Nico 120 Level Measurement

Preferred Communication Method



The Nico 120 radar sensor has been designed to continuously measure the level of dust, powders or granules in storage vessels. It can be used on a wide range of different materials having varying particle sizes and compositions. The measurement is unaffected by dusty atmospheres, obstructions or temperature variations.

The Nico 120 measuring range is 120 metres. The good signal focus ensures that vessel fittings and encrustations on the walls does not affect the measurement.


Extremely short microwave pulses are transmitted via the antenna system, to the material to be measured, the pulses are reflected by the surface of the material, and received back to the antenna system.

The time taken between the transmission of the pulses and receiving the pulses, is proportional to the level in the vessel. Thanks to the very good signal focusing a simple setup and reliable measurement is ensured.

Because the pulses are travelling so fast, and difficult to process, a procedure is adopted to allow for the processing of the pulses. The pulses are transmitted in the K-band frequency range, where its usage is time proven.

The transmitted power is well below the IEC specifications. There is no need to calibrate the vessel whether empty or full.


• Measurements with flange installation

The Nico 120 is supplied with a DN 80 flange, which is installed on the vessel using an identical flange.

• Measurements using the pivot-mounted bracket

If it is not possible to install the sensor in the centre of the silo, it can be directed towards the centre using an optional pivot-mounted bracket. The illustration below provides a simple overview of how to determine the required angle.

• Measurements with installation arm

The installation arm allows the sensors to be installed easily on the silo wall or roof. This is a very simple and effective method to direct the sensor towards the surface of the bulk goods, particularly for open silos.

Additional Information

Weight 3.8 kg

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