Guided Wave Radar Level Transmitter (NGM)

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Guided Wave Radar Level Transmitter (NGM)

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The NGM is a level sensor that uses TDR technology (time domain reflectometry) which is Guide Mircowave or Guided Wave Radar. This means that low-energy and high frequency electromagnetic impulses, generated by the sensor's circuitry, and are propagated along the probe which is immersed in the liquid or solid to be measured


  • Level measurement independent of pressure, temperature, humidity, conductivity
  • Suitable for almost all media, liquids and light solids
  • Fully modular probe design, i.e the probe types are interchangeable without any special tools or welding
  • Complete galvanic insulation of device electronics from its inputs/outputs and the tank potential (no problems with electrochemical corrosion protection)
  • Highly robust measurement due to 4-wire design and innovative signal analysis and disturbance signal suppression

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