is proportional with the conductivity of the media. Signal conditioning, amplification and conversion provide a 4-20 mA signal output from the galvanically isolated D/A converter. The fast-response temperature sensor in the tip (4) compensates for the temperature of the liquid, thus providing highly accurate and reliable readings.

    The Alfa Laval conductivity sensor output analogue signals for both conductivity measurement and temperature measurement.

  • Instruction Manual – Conductivity Sensor – EN

    PD Sheet – Conductivity sensor – EN (3789.03 kb)




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