https://www.endress.com/en/field-instruments-overview/level-measurement/Radiometric-Gamma-Source-FSG61?leadsource=sponsored-content-3rd-party
Radiometric measurement - 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...
gamma sourceradiometricmeasurementendresshauser
https://www.endress.com/en/field-instruments-overview/level-measurement/Radiometric-Gamma-Source-FSG60?leadsource=sponsored-content-3rd-party
Radiometric measurement - Gamma Source FSG60 | Endress+Hauser
The Gamma Source FSG60 has a very long lifetime thanks to its long half-life time. Common used standard isotope in the industrial process measurement.
gamma sourceradiometricmeasurementendresshauser