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Radiometric level and
density measurement
Gamma Source FSG61

Gamma radiation source (60Co) for radiometric level, point level, density and interface measurement

  • Gamma Source FSG61 ©Endress+Hauser
  • Gamma Source FSG61 ©Endress+Hauser

The Gamma Source FSG61 is specially suited for level applications with thick tank walls, high pressure or for density applications with big pipe diameters and large density ranges thanks to its high penetration energy.


  • Specially constructed source capsule conforms to strictest safety requirements:
    Typically class C66646 to ISO 2919

  • Point source in special source container ensures simple handling and easy installation

  • Choice of activity ensures optimized dosage for your application

  • High penetration energy even for extreme applications

Field of application

Radioactive isotopes are used as gamma radiation sources for continuous level, density and interface measurement as well as for point level detection. The radioactive source is mounted in a special source container which affords the necessary protection while providing a defined, practically unattenuated, narrow beam in one direction only.

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2350 Endress Place Greenwood , IN 46143 United States
Tel.: 888-363-7377
Fax: 317-535-8498
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