ultrasonic level switch / for liquids / non-invasive
SpotCheck 1000/2000 series Rototherm Canongate Technology



  • Technology:


  • Medium:

    for liquids

  • Other characteristics:


  • Process temperature:

    Min.: -40 °C (-40 °F)

    Max.: 110 °C (230 °F)


The SpotCheck liquid level switch is designed for external clamping on wall of the pipe or vessel, making it ideal for applications where avoiding contact is of critical importance. It operates by using piezo-electronic transducer to generate ultrasound and advanced electronics to differentiate between wet, dry and fault conditions, in order to determine the missing amount of liquid, making it ideal for tanks or pipes with up to 50 mm thick steel, plastic or glass walls. It features dual wires, 24Vdc operation with an adequate current sensor, as well as a relay switch output. In order to avoid problems and achieve best performance, the surface of the tank has to be correctly prepared. This unit is commonly used in applications such as: tank high / low level alarm, non contact level switch, overfill procedure, pump run dry protection, etc.