Radar sensor Vegapuls C21 with connector

Non-contact level measurement with the Radar sensor Vegapuls C21

The VEGAPULS C21 sensor can only be ordered in combination with a myDatalogEx can be ordered and is ideal for non-contact level measurement in simple applications where a high degree of protection is required. It is particularly suitable for use in water treatment, in pump stations as well as rain overflow basins, for flow measurement in open channels and level monitoring. In bulk materials, the sensors are used in small bulk silos or open containers.

Product features

  • Non-contact level measurement
  • Axial cable outlet
  • Measuring range up to 15 m
  • Accuracy ±2 mm
  • Ex certification


Scope of delivery:

  • Vegapuls C21 with cable plug 7-polig für myDatalogEx mounted
  • Locknut 2.10371
  • Mounting braket with adjustable sensor holder

Radar sensor in comparison

  • Non-contact level measurement
  • No cables at the measuring point
  • Measuring range up to 5 m
  • Accuracy ±2 mm
  • ATEX Zone 1


To the radar sensor

Product configurator

With the help of the runtime calculator, you can estimate the autonomous runtime of the application as well as the costs incurred. The actual costs and energy consumption depend on the measurement conditions, such as the reception quality and ambient temperature. Detailed information on the tariffs can be found here.

Technical data

Non-contact level measurement with the Radar sensor Vegapuls C21
Item no. 301233
Ex certification ATEX/IEC/c-FM-us/c-CSA-us
Gas, intrinsic safety, zone 0, 0/1, 1, 2 (Class I Division 1, 2)
Dust, intrinsic safety, zone 20, 20/21, 21, 22 (Class II, III Division 1, 2)
Thread process side/cable side Thread G1½/G1
Electronics Two-wire 4 … 20 mA/HART
Sensor adjustment via smartphone and VEGA Tools-App
Mounting braket with adjustable sensor holder Sensor connection: 1″ suitable for VEGAPULS C 21
Lenght to sensor centre: 200 mm (7.87 inch)
Cable material/length PUR/5m (ca. 16ft)
Name Hardware Version Document Category Revision
Proof of intrinsic safety Radar sensor Vegapuls C21/C22/C23 for myDatalogEx from Hw 2.0 Proof of intrinsic safety 01v003

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Stefan Pfeffer

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