OGA Insights

In radiometric, i.e. radiation-based, level measurement, a slightly radioactive isotope emits focused gamma rays. The sensor, which is mounted on the opposite side of the vessel, receives this radiation. Since gamma rays are attenuated when penetrating matter, the sensor can calculate level, point level, density or mass flow from the intensity of the incoming radiation. Radiometric sensors are used for continuous level and point-level monitoring in the most difficult solids and liquids applications. The reason for this is nuclear gauges provide a non-contact measurement that delivers accurate readings without touching the process material, so there is no chance of damaging