Radar level sensor VP31

Type VP31

Compact radar sensor for continuous level measurement


Application Area

4 ... 20 mA/HART output, measuring range up to 15 m, accuracy ±2 mm, Ex approval, on-site display and 3-button operation

Radar level sensor VP31 is the ideal sensor for non-contact level measurement of liquids and bulk solids in simple applications.


It is particularly suitable for use in water treatment, storage tanks with acids, lyes and additives in all industrial areas, or for measuring levels in plastic tanks from the outside through the tank wall. In bulk solids the sensors are used in small bulk solids silos or open containers.


 Your benefit

  • Exact measurement results independent of medium properties and process conditions
  • On-site display for easy level control
  • Maintenance-free operation due to non-contact 80 GHz radar technology


Suitable accessories

  • Mounting bracket with adjustable sensor holder
  • Mounting angle with adjustable bracket
  • Universal flange for VEGAPULS BASIC line


Specifications Technique
Measuring range - Distance 15 m
Process temperature -40...80 °C
Process pressure -1...3 bar
Accuracy ± 2 mm

80 GHz

Beam angle
Materials, wetted parts PVDF
Threaded connection G1½, 1½ NPT, R1½
Seal material FKM
Housing material


Protection rating IP66/IP67, Type 4X
Output 4...20 mA/HART
Ambient temperature -40...70 °C


  • ATEX/Europe
  • EAC (GOST)/Russia
  • IEC/worldwide
  • NEPSI/China
  • INMETRO/Brazil
  • CCOE/India
  • KTL Korea
  • CSA/USA and Canada
  • TIIS/Japan
  • IA
Explosion protection Intrinsic safety "i"
  • FDA
  • Drinking water
  • EG1935/2004
Ship approval
  • ABS
  • BV
  • CCS
  • DNV
  • GL
  • LR
  • NK
  • RINA
Overfill protection
  • WHG


Display & adjustment  
  • PC, PACTware and DTM
  • Smartphone / Tablet / PC via Bluetooth
Indication Display/adjustment module

Compact Radar Sensor For Continuous Level Measurement 1